NuScale Power Holdings’ (NYSE: SMR) share price surged after the U.S. made a historic commitment to use its small modular reactor (SMR) technology. The company’s clean-energy credentials are now in the spotlight. This matters not only for investors but also for governments and industry leaders who aim for net-zero goals.
John Hopkins, NuScale’s President and Chief Executive Officer, remarked:
“We are honored that ENTRA1 has selected NuScale’s U.S. NRC-approved SMR technology for this historic deployment in delivering power to the TVA region…Together, we are ready as partners to meet America’s surging demand for reliable, carbon-free baseload power—powering AI data centers, critical mining, semiconductor manufacturing, and the energy-intensive industries that are driving our nation’s economic future.”
Historic Nuclear Deal Drives Stock Rally
NuScale stock has been in the spotlight since its late August surge. Shares rose over 25% after the Tennessee Valley Authority (TVA) made a historic agreement. This deal marks the largest SMR power commitment in U.S. history.
As of September 4, NuScale stock is up nearly 16% today. This rise shows continued investor confidence and extends its rally.
The TVA deal sets NuScale up to build the first SMR nuclear power station in the U.S. Many analysts view this as a key moment for nuclear energy in the country.
Bank of America raised its price target on the stock. They see the TVA agreement as proof of SMRs’ commercial potential. Reports also suggest the planned capacity is more than 5x the size of all existing global SMR projects combined.
Industry watchers note that SMRs have key advantages over traditional nuclear plants. Unlike large reactors, they can be factory-built, modularized, and deployed incrementally. This lowers costs, improves flexibility, and makes SMRs an attractive option for utilities transitioning toward carbon-free energy.
Wall Street Backs Nuclear’s Next Chapter
NuScale’s stock reaction followed nearly immediate upward revisions by Wall Street analysts. Analysts reported the stock jumped when Wells Fargo and other firms raised their ratings. Their new price target is US$4.50, up from about $3. This change shows expected growth in construction contracts and licensing revenue.
The TVA project is expected to cost between US$2–3 billion. It will also generate significant ongoing revenue from operations, maintenance, and long-term fuel services. This financial commitment is seen as a credible revenue pipeline extending into the next decade.
SMRs and ESG: A Green Power Game-Changer
NuScale SMRs provide low-carbon energy. They help grid operators close coal or gas plants, which supports net-zero goals. As mini nuclear reactors with passive safety systems, they offer several environmental and social advantages:
- Lower emissions: SMRs emit zero CO₂ at the point of generation, with life-cycle emissions similar to renewables.
- Land efficiency: A single SMR needs only ~32 acres, compared to hundreds for solar or wind projects of similar output.
- Grid stability: SMRs deliver steady, 24/7 power. Renewables often can’t match this without storage.
- Local economic impact: SMR sites create hundreds of jobs in construction and operations. They often help communities shift away from fossil fuels.
NuScale’s main plant will generate up to 600 megawatts (MWe). This can power about 500,000 homes. It will also cut emissions by over 1 million metric tons of CO₂ each year, compared to similar coal plants.
These features reinforce ESG portfolios for utilities and investors prioritizing both return and sustainability.
Scaling SMRs: The Outlook for Clean Nuclear Power
NuScale’s move with TVA may be the first of many SMR deployments in the U.S. and abroad. Key dynamics impacting future growth include:
- Licensing progress: NuScale received NRC approval in 2024 as the first SMR ever, paving the way for future units.
- Global interest: Countries like Poland, the U.K., and Canada are looking at NuScale-style modular reactors. They want to expand clean energy options.
- Electric grid synergy: Utilities view SMRs as a partner to solar, wind, and batteries. They help balance variable energy sources with reliable nuclear power.
Several hundred SMRs are proposed worldwide using mirror designs. This places NuScale at the heart of what analysts see as the next wave in nuclear deployment.
Small modular reactors could reshape nuclear energy as demand for clean power rises. Current plans target 25 GW of SMR capacity, rising to 40 GW by 2050 under existing policies.
With stronger support, capacity could hit 120 GW—over 1,000 SMRs—requiring investment to grow from $5 billion today to $25 billion by 2030 and $670 billion by 2050. If costs fall to match large reactors, capacity may reach 190 GW, sparking $900 billion in global investment.
NuScale’s Net-Zero Promise for Industry and Grid
NuScale Power’s small modular reactor technology offers clear advantages for ESG-focused investors. It also supports global goals for net-zero emissions, with these facts:
- First-of-its-kind NRC approval
NuScale’s advanced light-water reactors are the only SMR design certified in the U.S. They help utilities close coal and gas plants. This ensures reliable baseload power, which is vital for deep decarbonization.
- Low lifecycle carbon:
NuScale’s SMRs produce zero on-site CO₂ and emit carbon on par with renewables when accounting for the full fuel cycle. They provide clean, continuous energy, unlike solar or wind, which require storage to match baseload demand.
- Multi-sector decarbonization potential:
The SMR modules provide electricity and steam. They can be used for industrial heat, desalination, and hydrogen production. A single 60-MWe module could power ~70,000 fuel-cell vehicles or replace up to 40% of refinery CO₂ emissions.
- Coal-to-clean transitions:
NuScale enables the repowering of retiring coal plants, preserving jobs and grid infrastructure. Each 12-module plant can create about 1,600 construction jobs and 270 operating jobs. It can also support around $470 million in local economic activity each year.
- Global decarbonization alignment:
The nuclear company is involved in global clean energy projects. Their SMR deal with Romania’s state utility might cut around 4 million metric tons of CO₂ yearly.
- Strategic grid services:
SMRs provide flexible load-following, black-start, and dispatchable carbon-free power. These features are key for grids with a lot of renewable energy.
Challenges and What to Watch
While NuScale’s stock momentum is accelerating, several challenges remain. The first TVA plants are not expected to deliver power until the late 2020s, with subsequent units coming online gradually after that.
Even though SMRs are modular, they still need billions in upfront costs. So, support from utilities and government agencies will be crucial. The chart below shows SMR construcion costs in key markets.
NuScale must also show it can grow operations. This means building a reliable supply chain and mastering serial manufacturing. Both steps will help reduce costs over time.
Public perception is still a challenge. Nuclear energy faces local resistance and cautious regulations. This is true even with the passive-safety features in SMR designs.
Investors will be watching closely for several milestones:
- Final investment decisions from TVA in 2026.
- NuScale’s ability to deliver 2nd and 3rd units (economies of scale).
- Expansion into new markets under international SMR tenders.
NuScale at the Forefront of Clean Energy Evolution
NuScale Power’s recent stock surge reflects more than a headline deal—it signals the shifting economics of nuclear energy. SMRs now provide a compact, safe, and ESG-friendly option. They offer a solution for modern grids, especially as traditional SMRs face issues with cost and scale.
The TVA agreement marks a turning point: nuclear power—once considered too slow or expensive—is now viable again, at scale. For investors, NuScale offers exposure to climate-aligned innovation with tangible revenue potential. For utilities and policymakers, it offers a path to deep decarbonization.
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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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