Public but pre-revenue advanced-fission developer (NYSE: OKLO), taken public in 2024 via Sam Altman's AltC SPAC. Its sodium-cooled Aurora microreactor (up to 75 MWe, EBR-II heritage) is under construction at Idaho National Laboratory under DOE authority, with first power targeted for 2027 and no NRC operating license yet. A ~14 GW data-center pipeline, anchored by non-binding frameworks with Switch (~12 GW) and Meta (~1.2 GW), is mostly letters of intent, not contracted revenue. Build-own-operate model; ~$1.4B cash, no debt, no revenue.
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