Solar and wind capacity in the Association of Southeast Asian Nations (ASEAN) region increased by 20% in 2023, bringing the total to more than 28 gigawatts (GW).
The technologies now make up 9% of electricity generating capacity in ASEAN countries – Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam – according to a new report from Global Energy Monitor (GEM).
Combined with a large base of hydropower, the growth in wind and solar takes the bloc close to its renewable energy capacity target of 35% by 2025, GEM says.
Building an additional 17GW of utility-scale solar and wind projects in the next two years – those that feed power directly into the electricity grid – would be sufficient to reach the goal, it adds.
In fact, it says the region is on track to sail past its target, nearly doubling wind and solar capacity in the next two years by adding a further 23GW of new projects
An even larger 220GW pipeline of new utility-scale wind and solar capacity has been announced, or entered pre-construction or construction stages, according to GEM’s analysis, though only 6GW of this is currently being built.
However, ASEAN countries collectively have one of the fastest-growing economies in the world and have seen very rapid recent electricity demand growth of 22% per year between 2015 and 2021. This has translated into continued support for gas and coal power in the region, even though demand growth is expected to slow.
While renewables have the potential to temper the growth in fossil fuel demand, wind and solar expansion face regulatory hurdles and a lack of supportive policy, GEM adds.
Success so far
ASEAN added 3GW of solar capacity in 2023, increasing installed capacity by 17% over 2022 levels, according to GEM’s report.
Despite solar seeing a larger overall capacity increase, operational wind capacity saw a larger comparative rise, growing by 29%, or 2GW, since January 2023.
Offshore wind now accounts for 2GW of the operating 9GW of utility-scale wind capacity in the region.
Given the technical challenges and associated higher costs of offshore wind, this is particularly noteworthy, GEM states.
Vietnam has by far the most utility-scale solar and wind capacity of all the ASEAN nations, as seen in the chart below.

The increase in utility-scale solar and wind capacity over the past year has come as a result of a supportive policy environment across many countries in the ASEAN region, says GEM.
In 2017, Vietnam deployed a series of investment policies designed to bring utility scale-solar projects into operation, for example. Two feed-in-tariff (FiT) programs were deployed by the country’s state-owned utility between 2017 and 2020.
However, when these programs expired, Vietnam failed to administer a replacement, GEM says. As such, despite the nation adding 12GW of utility-scale solar capacity between 2019 and 2021, gaps in energy policy have started to limit progress.
Just 1GW of utility-scale solar and wind was commissioned in Vietnam in 2022, in comparison with nearly 4GW in 2021.
Thailand and the Philippines currently have the second and third highest utility-scale solar and wind capacity in the region, with 3GW of operating capacity each.
Thailand is the second largest economy in ASEAN after Indonesia and has benefitted from being seen as a “low-risk country”, notes GEM, with few barriers for investment.
The Philippines, meanwhile, hosts a “streamlined project bidding system”, which allows for an “unencumbered pipeline of project development”, GEM says. Currently, around three-quarters of its operational utility-scale solar and wind capacity comes from solar.
Future growth
There is currently a total of 222GW of announced, pre-construction and construction-stage utility-scale wind and solar capacity in ASEAN countries, according to GEM’s research.
More than 185GW of this pipeline of projects is in the Philippines and Vietnam, meaning they account for more than 80% of prospective capacity in the region. This is shown in the figure below.

More than 60% of the pipeline in Vietnam and the Philippines comes from planned offshore wind development, GEM says, of 72GW and 52GW respectively.
The Philippines is responsible for 45% of prospective capacity in ASEAN countries. Its Green Energy Auction Program (GEAP) aims to facilitate the development of more than 11GW of renewable energy.
In March 2023, it held an auction securing just over 300 bids to develop 3GW of solar, onshore wind and bioenergy with 2024–2026 start dates.
This capacity fell short of the level targeted, but represented a 75% increase on the amount secured in 2022’s auction, notes GEM.
Offshore wind comprises 52% of the Philippines’ prospective utility-scale renewable capacity, with five times more offshore wind than onshore.
In April 2023, the nation issued an executive order, outlining cooperation between private investors and the government on offshore wind. Since then, offshore wind contracts have more than doubled to nearly 80, representing 61GW of capacity, GEM notes.
Vietnam has more than 86GW of prospective capacity, including 72GW of offshore wind. However, just 2% is currently being built, due in part to the country’s “lack of concise and reliable renewable energy policies that could serve as a crucial roadmap for project implementation”, states GEM.
A further 40GW of utility-scale solar and wind projects in Vietnam are considered by GEM to be “shelved”, because they have seen no progression or announcements in the past two years.
Vietnam is working on a just energy transition partnership (JETP) with a group of developed countries. It also released its latest national electricity development plan for 2021–2030, also known as the power development plan 8 (PDP8).
The alignment of these policies and funding schemes is still in development, and therefore their impact cannot yet be determined, notes GEM.
Laos is aiming to “punch above its economic weight” in the development of utility-scale solar and wind capacity, GEM says. At more than 3GW, its prospective capacity rivals that of Thailand, despite the country’s economy being only 2% of the size.
Laos’ prospective utility-scale solar and wind capacity surpasses that of Malaysia by more than 150%, despite having an economy that is more than thirty times smaller. This ambition is being driven by financial collaboration with ASEAN partners, according to GEM.
Laos is set to house the region’s largest onshore windfarm. Monsoon windfarm is currently under construction and expected to have a capacity of 600 megawatts (MW) when complete.
Despite this large pipeline of ASEAN wind and solar projects, however, only 6.3GW (3%) is currently under construction, notes GEM.
Reaching renewable ambitions
The target for renewables to make up 35% of electricity generating capacity by 2025 is “easily attainable and ultimately unambitious for ASEAN”, according to GEM.
Renewables already make up 32% of electricity capacity in ASEAN countries, GEM says, meaning the 35% target can be met easily.
Moreover, while annual growth in electricity consumption is expected to slow from the annual 22% since 2014 to just 3% a year out to 2030, GEM says rising demand will continue to drive expansion in fossil fuel power infrastructure in the region.
Hitting the 35% target would only require ASEAN countries to commission 17GW of new renewable capacity by 2025, GEM says, of which 6.3GW is already under construction.
Yet there is in excess of 220GW of prospective utility-scale solar and wind in development, with a total of 23GW set to be operational by 2025.
This means the region is on track to beat its target and nearly double its installed wind and solar capacity in just two years, according to GEM, with scope to go even further and reduce the need for fossil fuel expansion.
For now, fossil fuels remain entrenched in the region, restricting new investment in utility-scale wind and solar, GEM states.
Gas and coal each account for approximately 30% of ASEAN countries’ total installed capacity, and coal-fired power capacity has seen an annual growth rate of 7% since 2017.
With electricity demand growth currently outpacing the rollout of renewable energy capacity, gas and coal are expected to continue to grow in coming years, GEM says.
National energy policies have touted the use of gas as a “stepping stone” in the energy transition and ASEAN countries are likely to be net importers of gas by 2025.
Insufficient grid infrastructure investment is also a “persistent hurdle” for integrating utility-scale solar and wind, notes GEM.
As such, while there is a clear effort being made to ramp up renewable energy, this continues to be complicated by a buildout of fossil fuels and low solar and wind construction rates, concludes GEM. The report adds:
“By doubling down on bringing as much of the 220GW of prospective utility-scale solar and wind projects into fruition, ASEAN countries will be poised to not only meet regional renewable energy targets, but pave the way to transition from fossil fuels.”
The post Wind and solar capacity in south-east Asia climbs 20% in just one year, report finds appeared first on Carbon Brief.
Wind and solar capacity in south-east Asia climbs 20% in just one year, report finds
Climate Change
Revealed: Scientists tell Colombia fossil-fuel transition summit to ‘halt new expansion’
Countries attending a first-of-its-kind fossil-fuel summit have been asked to consider “action recommendations” such as “halting all new fossil-fuel expansion” and “reject[ing] gas as a bridging fuel”, according to a preliminary scientific report seen by Carbon Brief.
Around 50 nations will gather in Santa Marta, Colombia from 24-29 April to debate ways to “transition away” from fossil fuels, in the face of worsening climate change and sky-high oil prices.
The talks come after a large group of nations campaigned for, but ultimately failed, to get all countries to formally agree to a “roadmap” away from fossil fuels at the COP30 climate summit in Brazil in November.
The nations gathering in Santa Marta for the summit co-hosted by Colombia and the Netherlands, call themselves the “coalition of the willing”.
Ahead of country officials arriving in Santa Marta, a global group of academics will gather in the city this week to present and discuss the latest scientific evidence on fossil-fuel phaseout, which will then inform debate among policymakers.
A preliminary scientific “synthesis report” circulated to governments attending the talks and seen by Carbon Brief offers 12 “action insights” for countries to consider, along with a wide range of “action recommendations”.
These recommendations range from “phase out subsidies on fossil-fuel production and consumption” to “kick-start a forum to develop a legal framework to ban fossil-fuel advertisements”.
‘Rapid’ assessment
The preliminary scientific report seen by Carbon Brief – titled, “Action insights for the Santa Marta process” – is the result of some rapid work by an “ad-hoc” group of around 24 scientists.
It is designed to present governments attending the talks with concrete and actionable recommendations for transitioning away from fossil fuels.
The preliminary version, which includes recommendations such as “halting all new fossil fuel expansion”, has already been circulated to governments, with a view that this could help them to prepare for the talks in advance.
It will be further debated and refined by scientists attending the academic segment of the Santa Marta talks, before a final version is made public towards the end of April, Carbon Brief understands.
The process to produce the report began shortly after the conclusion of the COP30 climate summit in Brazil in November, explains its lead author, Dr Friedrich Bohn, a research scientist and co-founder of the Earth Resilience Institute in Germany. He tells Carbon Brief:
“When [Brazil] announced there would be a Santa Marta conference led by Colombia and the Netherlands, I was sitting listening with a small group of scientists. We thought: ‘This is great news, but it should be supported by scientific expertise.’”
One of the members of Bohn’s group had a pre-existing relationship with the Colombian government, allowing a dialogue to quickly be established, he continues:
“In the beginning, the idea was to just write a peer-reviewed paper. But, because of this close connection to the Colombian government and some feedback from them, the synthesis paper evolved.”
The report came out of a “very rapidly evolved process” that relied on the “goodwill” and “enthusiasm” of the academics involved, adds coordinating author Prof Frank Jotzo, a professor of climate change economics at Australian National University. (Jotzo is a former Carbon Brief contributing editor.) He tells Carbon Brief:
“It’s an attempt to get broad coverage on relevant topics from researchers with good expertise and reputation.”
The group of 24 scientists involved spent around two months compiling the “action insights” for the report, drawing on their expertise and the latest available research, says Jotzo.
Given the rapid nature of the report, it does not aim to be “completist”, has not been externally reviewed and did not follow a stringent process for author selection comparable to that used by Intergovernmental Panel on Climate Change (IPCC) reports, he adds.
The contributors to the report currently skew to the global north and include more men than women, adds Bohn.
‘Direct guidance’
In a departure from IPCC reports, the preliminary Santa Marta synthesis report offers “very direct guidance to action”, says Jotzo.
The report lists 12 “action insights”, each with three “action recommendations”. (The list was cut down from a shortlist of about 40-50 insights, Carbon Brief understands.)
One of the most striking in the draft is “action insight 5”, which says:
“Take immediate measures to prevent future emissions. Ban new fossil infrastructure, mandate deep methane cuts, accelerate electrification and inscribe fossil-fuel phase-down targets in NDCs [nationally determined contributions] and clean-energy pathways support to low and middle income countries (LMICs).”
The accompanying three “action recommendations” include “halting all new fossil-fuel extraction and infrastructure projects ahead of a final investment decision”, “implementing deep, legally binding methane cuts in the energy sector” and “inscrib[ing] targets for fossil-fuel phase down, electrification and green exports in NDCs”.
(The draft report includes multiple references to “phasing out” and “phasing down” fossil fuels, rather than the “transition away from fossil fuels” language that was, ultimately, agreed by countries at the COP28 UN climate talks in Dubai in 2023.)
Another action insight says “public support for climate action is broadly underestimated and undermined by interest groups, but it can be strengthened by debunking greenwashing narratives”.
One recommendation for this insight is that nations “reject natural gas as a bridging technology and CCS [carbon capture and storage] techniques as scalable compensation”.
In a letter introducing the report to governments and civil society, the scientists note that making direct recommendations is a “challenge for our community”, but added:
“However, in the spirit of a constructive collaboration between science and policymaking, we allowed ourselves to identify some potential courses of action that our community would recommend for each particular issue – and we invite you to weigh these against your own circumstances and pick up whatever seems most useful for you and your colleagues.”
The prescriptiveness of the recommendations – something strictly prohibited in IPCC reports – was an explicit request from the Colombian government, Bohn says:
“The idea of actionable recommendations was introduced by the Colombian government.
“There was some discussion within the team about this. It’s a tricky area when you leave science and move to consultation. Therefore, we agreed, in the end, to call them ‘actionable recommendations’ and to make them as precise as possible, from the scientific perspective.”
Jotzo, a veteran of the IPCC process, tells Carbon Brief that it was “very liberating” to work on a report with a “free-form process”:
“The bulk of policy-related research is very readily deployed to recommendations pointing out what countries could do. The IPCC process, for example, just doesn’t allow that. As far as the summary for policymakers in the IPCC is concerned, it will usually be governments that filter out anything that could be interpreted as a specific recommendation.”
He adds that the hope is that some of the action insights might be reflected in the high-level segment of the Santa Marta conference:
“No one is under any illusions that governments will walk away from the Santa Marta conference and will have made a decision to implement recommendations one, seven and nine – or something like that. But it is a chance to insert directly applicable action points into national and plurilateral policy agendas.”
Colombia calling
The preliminary report will be further debated and refined by scientists attending the “pre-academic segment” of the Santa Marta talks.
This is taking place from 24-26 April, ahead of the “high-level segment” involving ministers and other policymakers from 28-29 April.
The pre-academic segment will also separately see the launch of a new advisory panel on fossil-fuel transition and a scientifically led roadmap for how Colombia can transition away from fossil fuels, Carbon Brief understands.
The high-level segment is expected to be attended by representatives from around 50 countries, including COP31 host Turkey and major oil-and-gas producers such as the UK, Canada, Australia, Brazil and Norway.
Countries expected to attend account for one-third of global fossil-fuel demand and one-fifth of global production, according to the Colombian government.
At the end of the conference, countries are due to release a report featuring a “menu of solutions” for transitioning away from fossil fuels, according to Colombia’s environment minister Irene Vélez Torres.
This report is in turn set to inform a global “roadmap” on transitioning away from fossil fuels being developed by the Brazilian COP30 presidency, which is due to be presented at COP31 in Turkey this November.
The Brazilian COP30 presidency offered to bring forward a “voluntary” fossil-fuel transition “roadmap” outside of the official COP process, after countries failed to formally agree to one during negotiations in Belém.
The post Revealed: Scientists tell Colombia fossil-fuel transition summit to ‘halt new expansion’ appeared first on Carbon Brief.
Revealed: Scientists tell Colombia fossil-fuel transition summit to ‘halt new expansion’
Climate Change
Technical Assessment of Woodside’s Browse Turtle Management Plan
Technical Assessment of Woodside’s Browse Pygmy Blue Whale Management Plan
To secure their approvals, Woodside had to develop a plan for how they would manage the significant risks to threatened green turtles if the project proceeds. We’ve had two independent scientists provide a technical assessment of Woodside’s management plan for whales and turtles and their findings are gobsmacking.
Woodside’s Browse gas project could make Scott Reef’s unique green turtles extinct.
Woodside’s Browse gas project could delay or prevent the population recovery of the endangered pygmy blue whales that rely on Scott Reef, heightening their extinction risk.
Technical Assessment of Woodside’s Browse Turtle Management Plan
Climate Change
Low-Producing Oil Wells in Texas Cause Headaches for Landowners
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Reporting for this story was supported by a grant from the Fund for Investigative Journalism.
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