Nvidia’s venture arm, NVentures, joined TerraPower’s $650 million fundraising round announced June 18, 2025. TerraPower named founder Bill Gates, HD Hyundai and NVentures among the participants, but neither the company nor contemporary coverage disclosed Nvidia’s individual contribution. The financing supports commercialization of TerraPower’s Natrium advanced-nuclear system and its first plant in Wyoming.
The investment gives Nvidia exposure to an emerging energy and engineering market tied to artificial-intelligence power demand. It does not show that Nvidia bought a nuclear plant, secured electricity for its own data centers or financed the entire round.
What Nvidia actually invested in
TerraPower’s announcement described a total $650 million financing, with NVentures participating as a new investor alongside existing backers including Gates and HD Hyundai. The amount of Nvidia’s check was not disclosed in the company announcement or in TechCrunch’s June 20, 2025 report.
That distinction matters for investors. “Nvidia invested $650 million in TerraPower” is inaccurate: $650 million was the round’s total size. TerraPower said the proceeds would support commercialization of its Natrium technology and construction of its first commercial plant.
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What TerraPower’s Natrium system is
Natrium is an advanced-fission energy system that combines a nuclear reactor with a gigawatt-scale energy-storage system. The reactor is intended to provide firm, carbon-free generation, while storage is designed to let the facility increase or vary its output when grid conditions or demand change.
TerraPower’s first project is Kemmerer Unit 1 in Wyoming. The company describes it as the first utility-scale advanced nuclear power plant planned for the United States. “Advanced nuclear” is a broad category; it should not be treated as interchangeable with every small modular reactor, molten-salt concept or conventional large reactor.
Why an AI-chip company would care about nuclear energy
Electricity is becoming an AI infrastructure constraint
Large AI data centers need substantial, reliable electricity. Nvidia sells the computing platforms that power this expansion, so constraints on generation, transmission and grid connections can affect the growth of its customers and wider ecosystem. Nuclear generation is attractive in this context because it can operate continuously without the weather dependence of wind and solar.
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Nuclear plants, however, take years to license and build. A future reactor cannot solve a data center’s immediate power shortfall, and nuclear is only one part of a broader mix that includes renewables, storage, transmission and efficiency.
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Through NVentures, Nvidia can take a position in a potentially important energy technology without becoming the developer, owner or operator of a nuclear facility. The investment’s financial significance to Nvidia cannot be assessed publicly because the check size is unknown and TerraPower is private.
Advanced reactors create a computing and simulation market
Designing and deploying advanced reactors requires complex modeling, simulation, optimization and digital engineering. In March 2026, TerraPower and SoftServe announced an engineering platform using NVIDIA Omniverse and digital-twin technology to support Natrium plant siting and design.
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That later relationship is the clearest documented link between Nvidia’s technology business and TerraPower. Nvidia’s own discussion of AI factories, grids and energy infrastructure places such tools in a wider strategy; it does not establish that the TerraPower investment was made to reserve electricity for Nvidia facilities. See Nvidia’s energy-infrastructure overview.
Is Nvidia buying nuclear power for its data centers?
There is no public evidence in the cited announcements of a Nvidia power-purchase agreement, dedicated electricity allocation, plant ownership right or plan to run Nvidia data centers on TerraPower electricity. The documented facts are narrower:
- NVentures invested in TerraPower’s 2025 financing.
- TerraPower is developing a Wyoming advanced-nuclear plant.
- TerraPower and SoftServe later announced an Omniverse-based engineering initiative.
- AI growth is increasing attention on reliable electricity supply.
Connecting those facts into a direct Nvidia power-supply deal would go beyond the evidence.
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Where the Wyoming project stood on August 16, 2026
The project moved materially beyond the 2025 fundraising announcement:
| Date | Milestone |
|---|---|
| March 2026 | The U.S. Nuclear Regulatory Commission issued a construction permit for TerraPower’s Natrium project, according to the Department of Energy’s nuclear-energy update. |
| April 23, 2026 | TerraPower announced the official start of construction at Kemmerer Unit 1 in its construction statement. |
| January 9, 2026 | TerraPower and Meta announced an agreement to develop up to eight Natrium plants, representing up to 2.8 GW of baseload energy and storage capability that could raise total output to 4 GW. Initial deliveries were described as potentially beginning as early as 2032. Details remain subject to development and execution. |
| January 20, 2026 | Korea Hydro & Nuclear Power joined TerraPower’s investor base, as reported in TerraPower’s announcement. |
| March 25, 2026 | TerraPower and SoftServe previewed the NVIDIA Omniverse-powered siting and design platform. |
A construction permit is not an operating license, and beginning construction is not the same as generating electricity. The project still must complete construction, obtain the approvals required for operation, secure suitable fuel, commission the plant and demonstrate reliable performance.
What the broader TerraPower ecosystem shows
Meta represents potential demand and project support
Meta’s agreement indicates that major technology companies are considering advanced nuclear power as part of long-term electricity planning. It is a development agreement with potential early-2030s deliveries, not evidence that Meta is receiving power today.
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KHNP adds nuclear-industry participation
KHNP’s entry broadens TerraPower’s investor base beyond technology and venture capital. It may improve access to nuclear expertise and supply-chain relationships, but it does not remove the project’s licensing, financing or construction risks.
Nvidia contributes a different capability
Nvidia’s distinctive potential contribution is computing, simulation and software infrastructure, combined with venture capital. TerraPower remains responsible for reactor technology and project development; SoftServe is involved in engineering implementation; government agencies remain the regulatory gatekeepers.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Does the investment validate TerraPower?
The evidence supports several different kinds of validation, which should not be conflated:
- Capital-market validation: a major technology company’s venture arm joined a $650 million round.
- Regulatory progress: the project received an NRC construction permit.
- Commercial interest: Meta signed a development agreement for potential future plants.
- Operational validation: not yet established; the plant must be built, fueled, commissioned and operated reliably.
- Economic validation: not yet established; actual construction costs, financing costs, performance and electricity prices are still unknown.
The Omniverse platform is also a company-announced engineering initiative. Claims about compressing design timelines should be treated as stated objectives, not independently demonstrated fleet-wide results.
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The risks investors should keep in view
- First-of-a-kind execution: novel designs can face delays, redesigns and cost overruns.
- Regulation: licensing requirements or policy changes can affect schedules and budgets.
- Fuel: advanced reactors may require fuel that is not yet available at the scale and price needed for a fleet.
- Supply chains and workforce: specialized manufacturing capacity and nuclear-qualified personnel can constrain deployment.
- Financing: multiple commercial units require substantial capital and credible long-term offtake or utility arrangements.
- Timing: a 2025 investment does not imply near-term power delivery; proposed initial Meta deliveries are as early as 2032.
- Demand mismatch: data-center load may grow faster than new nuclear plants can be permitted and built.
- Storage economics: Natrium’s flexibility depends on whether its storage system can provide the promised output profile at a competitive cost.
How to interpret Nvidia’s move
The most defensible interpretation is that Nvidia is taking a strategic position where three interests overlap: rising AI electricity demand, advanced-nuclear engineering and the potential market for accelerated computing and digital twins. The investment creates optionality if nuclear becomes a significant source of power for future data centers and industrial loads.
It is not evidence that Nvidia has become a nuclear-plant developer, that it has secured TerraPower electricity or that TerraPower has already proved a repeatable commercial reactor fleet. Those conclusions require information about Nvidia’s investment terms, plant economics, operating performance and future contracts that has not been disclosed.
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