THTR-300
THTR-300, nuclear power plant in Germany, operated one high-temperature gas reactor between 1987 and 1988 and is now shut down.
- Country
- Germany
- Units
- 1
- Technology
- HTGR
- Net capacity
- —
- First grid connection
- 1987
- Operator
- Hochtemperatur-Kernkraftwerk
- Owner
- Hochtemperatur-Kernkraftwerk GmbH
- Status
- Shut down
See also: alerts for this plant · every plant in Germany · every HTGR reactor · how a HTGR works
Operating capacity
0 MWe
net electrical
Units
1
0 operating
First start-up
1987

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| THTR-300 | High-temperature gas (HTGR) | Pebble bed reactor (THTR-300) (Pebble bed reactor) | Shut down | 296 | 760 | May 3, 1971 | Nov 1985 | Sep 1988 | — |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
THTR-300, a 296 MWe HTGR (Pebble bed reactor (THTR-300) (Pebble bed reactor)), started construction in 1971 and operated from 1985 to 1988.
Operator: Hochtemperatur-Kernkraftwerk.
Owner: Hochtemperatur-Kernkraftwerk GmbH.