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Kairos Hermes Reactors

Sector: Nuclear • Location: Tennessee, United States

Source: The Breakthrough Institute

Project
Under Construction

Two Kairos Hermes small advanced nuclear reactors are currently being built in Tennessee, USA. These are first-of-a-kind reactors facing typical challenges such as delays and high costs, but represent practical deployment of advanced nuclear technology.

Status
Under Construction
Sector
Nuclear, Power Generation (CCGT)
Location
Tennessee, United States of America
Updated
22 Jul 2026
Source
The Breakthrough Institute

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Project Information

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The project “Kairos Hermes Reactors” is an infrastructure initiative in the Nuclear sector, located in Tennessee, United States. Taiyo aggregates data on it from The Breakthrough Institute.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Two Kairos Hermes small advanced nuclear reactors are currently being built in Tennessee, USA. These are first-of-a-kind reactors facing typical challenges such as delays and high costs, but represent practical deployment of advanced nuclear technology.

Original sector

Energy

Location

Country

United States of America (USA)

State

Tennessee

Source

Source

The Breakthrough Institute

URL

More Details

Record type

Project

Sector

Nuclear, Power Generation (CCGT)

Article published date

2026-04-30

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