How big is Cumberland (NJ)?

Cumberland (NJ) has a reported capacity of 231.2 MW. Source: EIA Form 860M.

What kind of plant is Cumberland (NJ)?

Cumberland (NJ) is a Natural Gas Fired Combustion Turbine facility in Cumberland County, NJ, participating in the PJM market.

Where is Cumberland (NJ) located?

Cumberland (NJ) is in Cumberland County, NJ, inside the PJM balancing area.

Who operates Cumberland (NJ)?

Cumberland (NJ) is operated by Calpine New Jersey Generation LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Cumberland (NJ) generate?

Cumberland (NJ) reported 59.9 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Cumberland (NJ) compare to other plants?

By capacity, Cumberland (NJ) ranks #229 of 825 operating plants of the same technology nationally. It ranks #6 of 25 in NJ.

Cumberland (NJ) — 231 MW gas plant, Cumberland County, NJ

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Cumberland (NJ) — 231 MW gas plant, Cumberland County, NJ · Ask the Grid

Overview

Nameplate capacity: 231.2 MW
Canonical EIA plant baseline.
Registry anchor: Plant 5083
plant-5083

Structured profile

Technology: Natural Gas Fired Combustion Turbine
Operator: Calpine New Jersey Generation LLC

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Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
CUMB	99.4 MW 86.9 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 1990 Retirement: Jun 2027	Operating
CUMB2	131.8 MW 100 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	Jun 2009	Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 231.2 MW
National rank: #229
NJ rank: #6

Monthly generation

Download CSV

Latest 12 months

59.9 GWh

Reported net generation

Latest report

Dec 2024

EIA-923 monthly filing

2024 capacity factor

2.9%

Using current reported nameplate capacity

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

UNKNOWN132614

IN SERVICE · 230 kV

0.1 km

UNIOIN STATION

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Acquisition

Jul 1, 2010

Calpine Corporation, through its wholly owned indirect subsidiary New Development Holdings, LLC, completed the acquisition from Conectiv, LLC (a wholly owned subsidiary of Pepco Holdings, Inc.) of all membership interests in Conectiv Energy Holding Company, LLC. This portfolio transaction included Cumberland 1 and 2 among 18 operating power plants and one under construction, with aggregate financing, legal, and closing costs of approximately $95 million.

Calpine Corporation · New Development Holdings, LLC · Conectiv, LLC · Pepco Holdings, Inc.

getfilings.com

Regulatory Filing

Aug 26, 2024

Calpine New Jersey Generation LLC submitted a Notice of Deactivation to PJM Interconnection for Cumberland CT 1, citing finalized New Jersey carbon-emissions regulations and the facility's inability to perform in the 2027/2028 delivery year.

Calpine New Jersey Generation LLC · PJM Interconnection, LLC

pjm.com

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Parties and identifiers

OrganizationRoleBasis

Constellation Energy CorporationParent companyCorporate parent

Conectiv, LLCPortfolio former ownerFinancing covers a portfolio that includes Cumberland (NJ).

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

May 1990
May 1990
Generator enters operationEIA-860
EIA-860 lists generator CUMB with this operating date.
Jun 2009
Jun 2009
Generator enters operation

Reporting portfolio

EIA reporting entity

Calpine New Jersey Generation LLC

Entity 56606

Operating portfolio

2 plants

1 states

Reported capacity

344 MW

Natural Gas Fired Combustion Turbine

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Cumberland (NJ)Current	231.2 MW	NJ
Sherman Avenue	112.8 MW	NJ

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Cumberland (NJ)