Westbrook Energy Center Power Plant
Westbrook Energy Center Power Plant is a natural gas plant in Cumberland County, Maine, operated by Westbrook Energy Center. It ranks second by nameplate capacity among Maine’s 274 power plants. It is the biggest of Maine’s 5 natural gas plants. Its biggest unit, rated at 196 MW, is the second-largest single generator in Maine.
Nameplate capacity, 2025
564 MW
527 MW net summer capacity
3 operable units
- Gas combined cycle564 MW100%
Unit by unit, 2001 to 2025
operating in 2025bar height follows unit size
Unit GTG1 Gas combined cycle, 184 MW, 2001
Unit GTG2 Gas combined cycle, 184 MW, 2001
Unit STG3 Gas combined cycle, 196 MW, 2001
Among Maine’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1William F Wyman Hybrid863 MW
- 2Westbrook Energy Center Power Plantthis plant
- 3Maine Independence Station550 MW
- 4Rumford Power LLC274 MW
Other rankings
- All US power plants
- 658th of 14,286
- US natural gas plants
- 415th of 1,961
- Plants in the ISO New England balancing area
- 21st of 1,475
Operable units
By the year its oldest working unit started, it is the third-oldest of Maine’s natural gas plants.
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| GTG1 | Gas combined cycle | 184 MW | 172 MW | 2001 | Operating |
| GTG2 | Gas combined cycle | 184 MW | 173 MW | 2001 | Operating |
| STG3 | Gas combined cycle | 196 MW | 182 MW | 2001 | Operating |
Grid and site
- Balancing area
- ISO New England
- Reliability region
- Northeast Power Coordinating Council
- Highest grid connection voltage
- 118 kV
- Water source
- Portland Water District
- Nearest town on record
- Westbrook
- Operator type
- Independent producer
- Coordinates
- 43.657°N, 70.375°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Gorham Solar 1 (CSG) | Solar | 5 MW | 1.8 mi west |
| Regional Waste Systems | Biomass and waste | 13.3 MW | 2.0 mi east |
| Cross Town Energy Storage | Battery storage | 175 MW | 2.1 mi northwest |
| S D Warren Westbrook | Biomass and waste | 69.7 MW | 2.2 mi northeast |
| BWC Beech Ridge Brook, LLC | Solar | 5 MW | 3.4 mi southwest |
| MEVS Waterhouse | Solar | 2 MW | 5.1 mi south |
| Cape Gas Turbine | Oil and petroleum | 35 MW | 6.1 mi east |
| North Gorham | Hydroelectric | 2.2 MW | 10.7 mi north |