Query
Westbrook Energy Center Power Plant
Type
Entity Briefing
Entity
Westbrook Energy Center Power Plant
Generated
2026-10-17T08:49:51.319Z

Briefing on Westbrook Energy Center Power Plant

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
564 MW
Capacity
Operating
Current status
2001
Operating since
3
Generators
68.5%
Capacity factor
3388 GWh
Annual generation
Briefing/plantOperating

Westbrook Energy Center Power Plant is a 564 MW Natural Gas Fired Combined Cycle asset in ISO New England, currently Operating.

Westbrook Energy Center Power Plant is reported in Maine since 2001 under Constellation Energy. Available operating and financial measures include 68.5% capacity factor and 3388 GWh annual generation; $965/kW reported CapEx.

Location
Cumberland, Maine
Technology
Natural Gas Fired Combined Cycle
Owner / parent
Constellation Energy
Operator
Westbrook Energy Center
Grid
ISO New England
Plant ID
55294

What stands out

1

Westbrook Energy Center Power Plant is a 564 MW Natural Gas Fired Combined Cycle asset in Maine with status Operating.

2

Latest annual operating measures report 68.5% capacity factor and 3388 GWh annual generation.

3

Available financial measures include $965/kW CapEx.

4

Latest linked story: “Crews respond to fire at Calpine Westbrook Energy Center” (newscentermaine.com, 2022-12-12).

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#1 of 5
National rank
#450 of 2,025

Why it matters

For this asset in ISO New England, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.