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Commonwealth Fusion Systems SPARC

Nuclear fusion energy is clean, safe, and sustainable. It combines lighter atoms to release vast energy without high-level radioactive waste. Commonwealth Fusion Systems (CFS), the Massachusetts-based fusion giant aims to revolutionize the clean-energy space by generating infinite carbon-free power with its flagship fusion project SPARC. Since its inception in 2018, the company has secured over $2 billion in funding, which makes it the world’s largest private fusion company.

Recently CFS announced that it has built and tested a groundbreaking electromagnet, the Central Solenoid Model Coil (CSMC). This scientific innovation brings the company closer to using clean fusion energy for the grid. 

Commonwealth Fusion Systems’ Mighty Magnet Makes Fusion Feasible

The CSMC test, combined with the already tested (in 2021) and successfully existing Toroidal Field Model Coil (TFMC), proves the functionality of two essential high-temperature superconducting (HTS) magnets. These magnets are crucial for SPARC, the tokamak machine which is designed to demonstrate net fusion energy.

Additionally, the TFMC validated magnets for steady electrical currents, while the CSMC confirmed the capability for pulsed electrical currents.

Brandon Sorbom, Co-Founder and Chief Science Officer noted,

“This is an important milestone on the road to commercialization. When we hit the button and put current through the magnet, it performed like a champ and hit all its major test objectives. The fact that our team was able to develop this technology from benchtop to a fully integrated, at-scale superconducting magnet in just a couple of years is huge.”

The press release also mentioned that CFS developed PIT VIPER which is an advanced HTS cable technology. It aids in powering SPARC’s central solenoid (CS) and poloidal field (PF) magnets. PIT VIPER’s innovative design minimizes heating during rapid current changes, enabling high-performance magnets.

The CSMC Model

commonwealth fusion system

source: CFS

Key test results from the Central Solenoid Model Coil include:

  • Handling electrical currents up to 50,000 amps, enough to power 250 modern homes.
  • Generating a magnetic field of 5.7 teslas—100,000 times Earth’s magnetic strength.
  • Releasing energy rapidly at 4 teslas per second, validating SPARC magnet behavior.
  • Storing a record 3.7 megajoules of energy, equivalent to five pickup trucks traveling at 60 mph.
  • Using fiber optics to detect overheating events, ensuring magnet safety.

CFS and MIT: Partners in Fusion Progress

The successful CSMC test showcases CFS’ leadership in magnet technology. The company scaled up PIT VIPER cable production and demonstrated its ability to design and operate magnets under SPARC-like conditions.

Experts from CFS and the Massachusetts Institute of Technology (MIT) collaborated on this project and conducted the tests at MIT’s Plasma Science & Fusion Center (PSFC). Moving on, CFS plans to produce the first plasma with SPARC in 2026 and achieve net energy soon after. The company’s first power plant, ARC, is expected to deliver electricity to the grid in the early 2030s.

Ted Golfinopoulos, one of the principal investigators at MIT for the CSMC project said, 

“Where the mission of the TFMC was to demonstrate a steady strength, the CSMC needed to demonstrate speed.”

He also hailed the collective effort of the amazing team by remarking,

“Hundreds of hands have touched this coil, from its inception on the drafting board to its long and complicated test program. The ingenuity, perseverance, and heart shown by this close-knit team was as impressive as the coil that sprang from their labors.”

Notably, the U.S. Department of Energy’s Advanced Research Projects Agency–Energy (ARPA–E) and Fusion Energy Sciences (FES) programs supported the innovation.

Commonwealth Fusion Systems Aims to Transform Coal Plants with Nuclear Fusion

From a recent Bloomberg report, we discovered that Tokamak designs were first developed in the 1950s and they already demonstrated the ability to trigger fusion reactions. However, their practical and commercial viability is still questionable. This is because these traditional electromagnets require a humongous amount of power to shift them from scientific experiments to practical energy solutions.

CFS’s blueprint electromagnets that we described earlier can keep the plasma under control and maintain the continuity of the fusion reaction. This is why Bob Mumgaard, CEO of Commonwealth Fusion Systems expressed his satisfaction, saying that this was the last major technology hurdle they needed to clear.  

The report further highlighted CFS’s plans to replace fossil fuel boilers with fusion power by harnessing the same energy source as the sun. The company is already assessing old coal and natural gas plant sites as potential locations for building its first commercial fusion systems. However, their demonstration device is still in the developmental phase.

Nonetheless, CFS is confident of its success and the shift from fossil fuels to clean, carbon-free energy using fusion.

The recently published Global Fusion Industry Report reveals a rapidly intensifying race to commercialize fusion energy. Currently, 45 companies are advancing diverse technologies and have collectively raised over $7 billion. Public-private partnerships are playing a pivotal role in the fusion development process and have brought a remarkable 50% increase in funding.

The investment figures are shown below:

fusion

Source: 2024 Global Fusion Industry Report

Industry reports and expert opinions confirm that the fusion industry is still in its development phase. Building commercial nuclear fusion systems will take time, but progress is accelerating with increased investments and scientific breakthroughs. In this space, Commonwealth Fusion Systems is driving the transition toward a global clean energy future with its groundbreaking innovations.

Sources:

  1. Commonwealth Fusion Systems Magnet Success Propels Fusion Energy Toward the Grid | Commonwealth Fusion Systems
  2. Nuclear Fusion Leader Wants to Build on Site of Old Coal Plants – BNN Bloomberg

The post Commonwealth Fusion Systems’ Innovative Magnet Powers Fusion to the Grid appeared first on Carbon Credits.

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Climate-Linked Supply Chain Risk Is Already in Your P&L

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The earnings calls that quietly reframed climate from sustainability question to operating risk.

Three earnings calls in the last 18 months tell the story without any help from a press release.

Hershey, May 2024: cocoa price exposure compresses margin, and the company attributes part of the cost shock to West African weather. Olam, July 2024: coffee climate exposure quantified in the annual report. JBS, January 2025: supply chain climate disclosures expanded materially in response to investor pressure and regulatory expectation. None of these companies issued the announcement as climate news. They issued it as financial news. The climate-linked supply chain risk did not arrive with a sustainability framing; it arrived as a P&L line.

You are probably reading this article because you suspect the same thing is happening to your business. This piece walks through what is showing up on which earnings calls, how procurement and finance leaders are quantifying the exposure, and what serious corporates are doing about it before the regulator asks.

Where climate risk has already appeared in earnings

The pattern is consistent across resource-intensive sectors. A weather event compresses supply, the price spikes, the cost flows through the income statement, and the analyst on the call asks whether the event is anomalous or structural. Increasingly, the honest answer is the second one.

Cocoa is the cleanest example. The 2023 to 2024 West African harvest fell sharply on the back of erratic rainfall and disease. Cocoa futures more than tripled. Companies with concentrated West African sourcing absorbed the cost; companies with diversified sourcing absorbed less. The exposure was not climate as ESG topic. It was climate as cost of goods.

Coffee follows the same pattern. Brazilian and Vietnamese harvests have moved on weather more sharply across the last several seasons. Roasters with long-tenor supplier relationships and origin diversification have managed the volatility; roasters with spot-market exposure have not. Wheat, sugar, palm oil, beef: the same dynamic in different commodities, a pattern the IPCC AR6 Working Group II report projects will intensify across agricultural systems through mid-century.

What this means: climate risk is no longer a footnote in the 10-K. It is a line item the CFO has to explain on the call.

The three commodity exposures that hit margin first

For most companies with material Scope 3 exposure, three exposures dominate the near-term P&L risk.

  • Concentrated single-origin sourcing in a climate-vulnerable region. If your tier-one supply for any material commodity sits in one geography, you have a concentration risk that climate amplifies. Diversification across origins is the obvious hedge, but it takes years to build and requires relationships you cannot acquire by tender.
  • Supplier financial fragility under climate stress. Smallholder farmers, who supply a large share of the global cocoa, coffee, and palm oil market, do not carry the balance sheets to absorb yield shocks. When yields collapse, they exit. When they exit, your supply base shrinks, and the surviving suppliers raise prices. The risk is structural, not cyclical.
  • Logistics and storage exposure to extreme weather. Hurricane disruptions to Gulf shipping, drought-driven Panama Canal restrictions, flooding in European inland waterways: each of these has moved input costs in the last three years, a pattern documented in Munich Re’s natural catastrophe data. The exposure shows up as a one-quarter event in the financial press but accumulates over time on the cost line.

TCFD and ISSB disclosure changes

The disclosure architecture has now caught up with the risk. The Task Force on Climate-related Financial Disclosures, whose recommendations are now embedded in the ISSB’s IFRS S2 climate standard, requires companies to disclose climate-related risks across physical and transition categories, with quantification where possible.

For physical risk specifically (the climate-linked supply chain risk you are reading about), the disclosure must address both acute exposures (extreme weather events) and chronic exposures (gradual changes in temperature, precipitation, and growing seasons). The disclosure must address the time horizon over which the risk is material, the parts of the value chain exposed, and the financial impact under different scenarios.

The CSRD imposes similar requirements under European law, with double materiality (both financial and impact materiality) embedded in the assessment. The practical effect: your auditors and your investor relations team now need a defensible answer to the climate-linked supply chain risk question, and the answer needs to be quantified.

What procurement and finance can do now

Three actions matter near-term.

Map your exposure. Most companies do not have a clear view of which tier-one and tier-two suppliers sit in which climate-vulnerable geographies. Without the map, you cannot quantify the risk, and without the quantification, you cannot disclose it credibly. The map is the foundation, and World Resources Institute climate risk research provides useful public tooling to start.

Diversify and deepen, in that order. Diversification across origins reduces concentration risk, but the deeper move is to invest in the resilience of the suppliers you already have. Regenerative practices, agroforestry, soil health interventions: these reduce yield volatility under climate stress and protect your input cost trajectory.

Embed the climate spend inside procurement, not outside it. Treating climate risk as a sustainability cost line subordinates it to the ESG budget. Treating it as a procurement and resilience investment puts it in the budget that matters, which is the cost-of-goods budget that the CFO defends quarterly.

Nature-based supply chain investments are the asset class designed for exactly this purpose. They sit inside the value chain, they reduce climate-linked supply risk, they generate verifiable Scope 3 reductions, and they produce the documentation an auditor and a regulator can both test.

If you are quantifying climate-linked supply chain risk in advance of the next earnings cycle or the next disclosure period, the carbon and sustainability experts at Carbon Credit Capital can help you map your exposure and structure a Dual-Value Model response that addresses reduction, resilience, and disclosure-readiness in a single program. Schedule a consultation.

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Carbon Footprint

Where should an SME start with a carbon action plan?

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More and more small and medium-sized businesses are hearing the same question from their larger customers: What is your carbon footprint? That question now travels down entire supply chains, and it arrives next to tender requirements, certification criteria, and rising customer expectations.

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Carbon Footprint

Insetting vs Offsetting: Which Actually Counts Toward Your Scope 3 Targets

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The accounting differences that decide whether your nature investment shows up in inventory, in BVCM, or nowhere at all.

The question reaches a procurement team about three weeks before the next sustainability committee meeting. Someone has read about insetting. Someone else has just signed off on an offset purchase. The CSO wants to know if the two are interchangeable. The answer is no, and the GHG Protocol Land Sector and Removals Standard is the reason why.

This article walks through what each term means at audit-grade specificity, what the standards actually say about how each gets counted, and how to decide which tool fits which target. The insetting vs offsetting question is one of the most-searched in corporate climate strategy, and one of the most poorly answered. By the end of this piece, you should be able to brief a committee on the difference without notes.

The two definitions, in plain English

Offsetting means buying carbon credits generated outside your value chain and retiring them against your residual emissions. The reduction happens somewhere else, financed by you, and the credit is the receipt.

Insetting means investing in emission reductions or removals inside your own value chain, typically with suppliers, where the reduction is directly linked to the products and services you buy. The reduction happens inside the boundary of your Scope 3 inventory, and the accounting treatment is fundamentally different.

The shorthand from the University of Oxford’s Nature-based Insetting Initiative is useful: insetting is what you do with the supply chain you have; offsetting is what you do with the supply chain you do not have.

What the GHG Protocol Land Sector Standard actually says

The GHG Protocol Land Sector and Removals Standard, finalised in 2024 after a multi-year pilot, sets the rules for how land-based emission reductions and removals enter corporate inventories. The Standard distinguishes between inventory accounting (Scope 1, 2, and 3) and project or intervention accounting (a separate methodology for crediting).

For insetting, the practical implication is that supplier-level interventions, when properly measured and attributed, can reduce your Scope 3 category 1 (purchased goods and services) emissions in your inventory. The reduction is not a credit retired against the inventory; it is a lower inventory number, period.

For offsetting, the credit is retired separately. It can be reported as a contribution toward a net-zero claim under the SBTi Beyond Value Chain Mitigation framework or as part of a VCMI Carbon Integrity claim, but it does not lower the inventory number.

A practical consequence: if your Science Based Target requires a 50% absolute reduction in Scope 3 emissions by 2030, insetting moves you toward the target. Offsetting does not. This single point of difference reshapes the procurement decision.

When insetting counts toward Scope 3 (and when it does not)

Insetting counts toward Scope 3 only when several conditions are met:

  • The intervention must occur with an entity in your value chain.
  • The emissions reduction or removal must be measured against a defensible baseline.
  • The reduction must be attributed to your share of that supplier’s output, not double-counted with other buyers.
  • It must follow the inventory accounting rules in the GHG Protocol Land Sector Standard, not the project accounting rules used to generate credits.

The most common failure mode is double counting. If your supplier sells the same reduction as a credit on the voluntary market and also reports it to you as a Scope 3 reduction, the math breaks. The Standard requires you to address this risk, typically by purchasing and retiring the supplier-issued credit as part of your inventory or by contractual provisions that prevent the supplier from selling the reduction twice.

When insetting does not count toward Scope 3: when the intervention sits with a supplier you do not buy from, when the baseline is not defensible, when the attribution is unclear, or when the documentation does not survive audit. Those cases default to Beyond Value Chain Mitigation, which is still useful but operates on a different ledger.

The procurement and supplier engagement question

Insetting is harder than offsetting. That is the unfashionable truth most buyers eventually confront. Offsetting is a transaction; insetting is a relationship.

To run an insetting program, you need supplier mapping precise enough to know which farms or facilities sit at which Scope 3 boundary. You need an engagement model that gets suppliers to participate, which usually requires multi-year commitments and shared economics. You need an MRV architecture that measures the right things and produces audit-ready documentation. And you need a contractual structure that prevents double counting and protects both sides.

The trade-off you receive in return is significant. Reductions count against your inventory rather than your residual. Supplier relationships deepen, which protects sourcing continuity. Yield and quality improvements often follow regenerative interventions, which reduces your input cost over time. And the regulatory file, under CSRD, CSDDD, EUDR, and the SBTi FLAG Guidance, is materially stronger.

Choosing the right tool for the right target

A practical decision rule. If your target is a science-based Scope 3 reduction and you operate in a FLAG sector or source FLAG commodities, insetting is the structurally correct tool. If your target is a net-zero claim that includes neutralising hard-to-abate residual emissions outside your value chain, BVCM via high-integrity offsets is the structurally correct tool. Most companies with material Scope 3 exposure need both, in different proportions, sequenced over time.

The sequencing matters. Insetting takes longer to stand up but produces a permanent reduction in the inventory. Offsetting can be transacted faster but does not change the inventory and now sits under tighter claim restrictions. Treat them as complementary tools with different jobs, not as substitutes. The Accountability Framework Initiative and the IUCN Global Standard for Nature-based Solutions both provide useful guardrails for the insetting side, with biodiversity, human rights, and benefit-sharing requirements that go beyond carbon math.

If you are mapping a Scope 3 reduction roadmap and need to scope which interventions count toward your inventory versus which sit in Beyond Value Chain Mitigation, the carbon and sustainability experts at Carbon Credit Capital can help you structure a nature-based supply chain investment program that fits your FLAG exposure, your target architecture, and your audit horizon. Schedule a consultation.

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