Query
Middletown
Type
Entity Briefing
Entity
Middletown
Generated
2026-10-10T09:11:33.794Z

Briefing on Middletown

Entity Briefing
Generated Oct 10, 2026·Dataset freshness not reported
786 MW
Capacity
Out of service
Current status
1958
Operating since
4
Generators
0.6%
Capacity factor
41 GWh
Annual generation
Briefing/plantOut of service

Middletown is a 786 MW Natural Gas Steam Turbine asset in ISO New England, currently Out of service.

Middletown is reported in Connecticut since 1958 under Middletown Power LLC. Available operating and financial measures include 0.6% capacity factor and 41 GWh annual generation; $765/kW reported CapEx.

Location
Middlesex, Connecticut
Technology
Natural Gas Steam Turbine, Petroleum Liquids
Owner / parent
Middletown Power LLC
Operator
Middletown Power LLC
Grid
ISO New England
Plant ID
562

What stands out

1

Middletown is a 786 MW Natural Gas Steam Turbine asset in Connecticut with status Out of service.

2

Latest annual operating measures report 0.6% capacity factor and 41 GWh annual generation.

3

Available financial measures include $765/kW CapEx.

4

Latest linked story: “Workers Killed In Kleen Energy Explosion To Be Remembered 15 Years Later” (CT News Junkie, 2025-01-31).

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#1 of 3
National rank
#4 of 14

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.