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Kairos Hermes 2 Demonstration Plant

PRJ-0250 · Site · Oak Ridge, Tennessee, United States

Record last updated Oct 28, 2026

Scope and capacity

On September 21, 2026, Kairos Power announced a binding term sheet with Samsung C&T for up to $100 million in direct investment and in-kind engineering support, subject to approvals, and integrated engineering, procurement and construction collaboration for Hermes 2. The announcement is not evidence that the full amount has closed or been paid in cash; it is the same transaction cross-referenced by the Oak Ridge parent campus. First Google-linked power-producing Kairos deployment, now described as one 50-MWe reactor targeting 2030 operation. Kairos Hermes 2 Demonstration Plant is in Oak Ridge, TN, US and is a generation site with under construction status.

Headline: Not established in published records

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Current output · 50 MWe

Source report · Kairos Hermes 2 Demonstration Plant (Project)

Claim 23741 · Recorded claim type: Not stated · Review: Approved · Claim date: Aug 18, 2025

  1. Our first advanced nuclear reactor project with Kairos Power and TVA

    Google · Document date: Aug 18, 2025 · Primary

    Source reference: SRC-1327

    Source URL

    https://blog.google/company-news/outreach-and-initiatives/sustainability/google-first-advanced-nuclear-reactor-project-with-kairos-power-and-tennessee-valley-authority/

  2. Google, Kairos Power, TVA collaborate to meet America's growing energy needs

    Kairos Power · Document date: Aug 18, 2025 · Corroborating

    Source reference: SRC-1328

    Source URL

    https://www.kairospower.com/updates/google-kairos-power-tva-collaborate-to-meet-americas-growing-energy-needs

  3. Kairos Power iterative development

    Kairos Power · Document date: Not stated · Corroborating

    Source reference: SRC-1331 · Company announcement

    Source URL

    https://www.kairospower.com/iterative-development

Current unit count · 1 reactor

Design · Kairos Hermes 2 Demonstration Plant (Project)

Claim 23742 · Recorded claim type: Design · Review: Approved · Claim date: Not stated

  1. Clean Electricity for the Tennessee Valley

    Kairos Power · Document date: Oct 21, 2025 · Corroborating

    Source reference: SRC-1329

    Source URL

    https://www.kairospower.com/updates/clean-electricity-for-the-tennessee-valley

  2. Google, Kairos Power, TVA collaborate to meet America's growing energy needs

    Kairos Power · Document date: Aug 18, 2025 · Primary

    Source reference: SRC-1328

    Source URL

    https://www.kairospower.com/updates/google-kairos-power-tva-collaborate-to-meet-americas-growing-energy-needs

  3. Kairos Power iterative development

    Kairos Power · Document date: Not stated · Corroborating

    Source reference: SRC-1331 · Company announcement

    Source URL

    https://www.kairospower.com/iterative-development

Operations target · 2030

Forecast · Kairos Hermes 2 Demonstration Plant (Project)

Claim 23743 · Recorded claim type: Forecast · Review: Approved · Claim date: Not stated

  1. Our first advanced nuclear reactor project with Kairos Power and TVA

    Google · Document date: Aug 18, 2025 · Primary

    Source reference: SRC-1327

    Source URL

    https://blog.google/company-news/outreach-and-initiatives/sustainability/google-first-advanced-nuclear-reactor-project-with-kairos-power-and-tennessee-valley-authority/

  2. Google, Kairos Power, TVA collaborate to meet America's growing energy needs

    Kairos Power · Document date: Aug 18, 2025 · Corroborating

    Source reference: SRC-1328

    Source URL

    https://www.kairospower.com/updates/google-kairos-power-tva-collaborate-to-meet-americas-growing-energy-needs

PPA status · Binding PPA between Kairos Power and TVA

Source report · Kairos Hermes 2 Demonstration Plant (Project)

Claim 23744 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. The Time is Now

    Kairos Power · Document date: May 28, 2026 · Corroborating

    Source reference: SRC-1330

    Source URL

    https://www.kairospower.com/updates/the-time-is-now

  2. Our first advanced nuclear reactor project with Kairos Power and TVA

    Google · Document date: Aug 18, 2025 · Primary

    Source reference: SRC-1327

    Source URL

    https://blog.google/company-news/outreach-and-initiatives/sustainability/google-first-advanced-nuclear-reactor-project-with-kairos-power-and-tennessee-valley-authority/

  3. Google, Kairos Power, TVA collaborate to meet America's growing energy needs

    Kairos Power · Document date: Aug 18, 2025 · Corroborating

    Source reference: SRC-1328

    Source URL

    https://www.kairospower.com/updates/google-kairos-power-tva-collaborate-to-meet-americas-growing-energy-needs

Groundbreaking date · 2026-04-17

Actual · Kairos Hermes 2 Demonstration Plant (Project)

Claim 23746 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. The Time is Now

    Kairos Power · Document date: May 28, 2026 · Primary

    Source reference: SRC-1330

    Source URL

    https://www.kairospower.com/updates/the-time-is-now

  2. One Year After Executive Orders, U.S. Nuclear Energy Renaissance

    U.S. Department of Energy · Document date: May 23, 2026 · Corroborating

    Source reference: SRC-1334

    Source URL

    https://www.energy.gov/ne/articles/one-year-after-executive-orders-us-nuclear-energy-renaissance-full-swing

Grid delivery structure · TVA grid injection with Google clean energy attributes

Source report · Kairos Hermes 2 Demonstration Plant (Project)

Claim 23747 · Recorded claim type: Not stated · Review: Approved · Claim date: Not stated

  1. Our first advanced nuclear reactor project with Kairos Power and TVA

    Google · Document date: Aug 18, 2025 · Primary

    Source reference: SRC-1327

    Source URL

    https://blog.google/company-news/outreach-and-initiatives/sustainability/google-first-advanced-nuclear-reactor-project-with-kairos-power-and-tennessee-valley-authority/

  2. Google, Kairos Power, TVA collaborate to meet America's growing energy needs

    Kairos Power · Document date: Aug 18, 2025 · Corroborating

    Source reference: SRC-1328

    Source URL

    https://www.kairospower.com/updates/google-kairos-power-tva-collaborate-to-meet-americas-growing-energy-needs

Counterparties and capital

Google · Customer · CMP-0112

Kairos Power LLC · Developer · CMP-0673

Tennessee Valley Authority · Utility provider · CMP-0674

U.S. Nuclear Regulatory Commission · Government authority · CMP-0421

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.