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Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Oklo and data-center operator Switch announced a framework covering up to 12 gigawatts of Aurora advanced-nuclear capacity through 2044. It is a significant customer and demand signal, but it is not a binding 12-GW power-purchase agreement, a guarantee that electricity is available today, or proof that Oklo has solved licensing, fuel, financing and construction.
The companies announced the relationship on December 18, 2024. Their Master Power Agreement is non-binding. Oklo says it would develop, build and operate projects for Switch in the United States, with binding, project-specific agreements expected only after development milestones.
What Oklo and Switch actually signed
The agreement is a long-range deployment framework, not a completed conventional power-purchase agreement. Its headline figure is up to 12 gigawatts-electric (GWe) of potential Aurora projects through 2044. That describes a portfolio of possible facilities over nearly two decades, not one 12-GW plant or a block of power flowing to operating data centers.
- Parties: Oklo and Switch.
- Instrument: a non-binding Master Power Agreement.
- Geography: projects intended for Switch facilities across the United States.
- Oklo’s role: develop, construct and operate the powerhouses, then sell electricity.
- Next contractual step: binding agreements for individual projects after milestones are reached.
The public announcement does not establish final prices, delivery schedules for each site, cancellation terms, take-or-pay obligations or how much of the 12-GW ceiling Switch is committed to purchase. It also does not establish whether projects will sit next to data centers or deliver through the grid.
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Oklo has described Aurora designs in different output configurations, including 15-MW and 50-MW versions. Those figures have changed as its product roadmap evolved, so converting 12 GW into an exact reactor count would be speculative. The 12 GW should be read as prospective electric capacity, not contracted output already under construction.
Why data centers are pursuing nuclear power
AI, cloud and enterprise facilities need large quantities of dependable electricity around the clock. Developers also face grid-interconnection queues, transmission constraints and pressure to reduce emissions. Advanced nuclear could, in principle, provide firm, low-carbon generation close to major loads, reducing reliance on an intermittent-generation portfolio backed by storage or gas.
Switch says its data centers have been powered by renewable energy since January 2016. The Oklo relationship presents nuclear as an additional future source for expanding infrastructure, not as proof that renewables are being replaced. Whether a new reactor is faster or cheaper than utility procurement, existing nuclear, renewable generation with batteries, gas generation or grid upgrades will depend on the site and project economics.
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Oklo’s technology and the schedule
Oklo is developing the Aurora powerhouse, an advanced-fission system intended to produce electricity and, in some applications, heat. It is a planned product, not an operating commercial fleet. Oklo’s 2024 investor materials stated that Aurora had not been approved or licensed by the Nuclear Regulatory Commission (NRC).
Company filings cited a first-deployment target of late 2027 or early 2028, while a later filing described an ambitious 2028 target. These are targets, not guaranteed commercial-service dates. A unit expected around 2028 would not solve electricity needs that arrive in 2026 or 2027, and a multi-project portfolio extending to 2044 will require repeated successful execution.
Oklo’s fast-fission and fuel-recycling concept also depends on suitable fuel supplies and approvals for related fuel facilities. Its investor materials identify fuel-fabrication licensing and regulatory uncertainty as risks. The Switch announcement itself does not show that fuel, project capital, sites or construction contracts have been secured.
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The NRC history changes how to read the announcement
Oklo’s earlier Aurora combined-license application was denied by the NRC on January 6, 2022, without prejudice. The agency said Oklo had not supplied information needed for its review. “Without prejudice” means the company was not permanently barred from applying again; a future application would require a new, complete review and approval.
The NRC did not declare the reactor unsafe or reject advanced nuclear power generally. But the decision demonstrates that licensing is a substantive technical hurdle, not a routine filing step. The NRC’s decision release and Aurora document page are the key public records.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsHow Sam Altman fits in
Sam Altman invested in Oklo’s 2015 seed round, became associated with the company through its Y Combinator origins and served as board chair. Oklo went public through its combination with AltC Acquisition Corp. in May 2024. His profile helps explain why an advanced-nuclear company is prominent in technology and AI discussions.
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That association does not substitute for NRC approval, fuel availability, financing, engineering execution or an operating history. OpenAI is not identified as the customer, and Altman’s involvement is not a personal guarantee of the Switch framework. The background is documented by TechCrunch.
How much capacity is real today?
| Status | Capacity or claim | What it means |
|---|---|---|
| Switch framework | Up to 12 GW | Non-binding prospective capacity through 2044. |
| Earlier data-center relationships | Up to 750 MW | Letters of intent announced by Oklo, not delivered power. |
| Company-reported 2024 Aurora order book | Approximately 14.1 GW | Company-reported pipeline combining Switch and other largely non-binding commitments. |
| Licensed commercial Aurora units | Not established by the cited sources | No cited source establishes a licensed commercial unit. |
| Operating commercial Aurora units | Not established by the cited sources | The cited sources do not establish commercial operation. |
| First deployment target | Late 2027/early 2028; later described as 2028 | A company target that can slip. |
Oklo announced the earlier 750-MW data-center letters of intent before Switch. Its SEC filing reported the approximately 14.1-GW order book, but that is not independently verified operating capacity.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What has changed since December 2024?
Later company disclosures continued to reference the Switch 12-GW Master Power Agreement and discussed first-project targets around 2027–2028. They also described other development activity. A January 5, 2026 prepayment agreement with Meta for a planned 1.2-GW Ohio power campus is separate from the Switch arrangement and should not be counted as part of it; the filing is available here.
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A larger pipeline can demonstrate customer interest, but it does not turn non-binding commitments into revenue, licensed plants or delivered electricity.
What would turn the framework into a real project?
- Binding project agreement: a site-specific PPA or equivalent contract with defined volume, price, term and obligations.
- Named site and studies: land control, environmental review, cooling, security, emergency-planning and grid-interconnection work.
- NRC progress: an accepted, complete application moving through substantive review and ultimately approval.
- Financing: committed capital or project finance for construction and operations.
- Fuel arrangements: qualified supply, fabrication capability and any required regulatory approvals.
- Construction: a documented start, equipment delivery and schedule performance.
- Operation and delivery: a completed unit demonstrating reliable generation for a data-center customer.
The main risks behind the headline
- Regulatory: the 2022 denial shows that Oklo must provide sufficient technical and safety information.
- Schedule: data-center demand can be immediate, while first-of-a-kind nuclear projects take years.
- Construction: Oklo must prove Aurora can be built repeatedly, affordably and on schedule.
- Fuel: the business model depends on fuel access and approvals for fuel-related facilities.
- Financing: a non-binding framework signals demand but does not finance a plant.
- Siting and interconnection: even near-site generation faces land, environmental, grid, security and local-permitting issues.
- Economics: the relevant comparison includes existing nuclear, utility contracts, renewable-plus-storage, gas and grid upgrades; no source here establishes that Aurora will be cheapest in every use case.
Bottom line for readers
The Switch announcement validates that a major data-center operator is willing to plan around future advanced nuclear and gives Oklo an important commercial signal. It does not validate delivery of 12 GW. Until project-specific contracts, licensing, financing, fuel, construction and reliable operation appear, the accurate description is a large, long-term, non-binding framework for potential clean power—not a guaranteed supply contract for today’s data centers.
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