Quoted exactly and dated only as precisely as the source. Copies of one release count as one origin. A withdrawn statement stays visible and is labelled.
11 June 2026 · Permissions · Whole project
Permission issued
DOE site use permit at INL for the Aurora powerhouse (a site permit, not a construction or operating authorization)
Company reported Oklo · Authority: U.S. Department of Energy · Jurisdiction: United States (federal)
“Aurora-INL will be the first of Oklo’s planned fast fission power plants and has been granted access to recovered fuel from the Experimental Breeder Reactor-II (EBR-II) following a competitive DOE process launched in 2019, the same year Oklo received a site-use permit at INL for the Aurora powerhouse.”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
2025 · Construction · Whole project
Construction
Construction began in 2025 (Oklo project page, undated)
Company reported Oklo
“Development activities are underway. Construction began in 2025, with commercial deployment targeted for 2028.”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
Target stated 24 March 2025 · Operational delivery · Whole project
Target: commercial operation, Date not disclosed
Original target: first Aurora powerhouse deployment completed "in late 2027 or early 2028"
Company reported Oklo (SEC Form 10-K, 2024)
“The deployment of our first Aurora powerhouse is targeted for completion in late 2027 or early 2028.”
Source: Oklo (SEC Form 10-K, 2024) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
24 March 2025 · Permissions · Whole project
Permission issued
DOE/INL Environmental Compliance Permit covering site characterization (not a construction authorization)
Company reported Oklo (SEC Form 10-K, 2024) · Authority: U.S. Department of Energy and Idaho National Laboratory · Jurisdiction: United States (federal)
“The DOE and INL have completed the environmental compliance process addressing the DOE requirements for site characterization at our first commercial advanced fission power plant site at the INL. This process, resulting in an Environmental Compliance Permit, marks a milestone”
Source: Oklo (SEC Form 10-K, 2024) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
12 November 2025 · Permissions · Whole project
Application accepted for review
Selected under DOE's Reactor Pilot Program to proceed on the DOE authorization pathway (a selection, not an authorization)
Company reported Oklo (SEC Form 10-Q, Q3 2025) · Authority: U.S. Department of Energy · Jurisdiction: United States (federal)
“on August 13, 2025, Oklo and Atomic Alchemy were selected by the DOE for three of the eleven projects awarded under the newly established RPP. Oklo was selected for two projects, and Atomic Alchemy for one project. Among these, the Aurora–INL powerhouse was approved to proceed under DOE purview”
Source: Oklo (SEC Form 10-Q, Q3 2025) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
22 September 2025 · Construction · Whole project
Site work
Groundbreaking ceremony at INL
Company reported Oklo
“today holds a groundbreaking ceremony at Idaho National Laboratory (INL) for its first Aurora powerhouse, the Aurora-INL.”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
22 September 2025 · Technical milestones · Whole project
Design disclosed
Reactor type, fuel and design heritage
Company reported Oklo
“The Aurora-INL is a sodium-cooled fast reactor that uses metal fuel and builds on the design and operating heritage of the Experimental Breeder Reactor II (EBR-II), which ran in Idaho from 1964 to 1994.”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
7 August 2026 · Permissions · Whole project
Permission issued
DOE approval of the Nuclear Safety Design Agreement (a DOE design-stage safety step; not authorization to operate)
Company reported Oklo (SEC Form 10-Q, Q2 2026) · Authority: U.S. Department of Energy · Jurisdiction: United States (federal)
“Early in 2026, the DOE approved the Nuclear Safety Design Agreement for Aurora-INL.”
Source: Oklo (SEC Form 10-Q, Q2 2026) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
17 March 2026 · Permissions · Whole project
Application submitted
Nuclear Safety Design Agreement and Preliminary Documented Safety Analysis submitted to DOE (first two of five DOE steps)
Company reported Oklo (SEC Form 10-K, 2025) · Authority: U.S. Department of Energy · Jurisdiction: United States (federal)
“we have also submitted the Nuclear Safety Design Agreement and the Preliminary Documented Safety Analysis to the DOE for the Aurora powerhouse at INL ("Aurora-INL"), which represent the first two of five steps in the DOE regulatory pathway for nuclear facility operation.”
Source: Oklo (SEC Form 10-K, 2025) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
17 March 2026 · Permissions · Whole project
Conditional
Provisional acceptance of a specific site location at INL, with uncharacterized site conditions still a risk
Company reported Oklo (SEC Form 10-K, 2025) · Authority: U.S. Department of Energy · Jurisdiction: United States (federal)
“with respect to our Aurora powerhouse at INL, the Company has been granted a site use permit and provisional acceptance for a specific location; the provisional acceptance still exposes us to significant uncertainty based on pre-existing uncharacterized site conditions, which could impact our deployment timelines.”
Source: Oklo (SEC Form 10-K, 2025) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
6 May 2026 · Permissions · Whole project
Permission issued
NRC approval of Oklo's Principal Design Criteria topical report for the Idaho Aurora powerhouse (a design-criteria report for future applications; not a permit or licence)
Company reported Oklo · Authority: U.S. Nuclear Regulatory Commission · Jurisdiction: United States (federal)
“announced today that the U.S. Nuclear Regulatory Commission (NRC) has approved the Principal Design Criteria (PDC) topical report for the Aurora powerhouse currently under construction in Idaho.”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
11 June 2026 · Permissions · Whole project
Permission issued
DOE Idaho Operations Office approval of the Preliminary Documented Safety Analysis under the Reactor Pilot Program (not authorization to operate)
Company reported Oklo · Authority: U.S. Department of Energy, Idaho Operations Office · Jurisdiction: United States (federal)
“today announced that the U.S. Department of Energy’s (DOE’s) Idaho Operations Office has approved the Preliminary Documented Safety Analysis (PDSA) for Oklo’s Aurora powerhouse at Idaho National Laboratory (INL) under DOE’s Reactor Pilot Program (RPP).”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
7 August 2026 · Permissions · Whole project
Pre-application engagement
NRC: engagement only; no Aurora-INL licence application filed, timing and form still being evaluated
Company reported Oklo (SEC Form 10-Q, Q2 2026) · Authority: U.S. Nuclear Regulatory Commission · Jurisdiction: United States (federal)
“We continue to engage with the NRC and advance activities that may support an NRC license for Aurora-INL and future commercial deployments. We are evaluating the timing and form of future NRC applications”
Source: Oklo (SEC Form 10-Q, Q2 2026) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
Target stated Date stated not shown on the source · Operational delivery · Whole project
Target: commercial operation, 2028
Aurora-INL commercial deployment targeted for 2028 (Oklo project page, undated)
Company reported Oklo
“Development activities are underway. Construction began in 2025, with commercial deployment targeted for 2028.”
Source: Oklo ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
Target stated 12 November 2025 · Operational delivery · Whole project
Target: commercial operation, 2028
Revised target: first powerhouse deployed in 2028
Company reported Oklo (SEC Form 10-Q, Q3 2025)
“We have an ambitious target of deploying our first powerhouse in 2028 amidst a range of supply chain, macroeconomic, and design complexities.”
Source: Oklo (SEC Form 10-Q, Q3 2025) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
Target stated 7 August 2026 · Operational delivery · Whole project
Target: commercial operation, 2028
Target restated in August 2026: first powerhouse in 2028
Company reported Oklo (SEC Form 10-Q, Q2 2026)
“We have an ambitious target of deploying our first powerhouse in 2028 amidst a range of supply chain, construction, macroeconomic, and design complexities.”
Source: Oklo (SEC Form 10-Q, Q2 2026) ↗ · Open in the ledger · What this does and does not establish · source read 11 November 2026
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