Raised
Private and public equity. Never added to federal money.
Deployment stage3 / 8Development
Race position
Megawatts at their strongest documented state, as of 2026-08-06.
DesignAurora
Per unit75 MWe
LaneGrid-scale SMR
ListingNYSE: OKLO
Design scaled from 15 MWe through 50 MWe to a current 75 MWe maximum.
DOE-authorized build · 75 MWe
One gigawatt is 14 × 75 MWe units. 75 MWe rest on an executed action, 8% of the way there.
Why this company is on the board: Aurora-INL under construction under the DOE Reactor Pilot Program, with a combined license application submitted to the NRC. Source ↗
Funding
Three frames, never added together.
Awarded
Federal awards and cost share. A ceiling, not cash received.
No awarded money on record.
Borrowed
Debt, repayable. Never counted as a raise, federal or private.
No borrowed money on record.
Filed, not raised
A registration filed with the SEC. The filing itself raises nothing.
No filed, not raised money on record.
Cash on hand
A balance, not a raise. Reported by the company at a stated date.
- 2026-03-31~$2.5B cash and marketable securities, no debtSource ↗
Licensing
Applications, permits and authorizations, naming the authority in each case.
- 2026-07DOE issued startup authorization for the Groves isotope test reactor, clearing fuel load and first criticalityPermit / authorization · Company-reportedSource ↗
- 2026-06DOE issued a categorical exclusion determination for Groves-1, authorizing it to take possession of nuclear fuel and operate the reactor in Caldwell County, TexasPermit / authorization · Government-reported · Describes a zero-power critical assembly with a maximum power level of 100 watts. Contributes 0 MWe.Source ↗
- 2025-09DOE approved the conceptual design for the Aurora Fuel Fabrication Facility at INL, which will feed the first Aurora corePermit / authorization · Government-reportedSource ↗
Physical progress
Work at a site. Criticalities are proof the physics works, not electricity.
- 2026-08-06Groves reached first criticality in Caldwell County, Texas, the first Reactor Pilot Program reactor to do so on private land and a greenfield site, under a year from groundbreakingCriticality · Company-reported · A zero-power critical assembly. DOE's environmental determination puts its maximum power at 100 watts, and Oklo states it does not generate electricity for the grid. Contributes 0 MWe.Source ↗
- 2025-12Fast-spectrum plutonium criticality experiment with Los Alamos National LaboratoryTest program · Company-reported · Research collaboration, not a licensed power reactor. Contributes 0 MWe.Source ↗
- 2025-09Groundbreaking on the first Aurora powerhouse at Idaho National Laboratory, under the DOE Reactor Pilot ProgramConstruction start · Company-reportedSource ↗
Program selections and agreements
Being chosen for a program, or signing one. Neither is a permit nor work at a site.
Nothing on record in this lane as of 2026-08-06.
Design proof outside the U.S.
Real progress on the same design abroad. Contributes 0 MWe to the U.S. race.
Nothing on record in this lane as of 2026-08-06.
Pipeline
Executed first. Announcements are labeled as announcements and never added to them.
Backed by an executed action
- 2025-0975 MWe · DOE-authorized buildAurora-INL, Idaho · groundbreaking 2025-09-22 under the DOE Reactor Pilot Program; NRC combined license still under review · Company-reportedSource ↗
Announced, non-binding
- 2026-011,200 MWeMeta · Pike County, Ohio; first phase stated as early as 2030, full capacity 2034 · Company-reportedSource ↗
- 2025-065 MWeEielson Air Force Base, Alaska · notice of intent to award; contract pending a final NRC license · Press-reportedSource ↗
- 2025-0450 MWeDiamondback Energy · non-binding letter of intent toward a 20-year power agreement near Midland, Texas · Company-reportedSource ↗
- 2024-1212,000 MWeSwitch master power agreement · stated 12 GW by 2044, individual power contracts still to be signed · Company-reportedSource ↗
- 2024-04500 MWeEquinix · letter of intent with a $25M prepayment and a right of first refusal · Press-reportedSource ↗
Company-stated targets
What the company says, printed beside what a regulator has documented. The site never averages a target into a prediction.
- Stated 2025-03First commercial Aurora-INL plant in late 2027 to early 2028Documented state today: DOE-authorized build · 75 MWe · Company-reportedTarget source ↗
TechnologyFast microreactors
Reactor classesGen IV · Microreactor / Gen IV · Test reactor
Tracked projects2
Highest deployment stage3 · Development
Primary sourceDOE Reactor Pilot Program roster ↗
Projects and next steps
2 trackedIdaho National Laboratory
Aurora pilot reactor
CurrentDOE identified the Aurora reactor at Idaho National Laboratory in its contractor variance package.
Next stepComplete DOE authorization, site work, construction, fuel readiness, and critical testing.Savannah River Site, South CarolinaPluto pilot reactor
CurrentDOE identified the Pluto reactor and Advanced Fuels Foundry location in its contractor variance package.
Next stepComplete DOE authorization, fuel-facility integration, construction, and critical-test readiness.