Hermes nuclear power plant 1
Gross capacity
50MW
Hermes nuclear power plant 1 is a small modular reactor unit at Hermes nuclear power plant in United States rated at 50 MW gross. It is under construction. Commercial operation began 1 Jan 2027.
Specification
| Reactor type | small modular reactor |
|---|---|
| Model | KP-FHR |
| Size | Small300 MWe or less
The source tracker records it as a small modular reactor.
|
| Coolant | not disclosed |
| Moderator | not disclosed |
| Gross capacity | 50MW |
| Net capacity (reference) | not disclosed |
| Net capacity (design) | not disclosed |
| Thermal output | not disclosed |
| NSSS vendor | not on record |
| Typical enrichment | not disclosed |
Ownership & location
| Site | Hermes nuclear power plant |
|---|---|
| Unit | 1 |
| Country | United States |
| Owner | Kairos Power100% |
| Coordinates | 35.9378, -84.4033approximate |
Fuel chain for this unit
Fuel form
not established for this unit's type
Enrichment
not established
Upstream
Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.
Fabricator capability is recorded against reactor type and model line, not against named units,
utilities do not publish fuel contracts. See the fuel chain.
Timeline
- 1 Jan 2027Commercial operation
Other units at Hermes nuclear power plant
| Unit | Status | Gross MW |
|---|---|---|
| Hermes nuclear power plant 2a | Pre-construction | 25 |
| Hermes nuclear power plant 2b | Pre-construction | 25 |
Other KP-FHR units
5 units worldwide share this model designation.
| Unit | Country | Status | Gross MW |
|---|---|---|---|
| Hermes nuclear power plant 2a | United States | Pre-construction | 25 |
| Hermes nuclear power plant 2b | United States | Pre-construction | 25 |
| Kairos Power Texas A&M nuclear power plant 1 | United States | Announced | 75 |
| Kairos Power Texas A&M nuclear power plant 2 | United States | Announced | 75 |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release , CC BY 4.0 · retrieved 2026-09-06 · this unit last researched by GEM on 2026-06-27
- GEM.wiki entry (further reading) , CC BY-SA 4.0, linked, not quoted
How these sources are used, including the corrections applied on top of them and what is deliberately left blank · download the underlying data