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PowerCurve’s Data-Driven Approach to Blade Analysis

Nicholas Gaudern, CTO at PowerCurve, discusses the growing focus on data-driven insights in wind turbine operations, emphasizing the importance of laser scans, digital twins, and aerodynamic add-ons for enhancing efficiency and performance.

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Allen Hall: Nicholas, welcome back to the podcast. Hi. Thanks Allen. Good to see you again. There’s a lot going on in wind right now. Obviously the elections that happy the United States are changing the way that a lot of US based operators are thinking about their turbines and, and particularly their blades.

I’ve noticed over the last, even just couple of weeks that. Operators and the engineers are paying more attention to what they’re actually getting on site.

Nicholas Gaudern: Yes.

Allen Hall: Instead of, uh, the sort of the full service agreement where, hey, they’re under warranty for two years, I don’t really need to do anything for a little while approach.

That’s changing into, I want to know what arrives on site, what am I getting and what problems are there with these particular blades that I may not know about because they’re new to me. Even though these blades, there may be thousands of these blades out in service. Mm-hmm. Me, my company doesn’t know.

Yep. How they operate. How they perform, particularly at this, this new site, I’m Repowering or, [00:01:00] or building new. That is a complete shift. From where it was a year ago, two years ago, five years ago. Yeah. And I think the biggest performance piece that people are looking at is aerodynamics, and I’m trying to understand how these blades perform, how they move.

Yes. What kind of loads there are, what kind I expect over the next year or two. And I think they’re just becoming now aware of maybe I need to have a game plan.

Nicholas Gaudern: Mm-hmm.

Allen Hall: And I, and that’s where power curve comes in, is like in the sense of have a king plan. Understand what these plates are all about. Yeah, yeah.

And try to characterize ’em early rather than later.

Nicholas Gaudern: Yeah, exactly. I think there’s been an increased focus on, on data and for operators, as you say, to understand more what they’re getting and not necessarily relying on just what they’re told. So, uh, I think a nice case study of that is last year we were helping a customer to build a, a digital twin.

Uh, of one of their turbine models that they, that they purchased. So what that involved [00:02:00] is, uh, going to site, doing a laser scan of a blade, understanding geometry, helping them to build up some aerodynamic and structural models of that blade. So then that customer was going to build an AEL model themselves of that turbine so that they could run load calculations.

They could look at, uh, site specific, uh, changes that could be relevant to that turbine’s configuration or how they operated it. And this isn’t really something that you saw a lot of, uh, a few years ago, but I think it’s great that operators, particularly when they have a larger engineering capacity, are starting to get into that game.

Uh, and it’s tough because it’s a lot of what the OEMs do, it’s their kind of specialist knowledge, but there’s a lot of smart people out there. Uh, there’s a lot of companies you can work with to help gather that data and build these products up.

Allen Hall: The OEMs right now are. Lowering the number of engineers.

Nicholas Gaudern: Mm-hmm.

Allen Hall: Staff reductions. Yeah. Uh, so getting a hold of somebody on the engineering staff, particularly with aerodynamics, can be quite hard. Yes. And in fact, I’ve talked to [00:03:00] some smaller operators that can’t get access to those people at all.

Nicholas Gaudern: No, no. We, we get told that a lot that, um, there’s, there’s customers calling OEMs and they, yeah.

They can’t, they can’t speak to anyone who really understands that the issues that they’re facing. But free now we, we have contact with a lot of OEMs. I would say that we have more aerodynamicists and power curve than some OEMs have now. Oh, that’s true. And that’s quite, that’s true. Surprising. You know.

Um, so it does mean that I think from a customer support perspective, it is harder for the OEMs to take on some of those really detailed or nuanced questions that an operator may have.

Allen Hall: Right. Operators are getting smarter.

Nicholas Gaudern: Yep.

Allen Hall: And asking more pointed questions, not generic questions anymore. Uh, we’ve had, uh, junker on the podcast and I, when I ran into her last summer, she was basically saying that like you, you’re talking to operators now that are getting smarter about what they’re doing.

Yes. They’re asking more pointed questions. The OEMs can’t respond. So now what do you do? Yeah, that’s, that’s the Global Blade Group.

Nicholas Gaudern: Yeah, exactly.

Allen Hall: [00:04:00] Perspective, right? Where everybody’s starting to pool the resources together. I think that’s an

Nicholas Gaudern: absolutely great initiative. I mean, it’s something that’s been going along in various forms for a few years now, but um, now big it has joined Stack rt.

It’s kind of been relaunched in, in this new form that you were discussing with us. So, um, we are really excited to be part of that, I think kind of the way, uh. Our role sits within the group. We’re still working on, on the details, but we’re definitely gonna be part of that group in helping to, to share knowledge.

So the aim is that we will help, uh, educate basically to, to raise discussion points, to, to lead forums with operators about how they can understand their aerodynamics better, how they can ask more relevant questions of the OEM. So I think that’s what a lot this is about, just asking the right questions.

I think sometimes operators can feel a little bit, uh, blind. Uh, as to the best way to navigate a problem, but by knowledge sharing within the Blades group with other forums, um, I think that’s gonna make that a lot easier for everyone.

Allen Hall: And you’ve been tapped as [00:05:00] the lead of the aerodynamics group within the Global Blade

Nicholas Gaudern: Group?

Yes. Yep, yep, that’s, that’s correct. Um, we haven’t had a, a kickoff yet as such, but that will hopefully happen in the next couple of months. But yeah, the idea is that power curve will kind of. Lead that knowledge sharing around the aerodynamic subject.

Allen Hall: Yes. So if you haven’t joined the Global Blade Group, it’s free.

Yep. If you work for an operator, you can just join it and you should. So get somebody on your staff to sign up to get ahold of Burger and get going with that, because then you can tap into all the resources that they have. Them being, uh, the most recent one is the leading edge protection campaign that was just summarized, uh, a couple of weeks ago.

So that data set is out there and you want to have access to that. Mm-hmm. But I think more importantly, as the group goes forward now and has been emboldened again, the aerodynamic piece is the missing link for most operators. Yeah, it is.

Nicholas Gaudern: And it’s, it’s often an area that is, um, hasn’t had as much attention historically.

Uh, there’s just not so many engineers out there with that background. You know, it’s, um, [00:06:00] I wouldn’t say it’s any more or less hard than lots of other of the complex subjects within a wind turbine. There’s just, there’s fewer people, uh, who, who know the same, uh, level of, um, stuff.

Allen Hall: Yeah. And there’re being, those resources are being, uh, taxed quite heavily at the minute, uh, with all the activity it happen in the OEMs.

Now, as operators, uh, start to receive newer blades and you see. OEMs obviously moving to bigger turbines and to specific models, so there’s actually fewer varieties of blades than there were a couple years ago, but there’s still quite a number of blades out there. Mm-hmm, mm-hmm. So you, you’re going to get generally a more generic blade type at your specific wind site?

Nicholas Gaudern: Yeah, quite possibly.

Allen Hall: Yeah. I, I think especially ge renova is, is gonna be driving down to a, a limited set of blades and a limited set of turbines. So they’re gonna be trying to apply that turbine. More globally than they have in the past, instead of tailoring a specific set of blades vest is, it’s gonna do something very similar, I think.

Mm-hmm. Uh, and in that mode, [00:07:00] if you’re an operator and you’re receiving these blades, you don’t really understand what’s about to happen unless you do your homework ahead of time. And I think that’s where the opportunity lies today to do something really inexpensive and smart up front. To understand what’s likely to happen.

Yeah.

Nicholas Gaudern: Yeah, exactly. And I think that all starts with, um, as we talked about, gathering good data, whether that be a laser scan or detailed photographs or measurements or NDT, uh, putting some sensors in the blade, some CMS equipment. I think all of that stuff to help really build up that knowledge base early.

To help start planning for future o and m, uh, operations? Yeah,

Allen Hall: so the simple one as blades come on site is to do a laser scan.

Nicholas Gaudern: Mm. Yep. And that takes how long? A few hours. And, and it’s much easier on the ground than it is a tower as well. And then you can use that full kinds of things. Yes. It’s very useful to do aerodynamic studies on.

But then, uh, other stuff that might not seem so [00:08:00] exciting, but is super important. How do you move blades around a, uh, handling yard if you have a CAD model that’s much easier to plan? How do you, uh, look at a new stacking frame or a, a lifting device that you might need to purchase? Well, it all comes back to having that initial data.

And I think what we see, uh, at Power Curve is there’s a huge variety of aerodynamic upgrades that are shipped with blades. And even though, um. Two customers might buy the same blade. They might not necessarily have the same upgrade pack on from the, uh, from the OEM. So really understanding what’s in your fleet from the start.

Where are those VGs? Where are the serrations, where are the spoilers? That’s critical going forward to understand how to manage those blades. And we talk to a lot of operators, uh, about VGs and other upgrades. It’s, uh, surprising to us how few know what is on their blades. They just don’t know. They don’t have that information.

They just arrive. Yeah. So, so what happens if some of those add-ons need replacing? What happens if you are missing [00:09:00] potential? Well, you don’t have a good data set to go back to, to really understand the problem. So yeah, we’d really encourage that from the get go to, to document that.

Allen Hall: The, the discussion I’ve seen at operators about trying to get a blade model out of the OEM goes like this, Hey, OEM, uh.

I would like to have the blade model so I can do some analysis and we can operate this thing once it comes off warranty, obviously. And the OM says no.

Nicholas Gaudern: Hmm.

Allen Hall: All right. Well, can I scan it? Yeah, yeah, yeah. Okay. Well, you own the blade at the end of the day. I own the blade so I I can scan it all day. Yeah. But they will not give you the model, but you can scan it.

And scanning’s not expensive. I get it. If they sent you the model, it’d be less expensive. Yeah. But that’s not going to happen. And you can’t even contractually get it because it’s ip. Yeah. Even though you can go scan the same blade.

Nicholas Gaudern: Yeah.

Allen Hall: It doesn’t make any sense why you’re not scanning the blade at this point.

It’s so easy. Five years ago. Yes. Difficult

Nicholas Gaudern: today. Simple. Yeah. The scanning process [00:10:00] itself, I think where the real, uh, complexity comes in is then how do you convert that scan? Into a usable CAD model. I think that’s where the, the experience and um, and the skill of a, a good CAD engineer is really important.

So within, uh, power curve, we’ve been drawing blades for years and years and years now. So 30, 40 different blades we’ve scan, we’ve drawn, we’ve analyzed, and um, even the best laser scan may still have a few question marks around how you should interpret the data. So I’d encourage you that if you are going to go down that path.

Then, then call someone who’s done it a few times before and, and understand what’s going on.

Allen Hall: And then getting the details about the aerodynamic upgrades. I’ll call them quote unquote upgrades because sometimes I wonder if there are upgrades or not. Yeah. Uh, especially VGs getting those identified. It’s exactly where they are on the blade matters.

Trailing ulcerations, the kind of trailing ulceration you have, the sizes of them because they all vary in size [00:11:00] as you go up and down the blade, knowing where those are exactly out on the blade. And to me, when I see a variety of blade, a variety of blades made the same blade model, same blade revision.

Yep. But you start looking at ’em and you see those manufacturing tolerances move around quite a bit. It makes sense not to scan just one blade, but I’m probably gonna scan a variety of blades once they come outside. Yeah. Maybe they,

Nicholas Gaudern: maybe the OEM changes the philosophy about what they wanna do and I think with add-ons, um, there is a lot of, um, design philosophy involved.

With aerodynamics, as with lots of other disciplines, there’s a few ways you can skin the cat, right? There’s different ways that you can have a very similar effect with different products or different configurations, and I think you see that with aerodynamic upgrades quite clearly. So from some manufacturers we see, they’ll ship blades with bgs almost from root to tip.

From from the get go. You’ll see some OEMs that just have them in the route. You’ll have some that have none at all, and that that is still quite surprising, I think, because. Vortex [00:12:00] generators, particularly down in the root region of a blade to me, are, are kind of obvious now they’re proven. Uh, there’s a big stall zone in the root of the blade.

A VG array will help reduce that level of stall. Now you still have to engineer that solution. So perhaps one of the reason we don’t see all blades with them is the OEM didn’t have the capacity to engineer that solution because they didn’t have enough aerodynamics. Or they were too busy working on the next blade or whatever.

But that doesn’t mean that you can’t benefit from those products being there. So this is why it’s important to, to understand what you’re getting and to ask the questions, well, why, why doesn’t the root of my blade have VGs on? Have you done a calculation that shows that they didn’t work? Uh, and if you didn’t, well maybe, maybe you could, or maybe you could talk to someone else.

Um,

Allen Hall: yeah, because you do see the offerings today. And the two obvious ones we see mostly in the states, particularly with VGs and add-ons, is Siemens VGs and trailing inspirations are everywhere. Yeah, all [00:13:00] over those blades.

Nicholas Gaudern: I think Siemens have been for a long time now, uh, very keen on add-ons. And I like that philosophy personally.

I, I think there’s, there’s a school of thought that says if you put an add-on on a blade, you’ve kind of, you’ve kind of failed. You know, you should have addressed in the design that problem, and therefore you don’t need to put an add-on on, but I would make an argument that there are so many things that an add-on product can do that are incredibly hard to achieve in a molded, uh, product.

So even if you think you could include everything in the mold, maybe the cost or the complexity of doing that. Is much harder than just sticking something on afterwards. So I, I don’t think there should be any discussion around it being like a bandaid or a cheat or a fix, or there should be an integrated part of a design process.

A VG will give you more stall margin. So if you design with VGs, maybe you can design your blade, uh, twist distribution a little bit differently. Uh, if you integrate serrations into your design [00:14:00] process, maybe you can change the type of error fo you use or the tip speed ratio that you run at, because the serrations can help reduce the noise.

So if you’re considering all of that from the get go, there’s a lot of power in these devices that are, as I say, are very difficult to achieve in just, uh, out of the mold product. Um, I, I think a lot of operators

Allen Hall: don’t realize how much impact those little plastic devices. Yeah. Can have on, on power production and which is revenue.

Yes. Straight revenue. That’s all that it is. Exactly. And they sort of discount them on some level because they made out of plastic. I don’t know why that is. It’s the, all the engineering and the literally thousands of hours of engineering and being in the wind tunnel, which is super expensive. Yes. To go figure these things out because you can’t calculate them with excel.

No, it’s, it’s way more complicated of a problem than that. You need,

Nicholas Gaudern: you need some higher fidelity tools. And again, I think that’s why there’s been, uh, differing levels of uptake among the OEMs, among different operators because it does require some, [00:15:00] some hard calculations to be done. Maybe some full rotor CFD calculations, but that is all within the grass.

Of what you can do quite economically today. You know, huge increases in computing, power cloud computing services. You can do this stuff

Allen Hall: Well. That’s the thing that I bring up to the operators quite often is I said, you use Chap GPT, right? Yeah. Yeah. And they go, well, yeah, yeah. Well, you realize the amount of compute power that exists behind those, that amount of compute that’s being built today is also gonna do CFD.

Yes. Is also gonna do all those complicated aerodynamic problems and solution sets. That we weren’t really able to do 10 years ago will be instantaneous to us in a couple of months. Yeah,

Nicholas Gaudern: I mean, we work with a, a cloud computing, uh, service, uh, at North. So they’re, they’ve been our cloud computing provider for, for a number of years now to run CFD on.

They’re just building some new data centers now in Denmark, and I believe they said one of them had a rate of power of 250 megawatts.

Allen Hall: Right. [00:16:00] Yeah. They’re having

Nicholas Gaudern: to build, imagine the, imagine the computing power behind 250 megawatts. Right?

Allen Hall: Because as GE Renova has mentioned in a couple of their more recent public, uh, notices, is that gas turbines are a big business for GE Renova for data centers.

Nicholas Gaudern: Yeah.

Allen Hall: And how much data center can you build in a year? Well, evidently about 20 gigawatts worth. Yeah. Quite a lot. Yeah. That’s a lot of compute power. Way more than the planet has ever had before. Yeah.

Nicholas Gaudern: So I think there’s, there’s some, I mean. The work we do, we think we’re quite innovative. We think we’re kind of, uh, leading the way in, in some fields, but we have to be very careful to, to stay on the train because very soon, uh, the computing power that’s gonna be available.

Might blow some of the stuff we are doing now out of the water. Sure will. So we, you know, we need to keep our eye on this fidelity. Yeah. The Fidelity’s gonna go

Allen Hall: way up, but the engineering that goes behind it still has to be there because garbage N equals garbage out. Exactly. You, you have to have people with

Nicholas Gaudern: the experience and the knowledge and the fundamentals because [00:17:00] even with things like vortex generators, there’s so many different ways you can use them.

And I think the two, the two biggest ways, uh, you know, going back to that comment about Blaze being shipped with VGs from root to tip. If you have VGs in the root, they’re fundamentally addressing stall from thick aerofoils. If they’re towards the tip, it’s more about robustness of the power curve, so helping the turbine deal with sub, uh, standard surface conditions, whether that be dirt, bugs, ice, fungus, erosion, whatever.

So even though you may be able to compute all this stuff, some of these fundamental nuggets of knowledge about how these add-ons should work or could work. It’s critical to help set up the problem. And, um, that’s, that’s where we come in hopefully.

Allen Hall: Well, let’s talk leading edge for a minute, just because there’s been a lot of data.

The Global Blade Group has published some five year study from a variety of operators that are trying different kinds of coatings and solutions. One of the things that I get asked weirdly enough is how much can I [00:18:00] possibly lose in a EP due to leading edge? And the numbers that are thrown at me are crazy.

Yes, people will tell me they’re losing 10%. There is no way you’re losing 10%. And

Nicholas Gaudern: that’s, that’s because they’re not using an engineering driven approach. Right. So we’ve, we’ve talked about data capture and, and sensible engineering. It applies to everything. And I think leading edge erosion is an example of something that just has too many reckons involved.

Well, you can actually work it out. Um, you can go to a wind tunnel, you can do CFD simulation, you can do our elastic simulations, and you can come up with a much more, uh, engineering driven and consistent, uh, loss number. So something that we’ve been working on for a long time now in power covers. How do you understand those losses?

And, uh, a year or two ago, we launched our ERA Vista tool, and that is. Uh, designed to take data from the field that real data we’ve been talking about, and combine it with the best engineering knowledge we can [00:19:00] to come up with that loss number. So, uh, a real blade model taken from a real laser scan, CFD simulation, scarda data, coupled into a, uh, a model of a turbine in, uh, in a blade element momentum form.

That is how the turbine would’ve been designed in the first place. So kinda this consistent tool chain. And what we find with leading a ros after analyzing a couple of thousand turbines now with a vista is losses one and a half, 2%. Something in that that’s, that’s a bit more realistic as a loss number.

Those are still significant numbers, but that’s, you should be worried about that number should. You don’t need to have it at 10% to be worried. No 1% on a big turbine is plenty enough to worry about. Right. Especially when you have a hundred of them. Yeah. So, so we don’t need the scaremongering, you just need that consistency and that, um, and that focus on what, what is actually happening and, and can I justify it?

So

Allen Hall: this goes back to a discussion you and I had a, a couple of months ago [00:20:00] about the spreadsheet that’s being shared around that was created at a university that supposedly. Tells us what the, the a EP loss is in an Excel like form. Yeah. That is being used so incorrectly right now.

Nicholas Gaudern: Uh, and it is like any tool, if you, if you use it in a smart way, then maybe you can get a sense of answer.

But trying to do something consistently and to see any kind of real difference between turbine models will be. Very challenging. Yes. Um, so what I like about some of these simple tools is it can help put you in a ballpark, right? That stops us having these silly conversations about 10% losses or 0% losses.

You know, it helps to kind of narrow the band, but if you then want to really understand, uh, what the answer is, much, much closer to reality. Then you have to have the blade data. Yes. Because every blade is different. Every turbine model is different. [00:21:00] You can’t have that generic setup if you want to have that, that subtlety so you can actually spend your money wisely.

Allen Hall: That’s the problem is that that tool’s being used sort of globally across a farm and everybody that’s involved on the engineering side and particularly on the finance side of the operators realizes I’m probably not gonna fix all of these. Yeah. Turbines. A hundred turbine farm, very common in the United States.

200, 300 plus. Now I need to know what turbines I need to go after based on real data. If I have a hundred turbine farm, I really want to pick out the 20 turbines that I’m gonna go put. Leaning as protection on. Yeah. I need to know that, but only when I really know it is to run it through Arab Vista.

And then it does give me the Yeah. The top 20

Nicholas Gaudern: EE Exactly. And that, and that’s exactly what it’s designed to do, to take, to give confident analysis that you can then base business decisions on. Yeah. Um, because there’s a lot of operators out there who would love to optimize how [00:22:00] they’re spending their, their own m budget.

And this tool will allow them to do that. Right. And I,

Allen Hall: I just, I’m starting to see more adoptions at Vista because that accounting

Nicholas Gaudern: Yep. Is starting to take place and then you can start planning for the future as well. Right. So, so let’s say you have five years worth of inspection data that you can run through the system.

You can then see how the AP loss has progressed over five years. Yes. Where’s it going in the future? Uh, maybe I’m finding that my turbines from one OEM are performing way worse than turbines from another OEM. Sure, and that’s just useful information.

Allen Hall: Well, even on the a EP loss from existing leading edge protection systems, some of the more draggy lossy, uh, leading edge protection systems.

Are still being applied today. So as those systems fail, the amount of drag, a lawsuit that is created when the system eventually wear out is way more than just leaving the, the turbine alone, honestly. Yeah. So it’s not, you [00:23:00] need to think of it as a, a, a larger problem. You

Nicholas Gaudern: have, you have to take that system level approach for sure.

Right? You need to think

Allen Hall: about, yes. Okay. Then my blade has say it’s 1% right now I’m gonna put this coating on, but the coating’s gonna last three years roughly generally. What happens at year three? Well, I’m gonna have a 3% loss break.

Nicholas Gaudern: Yeah. May maybe the l break in some, in some cases might make the situation worse.

Right. So, you know, it’s about just choosing the right, the right tool for the problem, isn’t it? It is. When should I put, uh, protection on? When should I not, when should I clean a blade? When should I not? When should I apply VGs? When should I not? But unless you have the data coming in and you have that, uh, setup that we’ve been talking about earlier in the, in the discussion here, that’s really hard to do.

It is. So it’s,

Allen Hall: it’s really hard to do. And even the discussion about leading edge protection, the, the, the issue I have with a lot of them is that they do leave a significant lip Yeah. Right. In a croker area.

Nicholas Gaudern: Yeah.

Allen Hall: Some of [00:24:00] the providers of those systems are, are like, well, it doesn’t really make that much difference.

And they don’t have any aerodynamic data. And I’ve talked to a person that doesn’t know that much about aerodynamics obviously. ’cause there’s only a few handful of people mm-hmm In wind that know that much, but. I think, okay, yes, you’re gonna recover the 1% a EP loss that the blade roughness did have, but you’re not really recovering all that.

No, not necessarily necessarily what a vista will help also tell you, it helps, it

Nicholas Gaudern: helps make a good decision around that,

Allen Hall: right? So you may have a, a preferred LEP solution, but if it really doesn’t change your a EP, then what are we doing?

Nicholas Gaudern: Yeah, exactly. And perhaps the structural implications weren’t that big on that turbine.

Right. So, so yeah, again, having that balance of the structural risk, the aerodynamic risk, I think, um, as you start gathering more and more inspection data as operators are having now that kind of risk, a score based approach where you’re bringing together structural risk, aerodynamic risk, financial risk, um, [00:25:00] and bringing all those things together, that’s, that’s where the money lies.

Allen Hall: The industry is getting smarter. About the way they spend money, which once interest rates went up and they know filter tower on the program. Every episode talks about interest rates and what effect it as. Yes, it does have an effect, but on an engineering group it has a really significant effect because you need to have a better model.

You need to have a better approach. You just don’t throw money at these problems anymore. You need to have an ROI based solution. That’s where Aero Vista comes in. That’s a real solution that’s been validated and has proven itself, and it’s gonna get you to the proper solution, the most cost efficient solution, the fastest way.

I haven’t seen a product out there, and I’ve been around quite a bit. I haven’t seen another product that even approaches that. No, no,

Nicholas Gaudern: I’m, I’m,

Allen Hall: I’m glad to

Nicholas Gaudern: hear

Allen Hall: that one. And it’s not gonna be on the spreadsheet, so if you’re working on a spreadsheet today, stop, pick up the phone, get on the internet. [00:26:00] Look up power curve.

They’re based in Denmark, but they’re worldwide. You guys are everywhere right now and start talking about cost effective solutions. Yes. Start looking at how to spend your money more wisely.

Nicholas Gaudern: Exactly. Exactly.

Allen Hall: Now’s the time to do that. How do people get ahold of you, Nicholas? How do I get people get ahold of power crew.

Nicholas Gaudern: So they can check at our website. That’s, that’s power curve. Uh, dk, we have all our contact details on there. You can look up myself, uh, on LinkedIn. Also our CEO, Neil’s Business Development. Emil, we’re all on LinkedIn. You can reach out there through the website. Yeah, we’d love to talk to you.

Allen Hall: Absolutely. So this year is the year to get your a EP figured out and to get all your add-ons figured out and to get your LEP approach, uh, aligned with the cost.

And I, I think this is the time that Power Curve will be in the lead of this. And hopefully your phone starts ringing a little bit more because we, we’d love to help them do [00:27:00] that. Absolutely. Because I do, I think there’s so much opportunity for operators to save money Yes. And, and to have more production.

Yep. Which is what we need. We need the industry, particularly the United States, need to be able to prove itself more than ever.

Nicholas Gaudern: Yeah. Just use, use the data, use the expertise that’s out there and Uh, absolutely. And uh, yeah, give us a call. Nicholas, thanks for being back on the podcast. It’s been great.

Thanks, Allen.

https://weatherguardwind.com/powercurve-data-driven/

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Do Social Democracies Commit Genocide on Their People?

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Re: the meme here that a reader sent me, I’m not sure this is fair.

What social democrats are proposing exactly what most of the governments of Western Europe, and many other countries around the globe offer their citizens.

I don’t read too much about genocide in Denmark.  Are they killing each other with pastries?

Do Social Democracies Commit Genocide on Their People?

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Renewable Energy

German Wind Turbine? Let’s Do Some Math

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The turbine presented here has blades that are 0.5 meters in length, and that the average home requires 1.2 KW.

When we plug this into this wind power calculator, we learn that we’ll need an average wind speed of 37 mph.

Since the average wind speed in Germany is 11 mph and power is proportionate to the cube of the wind speed, the average German will need 38 of these to power his house.

German Wind Turbine? Let’s Do Some Math

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Renewable Energy

What Operators Want to Hear at WOMA 2027

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Weather Guard Lightning Tech

What Operators Want to Hear at WOMA 2027

Two days of operator meetings in Melbourne shape the WOMA 2027 agenda, from performance upgrades and cable faults to foundations and bolts.

The Uptime Wind Energy Podcast is brought to you by Weather Guard Lightning Tech, creators of the StrikeTape Ultra LPS retrofit. Subscribe to Uptime’s Substack newsletter. And check out Rosemary’s “Engineering with Rosie” Youtube channel. Have a question we can answer on the show? Email us!

Allen Hall: Welcome to the Uptime Wind Energy podcast. I’m your host, Allen Hall. I’m here with Matthew Stead and Rosemary Barnes. And Rosemary, where are we?

Rosemary Barnes: We’re in Melbourne, and we have been visiting future attendees and sponsors and people interested in, in the event to see what topics that we should be talking about.

What are the hot topics of the moment?

Allen Hall: Which is a very interesting two days, Matthew, in that, uh, we h- did meet with a number of operators based in Australia, but, uh, they’re also very worldly. They have talked to companies all over about operations and, and maintenance, and there are some really eye-opening topics- Mm

that will be- Mm … at WOMA 2027 this year.

Matthew Stead: Yeah. The thing that was interesting for me was [00:01:00]that actually the topics have changed each year. So, um, they’re evolving and the industry’s continuing to, to do better, and so that, that was really interesting. Performance upgrades was probably one of the big areas of, of new interest, I think.

I think we heard with the pressure on pricing, uh, the market and so forth, you know, that, that 1% or 2% now is becoming more important. Um, so I think, uh, upgrades will definitely feature quite a lot. Um, balance of plant was also a big topic. Um, you just can’t ig- ignore the, um, transmission, you can’t ignore the transformers, you can’t ignore, uh, condensers and all these sorts of things, so yeah.

Rosemary Barnes: Cables.

Matthew Stead: Cables.

Rosemary Barnes: Terminations. Terminations of cables. Specifically raised several times.

Allen Hall: Yep. Yeah. It’s all about being more efficient, uh, getting more production, and then with the PPA prices, uh, that are changing-

Matthew Stead: Mm …

Allen Hall: rapidly, uh, everybody is paying more attention to the bottom line.

Matthew Stead: Mm, mm.

Allen Hall: Absolutely. There, there’s less cash running around, uh, chasing new development.

It’s [00:02:00] more of a focus on making sure your, at least your existing assets are performing as, as well as they can be- Mm … which then opens up the, uh, Pandora’s box of opportunity. Mm. Because there are 1%’s all around a wind turbine. More specifically, uh, all the drive train issues, the blade issues, the generator issues, and even going into the substation.

Mm. I, I was really shocked on BOP e- the, the one topic that came up, uh, yesterday and today was buried cables. Mm. Like-

Matthew Stead: Faults …

Allen Hall: faults.

Rosemary Barnes: Yeah. Junctions. Finding- Yeah … finding faults and what to do about them. Yeah. Yeah. But I think in addition to just wanting more revenue, I think people have, are getting more sophisticated about what actually matters and then the finances.

You know, everyone’s focused so much on availability, and now people- Mm … are like, okay, yeah, like once you’re at a certain level of availability, gets harder and harder to get more. And actually, you know, not all availability is equal. Is good. It, it [00:03:00] depends. Yeah. Yeah, like you wanna, um, you wanna focus on how much you’re generating at the times when electricity prices are high specifically, which usually means during lower wind speed periods.

Yeah. Which is actually good because that matches really well with what is actually possible. It’s, it’s hard to get more power out of the turbine if it’s at, you know, its rated power, then you’re not g- More efficiency is not gonna get you any more, um, power output, whereas lower in the power curve- Mm … um, when wind speeds are lower, there’s less electricity in the grid and so prices are higher.

And so- Mm … yeah, I mean, that’s, that’s why people are really asking to know more about what efficiency upgrades are possible, better ways to operate, scheduled maintenance, um, all those sorts of things. Mm. So that will be really interesting.

Matthew Stead: Raising the bar on sophistication. Um, but also life extension

Allen Hall: Yes, a lot of discussion about life extension

Rosemary Barnes: Yeah, end of life and life extension End of life Yeah, um-

Matthew Stead: Foundations, structures Which is

Allen Hall: tied to PPA.

Mm. A lot of that [00:04:00] discussion I, at least I looked at it as, uh, if I had a PPA and I can continue with that PPA with an existing turbine, I want to do that. Mm,

Matthew Stead: mm,

Allen Hall: mm. But how do I do that and how do I know that that existing turbine can last another five years? It seemed to go in five-year blocks, like can we get to another five years and then another and then, then another.

Wow.

Rosemary Barnes: Yeah. Once you get to 20, 20, 25 years, I think people like, uh, they, you know- It’s getting a little- Their original agreement might have been for 20, then they kind of just assume that there will be another five, and then after that they’re- Yeah … kind of reassessing cyclically and yeah, I know that people make plans for, you know, what components are replaceable, what would they have to get in, and I think that sometimes, uh, people doing those plans aren’t as familiar with the, you know, actual technical issues that are being faced.

Like, is a blade a replaceable component? It may be early on in the life it sort of is, not easily, but you know, like a 25-year-old wind turbine, you know, good luck trying to order 10 new blades because you’ve got a, you know, an issue that’s-

Allen Hall: Oh, well you, you need to read the news. Did you [00:05:00] see the news today about, uh, the, the wooden wind turbine blades as a replacement for aged blades?

That, that’s happening- … in real time, Rosa.

Rosemary Barnes: Okay. I know they- Yeah. Yep, yep. Okay. Okay. So that, that’s, that’s good. Making carbon new blade. E- even so, I don’t think that they’re- Okay. … gonna be, like, super-duper cheap, so you’re still gonna wanna be, um, doing a trade-off between y- you know, like, what kind of repairs.

You might be able to change the way you’re operating to reduce loads. Um, you might be able to monitor to make sure that your blades are safe. You know, if you know that there’s an issue, um, you just wanna get some advanced warning before blades start falling off your, your tower. Mm. You know, and then you can push it further.

Yeah. Whereas if you’ve got no information, then you have to be conservative and shut it down. Yeah. So yeah, I think there’s a whole lot that can be g- can be done there in that area.

Matthew Stead: There was a point that came up today, which I think was close to your heart, on, you know, if you’re going to be going for 1% or 2% or 0.5% AEP improvement, how do you actually measure that and how do you set up a proper experiment?

So-

Rosemary Barnes: Yeah …

Matthew Stead: I, I, I love that topic. [00:06:00]

Rosemary Barnes: Yeah. No, it’s one that I, um, yeah, I deal with m- my clients I, I’m often… It’s one of the things that Pablo really loves to do, is to organize trials of that nature of new technologies and see if they work. But, um, yeah, asset managers are usually very, uh, focused on fast results.

You know, they’ve got a, a big problem and they want a solution now, so they wanna just roll out the new technology over an entire wind farm. But if you do that, then it’s almost impossible. Unless you get, like, a huge benefit, like, uh, 10% gains or, you know, like reduce your failures by 50% or more, it’s really hard to actually- Mm

pick that out if you just replace everything. Mm. Whereas if you do a really, really good, um, trial plan- Systematic. Yeah … and you match pairs very well so that you have, you know, a control for each turbine and there’s- so many variables in a wind farm. It’s not, it’s not as easy as just, like, randomly choosing 50% to do and not do.

Mm. Mm. Mm. Like, you have to, you know, put some work into the trial design, and then, you know, like, do your statistical calculations ahead of time to know how long it’s gonna take you to get s- statistical [00:07:00]significance. So then you don’t just have a gut feeling about- Yep … how something went. You’ve actually got numbers, and then you can take those numbers to, you know, other wind farms that you’ve got- Yeah

and, and know what’s going on much better.

Matthew Stead: Worst study is an inconclusive study.

Rosemary Barnes: Yeah. Yeah, that’s true. Definitely.

Allen Hall: Well, that comes back to the data analysis- Mm … which a lot of operators mentioned, and how much data there is and what to do with it, and it did seem like a couple of operators have chosen some AI tools, varying degrees, all the way down from Microsoft Copilot to something much more complicated.

Uh, but I think there’s, uh, getting that d- to the last 1, 2, 3%, you’re going to need those tools- Absolutely … because what do you choose? Do you choose a blade? Do you choose a gearbox? Do you choose a generator? Do you go to the substation to get that percentage point or two Without having some really powerful tools- Mm.

you may be wasting your time [00:08:00] and money.

Matthew Stead: Mm.

Allen Hall: Which is a, a, a very interesting, uh, aspect to wind energy because it’s such an industrial business that, uh, we haven’t used heavy computational tools, uh, un- until really now.

Matthew Stead: Mm.

Allen Hall: And maybe Australia’s at the forefront because of the PPA and negative pricing is that that will, uh, actually lead an industry.

Because I haven’t seen a lot of that being used globally. Mm. So this is the first time an operator- Mm … that I’ve talked to has said, “We’re using it.”

Matthew Stead: Yeah. It’s quite a different discussion, um, I think, you know, this year compared to previous years in that I think in the past it was getting to know what’s possible, but now it’s like real case studies are coming through.

And a few of the people had some really good examples that we can talk about at the conference as to how they’ve actually been helped and how they did this and what the outcome was. I think, yeah, that would be really great content on that.

Rosemary Barnes: Yeah. I think it’s gonna be a good mix of people who have used third party tools and have experience with it, people that are doing it in-house and can share- Mm

some of the kinds of results- Mm … that, that you can get just from analyzing your own- Mm … [00:09:00] SCADA data. Um, people talking about how they get the data that they want. Mm. ‘Cause it’s not always so easy. You would think that, you know, you own a wind turbine, you have a right to have all of the data that comes through it, but it’s not.

Um, even if you do technically have a right, it’s, uh, it, it’s harder to actually get it than you might think. Mm. So yeah, sharing all, all those kinds of things. But I think also, like just as important as talking about the successes is talking about the, the gaps that– people still feel lots of gaps. Like, okay, we’ve got all the data, we’re collecting it.

We know that there’s so much potential here- Mm … but we don’t really- Mm … know what we can do, or it’s hard for us to, you know- Mm … make headway in this particular pain point. And that is really useful for companies that are developing tools to know what are the, the problems. Mm. Because then they can e- you know, they’re well placed to fix them.

Allen Hall: Mm. Which leads to the discussion we had with the operators and, uh, some of the suppliers for WOMA 2027. There’s a lot of interest. And as we’re sitting in the conference rooms, I’m thinking, we may not have enough room to [00:10:00] seat everybody. Uh, the WOMA 2027 website is up and running, and you can register now.

So just go to woma2027.com and get started there. At the same point, we’ve had a lot of contact with, uh, pretty much everybody that wants to sponsor the event, and there’s only a limited number of ways to sponsor. So if you’re interested in doing that, you, you need to go to woma2027.com and look at those, uh, part- particular packages and see what- Mm

fits your, your business. Uh- Going back to some of the, the comments we were just discussing downstairs about what we heard at 2026, like, which is only a couple of months ago, right? It’s back in February this year. Uh, there’s, they’re still discussing what happened at WOMA 2026- Mm. Which was very fascinating- Mm

because I think Rosemary, you and I have been to conferences that I have not thought an iota … about what happened at those conferences. Just nothing interesting does occur. There’s no new, new information, there’s [00:11:00] no new science, there’s no new operator approaches.

Rosemary Barnes: Mm.

Allen Hall: But we’re gonna see a number of those- Yeah.

Mm … come next March.

Rosemary Barnes: Yeah. Well, I think it’s partly because I don’t know what other conference organizers do, but, you know, we’ve had a exhausting few days here. You’ve come all the way from America, obviously, and, and Claire as well, also come over, our producer. Um, so, y- you know, like, we’re working really hard to make sure that the topics…

Like, it’s not an accident that the topics are ones that people are talking about later, because we come here to make sure that we get the right topics. And it’s not just these meetings as well. People get in touch, and- Mm … anybody watching, listening, who has, you know, something that they wanna talk about, then definitely, you know, send us a message, and yeah, we’re working on the agenda.

We’ll, we’ll have a draft agenda in the next couple of weeks based on what we’ve learned here, but then we’ve got the hard job of it’s not just that you have a really interesting topic, you need to have a really great speaker- Yeah … or several really great speakers, usually covering several different aspects of the problem.

You know, maybe it’s, uh, yeah, an asset [00:12:00] owner, an OEM, and some, some technology provider, you know, all together giving different, um, yeah, perspectives. That’s, I think, what makes a really great session. Mm. So yeah, we need the ideas for the sessions, and we also need the ideas for great speakers.

Matthew Stead: Yeah.

Rosemary Barnes: Right.

Matthew Stead: Yeah. I think we’ve, we’ve already matched a few of those dots, so- Yeah … I, we’ve heard people asking for certain topics they wanna hear about, and then we’ve heard other operators saying, “Well, this is what we could talk about.” So I think we’ve already-

Rosemary Barnes: Yeah, yeah … got some great

Matthew Stead: progress.

Rosemary Barnes: It was, it was interesting ’cause we, we built up a list of, you know-

Matthew Stead: Yeah

Rosemary Barnes: frequently raised topics, and then you’d say it to the next person that you went to- Mm … and they’re like, “Oh, that’s not a problem for us because we’ve done X, Y, Z.” And you’re like, “Okay. Well, excellent. You can, you can present the solutions that we know that other people- Yeah. Yes … are, are looking for.” Yeah.

So it has been… Yeah. Yeah. I mean, it’s definitely worthwhile coming, as, as tiring as it is. Yeah. Um, definitely worthwhile, and we’ll get a much better agenda for the- Yeah … for the effort.

Matthew Stead: And I think, I mean, it has been tiring. Um, but what, what made it for me was one of the operators said that [00:13:00] this is the only conference they will go to So I think, I think we’re doing the right thing.

Rosemary Barnes: Yeah. Yeah. I, I think so. I understand too, like, you know, all of us, we kind of are forced to go to events because that’s where our, our clients and customers are, and so you need to see them. And yeah, like I’ve even gone to the extent of some events where I don’t particularly like the event, but I know everyone’s going.

Mm. I just go and sit near the event for a couple of days and meet people at a cafe. So yeah, like we can’t get away from it. But if you’re an asset manager or, um, yeah, somebody in that kind of type of work, like you’ve got better things to do than listen to sales pitches aggressively thrown at you that aren’t relevant- Yeah

to what you’re doing. So, um, yeah. Like I, I definitely love to hear that kind of feedback- Yeah … and wanna make sure that we get it every, every year. Like that’s- It’s, it’s

Matthew Stead: encouraging.

Rosemary Barnes: Yeah … yeah, that’s, that’s the point of the conference, so.

Matthew Stead: Yeah.

Rosemary Barnes: Yeah.

Matthew Stead: The other big topic was we would really love more OEM involvement.

Um-

Rosemary Barnes: Yeah. Everybody wants more- … a lot of the operators- … OEM involvement- Yeah … all of the asset owners.

Matthew Stead: Yeah.

Rosemary Barnes: Like we want to [00:14:00] hear from OEMs more, have them there. Um, so yeah, we’re, we’ll be trying to To get those sorted

Allen Hall: Well, WOMA is a global conference, although it’s Australia-based and there’s a, a number of Australian operators.

There are Danish, Americans, uh, plenty of Europeans. Uh, we’re gonna see some from Southeast Asia, I think, this year. Mm-hmm. And, and Japan hopefully will come. Uh, because it’s a, it’s a global conference, there’s global knowledge- Mm … and wind is such a big industry. You may not have the solution in the United States, it may be sitting in Australia, and we need to exchange those ideas.

Mm. And that, that’s the point. So w- we are continuing to look for those world experts as we have received all the inputs of these are all the topics we wanna go hear about. Great. Now it’s on us three to go find some of those world experts and, and try to get them to Melbourne. Yeah. And I, I think that’s a great opportunity.

So if we do call you and ask you to participate in WOMA [00:15:00] 2027, please take it seriously because- Mm … you will be bombarded with great questions- Mm … and contacts and information. Uh, it’s an event you won’t wanna miss. Yeah. And- But I would- … there’s opportunity there.

Rosemary Barnes: Yeah. I’d say we’re, we’re prioritizing OEMs, um, to, to get more participation, ideally to speak, but at least to be there.

And we have heard from multiple asset owners in Australia that they want, they, they want to know what are some of the upgrades that they can do- Yeah … that you’re offering. They wanna know what’s coming next in terms of technology. They wanna know what are some of the non-Western options. So, you know, like it would be great to get some Chinese wind turbine, um, manufacturers as well.

Like, they want all this information. They don’t want a slick sales brochure pitch that doesn’t give them any technical information. So we’re hopeful that we’ll be able to get, you know, some technical people to speak on, yeah, what are the upgrades you offer and how does it work- Mm-hmm … and show us a case study that demonstrates the improvements.

Um, ’cause that [00:16:00] sometimes is really hard to get out of- Mm … out of OEMs. You know, that, “We’ve got this thing, it’s so amazing, you should get it.” Okay, well, what’s the business case for it? “Oh, well, we don’t have any numbers. Just trust us.”

Matthew Stead: Yeah.

Rosemary Barnes: Um, it’s so common to get a pitch like that. So yeah, any, any OEM that has any- anything like that, either for the next generation of wind turbines or for upgrading the current fleet, yeah, if you’re willing to bring the data, then people, they are desperate to hear this information.

Allen Hall: Mm.

Matthew Stead: Yeah. That came up so many times.

Rosemary Barnes: Mm.

Allen Hall: So what were the other, uh, topics that we’re… I’m just not thinking off the top of my head. I know foundations came up quite a bit- Foundations, yeah … which was an odd one, I think, because we haven’t seen that a lot in Australia. Yeah. But this year, foundations, foundations, foundations.

Basically, the health of foundations. Yeah.

Matthew Stead: Yeah. I think really there was a lifting of the maturity. Um, I think the topics were sort of showing that, you know, Maslow’s hierarchy and moving into the more of optimization rather than making do, and I think life extension around the foundations was a, a really good example of that.

Allen Hall: And bolts.

Matthew Stead: Bolts? Yeah, bolts.

Allen Hall: [00:17:00] Everybody said bolts. Bolts.

Matthew Stead: Bolts.

Allen Hall: You think the world’s simplest device, we’ve been making bolts for nearly 1,000 years or at least a couple hundred. But it does- And, you know- … come up quite often … cable, cable

Matthew Stead: terminations, again, some really

Rosemary Barnes: basic- Yeah, that, really specific ones that were raised multiple times.

Yeah. Um, yeah, which, which is great- Yeah … ’cause it gives us a good direction to go. But I do love how it changes so much every year- Yeah … ’cause it makes me feel like, okay, yeah, like we’re actually, you know, it’s worthwhile, um, putting on another event. Mm. Um, not just recording one event and then just, you know, like replaying that every year or something.

Re-educating.

Allen Hall: Yeah. Well, I, I think there’s a learning exercise that has happened over the past two years where people now are knowledgeable about those things we talked about- Mm … two years ago. Uh, was it, was it even two years ago? It was a year and a half ago when we first started this, so we’re, we’re not that deep into it.

Although our third conference will be next March, uh, you just see more energy, more industry knowledge in some of the references that I heard, uh, in terms of other companies and the approaches they’re taking clearly came from WOMA.

Matthew Stead: Yeah.

Rosemary Barnes: Mm.

Matthew Stead: Yeah,

Allen Hall: yeah. Which is, which is [00:18:00] fascinating. Yeah. That’s

Rosemary Barnes: good. I mean, we want- It, it is

Allen Hall: sticking

Rosemary Barnes: we want tech conferences to get better, right? That was the- No … the reason why we, uh, we started this conference was ’cause we didn’t think that it was sufficient, what we had available. So, you know, it’s not a bad thing if other conferences, um, get better. Yeah. Yeah. We should also mention that blades were, were raised a fair bit.

We talked so much about blades in the previous years, and we will be talking about blades a lot again, including we’ve got a master class on the Friday. Uh, it’s… Yeah, we’ll go back to some of the basics about how the composite materials work and how a blade is designed and certified and manufactured, and, um- Lightning.

Y- yeah, yeah, a little, a little bit about lightning. Um, I don’t wanna cover it too much because we did the master class on lightning- Right … last year. Mm. Um, yeah. And yeah, some of the common damage methods anyway. And of course- Mm … yeah, lightning is probably the most- … common, or I guess leading edge erosion is the most, and then lightning would be the most expensive.

Um, yeah, so we’ll be, we’ll be covering all that and just try and raise the knowledge level a little bit, um, for [00:19:00] everybody to… It’s a very complicated kind of, uh, yeah, component.

Matthew Stead: Yeah.

Rosemary Barnes: Yeah.

Matthew Stead: And workshops. So each year we’ve run sort of workshops or roundtables or whatever, so we’re still thinking about the format for them, but, um, thinking about how we’ll reintroduce them again this year.

You know, specific topics, specific questions, specific answers.

Rosemary Barnes: Mm.

Allen Hall: And the three of us will be in Hamburg in a couple of weeks at Wind Energy Hamburg, so if you see us and you’re interested in coming to Australia, that’s the place to grab us and- Yep … and shake us and say, “I wanna go to Australia. How do I do it?”

Rosemary Barnes: Mm.

Allen Hall: Uh, yeah. Yeah.

Rosemary Barnes: Especially if you’ve got a, a t- technology that addresses some of those specific issues that we’ve mentioned- Mm … then, um, yeah, just know ahead of time that Australia needs, needs more information and more, um, solutions available to them. So, yeah. And

Matthew Stead: that reminds me, we had a really discussion a- around safety and, you know, reasonable and [00:20:00] practicable, and discussion around all the lessons learned about how…

or what is best practice on a site, what is best practice about how to manage risks and-

Rosemary Barnes: Mm.

Matthew Stead: Yeah. Yeah. I know you, you, you enjoyed that one.

Rosemary Barnes: Yeah, yeah, definitely. And we’re not talking about, like, safety the- Ear muffs or hats. The, um, rou- Yeah, the routine safety that if you- The goggles, yeah … yeah, trip over and graze your knee, then you need to let the site supervisor know.

You, you know, it’s not that stuff, ’cause sites have that under control. That’s a given, yeah. Or at least the ability to get that under control. We’re talking about the bigger- Yeah … bigger things, you know. Like, uh, is there a issue that is causing blades to fall off turbines every now and then? Is there an issue that, uh, can lead to, you know, a fire?

I, I think everyone, like- Yeah … a big fear of everybody’s. There’s never been, um, in Australia at least, there’s never been a wind turbine fire that has caused a bush fire, but it is a possibility, and it would be so bad for the industry. So, you know, it’s those things- Mm … that could be just terrible, preventing those before they happen.

Mm. So that’s the kind of safety that we’re gonna mainly focus on. Mm. Although, you know, we’re not gonna [00:21:00] turn down questions on, um, some of the smaller stuff as well.

Matthew Stead: Yeah.

Rosemary Barnes: Mm.

Matthew Stead: And we even thought about getting some lawyers-

Rosemary Barnes: Yeah …

Matthew Stead: you missed out on this discussion, Rosie. Okay.

Rosemary Barnes: Yeah.

Matthew Stead: So

Rosemary Barnes: Yeah. Lawyers, this is news to me.

Well, I mean, are we talking contracts or, um-

Matthew Stead: No, no … no … it’s really operations. I mean- Right … the environmental, um, issues- Oh yeah … the operational issues. Mm. You know, there’s, there’s a few things in there that the lawyers can add.

Rosemary Barnes: Yeah. I mean- … I’ve, I constantly find myself having to interpret, you know, legal, um, legal text and also anticipate, you know, it’s one thing about what’s the right engineering, but then there is also the legal interpretation of it- Yeah

uh, as well, you know, in terms of contract law, but then also in, in terms of safety. Yeah. Um, yeah. Was this certification done correctly? You know- Yeah … that’s got some legal aspect to it. So yeah, that- Yeah … makes sense to me. Insurance is another one where I would say- Yeah, actually that came up … you know, like some, some people might think that that doesn’t sound interesting, but yeah, in- insurance is the other-

Matthew Stead: Mm

Rosemary Barnes: aspect that you [00:22:00] just can’t, um, you can’t get away from it. Like, you can’t just think that you’re, you’re doing your engineering without bothering about Mm … yeah, like finance and law and, um, and insurance. Those are things that- Mm … you spend a lot of time thinking about.

Matthew Stead: Yeah. Mm. And I guess we would also love to hear, you know, about potential speakers, but we’d also love to hear any other topics that people are attending and want to know about as well.

Rosemary Barnes: Mm-hmm.

Allen Hall: Absolutely. And if you haven’t registered for WOMA 2027, which will be March 3rd through 5th at the Pullman in East Melbourne, right? East Melbourne, yeah. They just redefined it. It’s Pullman in East Melbourne. Uh, go ahead and go to woma2027.com and register now. Uh, Matthew and Rosemary, it’s great to see you in person again, and we’ll see you in a couple of weeks, uh, hopefully in, in Germany.

Rosemary Barnes: Mm.

Allen Hall: Very [00:23:00] exciting.

What Operators Want to Hear at WOMA 2027

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