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Deep Fission signs LOIs representing 18.5 GW of potential generation capacity

Deep Fission (FISN) signed letters of intent with data centers, co-developers, industrial parks, and strategic partners representing up to 18.5 GW of potential generation capacity [1]. The company's shares rose 13.5% in pre-market trading following the announcement [1].

Deep Fission () signed letters of intent with data centers, co-developers, industrial parks, and strategic partners representing up to 18.5 GW of potential nuclear generation capacity [1]. The company announced the agreements Wednesday, without disclosing the identities of counterparties or the timeline for converting the non-binding commitments into firm contracts.

Shares rose 13.5% in pre-market trading following the announcement [1]. The 18.5 GW figure represents potential capacity under the LOIs, not installed or committed capacity. Deep Fission has not previously disclosed a backlog or contracted capacity baseline, making direct comparison to prior expectations unavailable from public filings.

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