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PPAAnnouncedPress / newsAugust 19, 2025

Hermes 2 advanced nuclear reactor — 50 MW at Oak Ridge, Tennessee

First time a US utility (TVA) has entered a PPA to buy power from a Gen IV reactor. 50 MW output to TVA grid powering Google data centers in TN and AL. Kairos increased output from 28 MWe to 50 MWe.

50MW

Capacity

Nuclear

Technology

TN

Location

Project: Hermes 2 advanced nuclear reactorAsset profile →

Deal Details

Deal Type
Power Purchase & Offtake
Seller / Sponsor
Kairos Power
Buyer / Financier
Google (via TVA)
Offtaker
Google (via TVA)
Deal Value
Undisclosed
Stage
Development (COD 2030)
ISO/RTO
TVA
Tenor
Long-term

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