United States · 42.074, -89.282Byron
Byron, nuclear power plant in United States, operates 2 pressurized water reactors with 2,300 MW net installed capacity and has been in service since 1985.
Unit Byron 1 has been operating for 41 years, since 1985. Its 2,300 MW net are enough to supply about 7,250,000 households.
- Country
- United States
- Units
- 2
- Technology
- PWR
- Net capacity
- 2,300 MWe
- First grid connection
- 1985
- Operator
- Exelon Generation
- Owner
- Exelon Corp
- Status
- Operating
See also: alerts for this plant · every plant in United States · Nuclear power plants in Illinois · Vendor: Westinghouse · every PWR reactor · how a PWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Licence until | Load factor |
|---|---|---|---|---|---|---|---|---|---|---|
| Byron 1 | Pressurized water (PWR) | Westinghouse 4-loop (WH 4LP) | Operating | 1,164 | 3,645 | Apr 1, 1975 | Mar 1, 1985 | — | Oct 31, 2044 | 94.3 % (2024) |
| Byron 2 | Pressurized water (PWR) | Westinghouse 4-loop (WH 4LP) | Operating | 1,136 | 3,645 | Apr 1, 1975 | Feb 6, 1987 | — | Nov 6, 2046 | 96.7 % (2023) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Byron 1, a 1,164 MWe PWR (Westinghouse 4-loop (WH 4LP)), started construction in 1975, was connected to the grid in 1985 and is still operating, with a 94.3% load factor in 2024.
Byron 2, a 1,136 MWe PWR (Westinghouse 4-loop (WH 4LP)), started construction in 1975, was connected to the grid in 1987 and is still operating, with a 96.7% load factor in 2023.
Operator: Exelon Generation.
Owner: Exelon Corp (Byron 1, Byron 2).