How big is Delaware City Plant?

Delaware City Plant has a reported capacity of 249 MW. Source: EIA Form 860M.

What kind of plant is Delaware City Plant?

Delaware City Plant is a Natural Gas Fired Combustion Turbine, Other Gases facility in New Castle County, DE, participating in the PJM market.

Where is Delaware City Plant located?

Delaware City Plant is in New Castle County, DE, inside the PJM balancing area.

Who operates Delaware City Plant?

Delaware City Plant is operated by Delaware City Refining Company LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Delaware City Plant generate?

Delaware City Plant reported 1,125 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Delaware City Plant compare to other plants?

By capacity, Delaware City Plant ranks #262 of 825 operating plants of the same technology nationally. It ranks #1 of 4 in DE.

Delaware City Plant — 249 MW gas plant, DE

Ask the Grid/

Create free workspace

Ask the Grid

Create free workspace

Delaware City Plant — 249 MW gas plant, DE · Ask the Grid

Overview

Nameplate capacity: 249 MW
Canonical EIA plant baseline.
Registry anchor: Plant 52193
plant-52193

Structured profile

Technology: Natural Gas Fired Combustion Turbine, Other Gases
Operator: Delaware City Refining Company LLC

Related assets

Similar plants ranked by technology, capacity, and distance.

Cumberland (NJ)

Natural Gas · 231.2 MW

Cumberland County

Same typeComparable scale39 mi away

Compare with this plant

Burlington Generating Station

Natural Gas · 242 MW

Burlington County

Same typeComparable scale52 mi away

Compare with this plant

Units and generators

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

Generator	Capacity	Technology	Operation	Status
CT1	92 MW 65 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2000	Operating
CT2	92 MW 65 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2000	Operating
G1	27.5 MW 29.5 MW summer	Other Gases Other Gas · ST	Oct 1956	Operating
G2	27.5 MW 29.5 MW summer

Performance

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

Peer context

Technology capacity: 184 MW
National rank: #262
DE rank: #1

Monthly generation

Download CSV

Latest 12 months

1.12 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

52.0%

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

UNKNOWN129073

IN SERVICE · 138 kV

0.8 km

UNKNOWN129069

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

Construction Completion

2001

A $400 million repowering project was constructed to produce electricity and steam from refinery petroleum coke. The associated system included a petroleum-coke gasifier and a cogeneration facility described at the time as 180 MW.

$400.0MDelaware City Refinery

sec.gov

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.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operator

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Oct 1956
Oct 1956
Generators enter operationEIA-860
EIA-860 lists generator G1, generator G2 with this operating date.
Nov 1961
Nov 1961
Generator enters operation

Delaware City Plant