Private company

Kairos Power

Logo: kairospower.com3

American nuclear energy company

Kairos Power LLC is an American nuclear energy company founded in 2016 that is developing fluoride salt-cooled high-temperature reactors (FHRs), a type of molten-salt reactor, in a small modular reactor (SMR) form factor.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2016Founded1
  • Industryenergy industry1
  • HeadquartersAlameda1
  • Websitekairospower.com
  • Legal formlimited liability company1

Kairos Power LLC is an American nuclear energy company founded in 2016 that is developing fluoride salt-cooled high-temperature reactors (FHRs), a type of molten-salt reactor, in a small modular reactor (SMR) form factor.2

Timeline

  1. 2016Founded Founded1

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$138.8M 2020–2025
Money received by yearMoney received by year, 2020–2025: $138.8M in all. Federal grants $500.0K; PPP loans $3.3M; Other federal assistance $135.0M.$0$25M$50M$75M$100M2020 · Federal grants: $500.0K2020 · PPP loans: $3.3M202020222024 · Other federal assistance: $100.0M20242025 · Other federal assistance: $35.0M2025
Figures by year
YearFederal grantsPPP loansOther federal assistanceTotal
2025––$35.0M$35.0M
2024––$100.0M$100.0M
2020$500.0K$3.3M–$3.8M

Federal awards

Obligated amounts from USAspending.gov4, by calendar year, 2020–2025, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest grants

  1. Mar 26, 2020$500.0K from Department of Energy: Nuclear Energy Research, Development And Demonstration5 To KAIROS POWER LLC Award DENE0008862

PPP loans

Paycheck Protection Program loans of $150,000 and up, approved April 2020 to July 2021, from the SBA6. Matched to this company by name and state.

  1. Apr 13, 2020$3.3M PPP loan (first draw) from Readycap Lending, LLC6To KAIROS POWER LLC, Alameda CA; $3.1M forgiven Jul 17, 2023

Sources

The numbers on this page point here. Each one links to the record it came from.

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    Company websiteKairos Power logo
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