How big is Hamilton Patriot Generation Plant?

Hamilton Patriot Generation Plant has a reported capacity of 870 MW. Source: EIA Form 860.

What kind of plant is Hamilton Patriot Generation Plant?

Hamilton Patriot Generation Plant is a Natural Gas Fired Combined Cycle facility in Lycoming County, PA, participating in the PJM market.

Where is Hamilton Patriot Generation Plant located?

Hamilton Patriot Generation Plant is in Lycoming County, PA, inside the PJM balancing area.

Who operates Hamilton Patriot Generation Plant?

Hamilton Patriot Generation Plant is operated by Hamilton Operating Services, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Hamilton Patriot Generation Plant generate?

Hamilton Patriot Generation Plant reported 5,553 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.

How does Hamilton Patriot Generation Plant compare to other plants?

By capacity, Hamilton Patriot Generation Plant ranks #124 of 538 operating plants of the same technology nationally. It ranks #10 of 26 in PA.

Hamilton Patriot Generation Plant — 870 MW gas plant, PA

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Hamilton Patriot Generation Plant — 870 MW gas plant, PA · Ask the Grid

Overview

Reported capacity: 870 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Fired Combined Cycle
Primary generation technology.
Registry anchor: Plant 58426
Hamilton Operating Services, LLC · Lycoming County · PJM
Operating status: Operating
Hamilton Patriot Generation Plant is operating.

Profile

Grid role: IPP non-CHP natural-gas combined-cycle generation in the PJM balancing area.
Context: Hamilton Patriot is a baseload natural-gas combined-cycle asset serving the PJM Interconnection, described as part of the largest U.S. power market. The plant is located within PJM's 5004/5005 and AP South submarkets and supplies power to eastern PJM.
Physical build: Two single-shaft natural-gas combined-cycle power trains were constructed, with Siemens SGT6-8000H gas turbines, SST6-5000 steam turbines, SGen6-2000H hydrogen-cooled generators, and one heat-recovery steam generator per block. The EPC scope also included air-cooled condensers, ancillary systems and buildings, electrical interconnection facilities, and natural-gas, water, and wastewater tie-ins. EIA/FERC records identify two 435 MW generators, GEN1 and GEN2.

Structured profile

Reported capacity: 870 MW
Natural Gas Fired Combined Cycle
Operating status: operating
Hamilton Patriot Generation Plant is operating.
Location: Lycoming County
PJM
Operator: Hamilton Operating Services, LLC
Asset role: natural gas
PJM · Lycoming County

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Units and generators

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

Generator	Capacity	Technology	Operation	Status
GEN1	435 MW 412.5 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CS	Jul 2016	Operating
GEN2	435 MW 382.5 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CS	Jul 2016	Operating

Performance

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

Peer context

Technology capacity: 870 MW; Natural Gas Fired Combined Cycle
National rank: #124; of 538 operating peers
PA rank: #10; of 26 operating peers

Monthly generation

Download CSV

Latest 12 months

5.55 TWh

Reported net generation

Latest report

Jun 2026

EIA-923 monthly filing

2025 capacity factor

80.1%

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

UNKNOWN166936

IN SERVICE · 230 kV

0.2 km

UNKNOWN162368

Commercial, land, and environmental record

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

Land and environmental record

Air Plan Approval And Capacity Upgrade

Jun 24, 2021

41-00084C

On June 24, 2021, Pennsylvania DEP approved plan-approval action 41-00084C for Hamilton Patriot LLC to replace the rotor and upgrade electrical-generation capacity for natural-gas-fired combined-cycle combustion-turbine Source P103.

PA Bulletin, Doc. No. 21-1127c

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

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AssetOwner / operatorContractor

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jan 2014
Jan 2014
Project FinancingSources of ...
Panda Power Funds closed a $385 million Term Loan B facility to support the Moxie Patriot project.
Jun 2016
Jun 2016

Hamilton Patriot Generation Plant