Liberty Electric Power Plant
Delaware County
Liberty Electric Power Plant is a natural gas-fired power facility with 614 MW of EIA-reported nameplate capacity in Delaware County, Pennsylvania, registered as EIA Plant ID 55231. The plant began commercial operation in 2001. Its grid role is merchant combined-cycle generation supplying the PJM grid, designed for year-round continuous operation with utilization varying according to regional electricity demand and prices.
Mapped infrastructure geometry associated with this asset.
Natural Gas Fired Combined Cycle
Liberty Electric Power Plant is operating.
PJM
PJM · Delaware County
EIA plant 55231 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| GTG1 | Natural Gas Fired Combined Cycle | Operating | 186 | Unknown |
| GTG2 | Natural Gas Fired Combined Cycle | Operating | 186 | Unknown |
| STG | Natural Gas Fired Combined Cycle | Operating | 242 | Unknown |
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Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GTG1 | 186 MW 169.1 MW summer | Natural Gas Fired Combined Cycle CT | May 2002 | Operating |
| GTG2 | 186 MW 169.1 MW summer | Natural Gas Fired Combined Cycle CT | May 2002 | Operating |
| STG | 242 MW 223.8 MW summer | Natural Gas Fired Combined Cycle CA | May 2002 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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Project milestones and public references behind the asset profile.
A July 17, 2000 groundbreaking began construction of the Liberty Electric Power Project in Eddystone, Pennsylvania.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Liberty Electric Power LLC filed its initial FERC electric tariff for the planned natural-gas-fired facility, enabling sales of energy, capacity, and ancillary services at market-based rates.
EIA-860 lists generator GTG1, generator GTG2, generator STG with this operating date.
Competitive Power Ventures and its affiliates acted as Liberty Electric’s asset manager from 2006.
Strategic Value Partners acquired 100% equity ownership by mid-2007 through a restructuring of Liberty Electric’s debt.
Strategic Value Partners announced an agreement to sell its 100% equity interest in Liberty Electric Generation Holdings to an Energy Capital Partners affiliate; the announced transaction was expected to close in or around the third quarter of 2011.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Liberty Electric Power Plant reports 614 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Liberty Electric Power Plant is a Natural Gas Fired Combined Cycle facility in Delaware County, PA, participating in the PJM market.
Liberty Electric Power Plant is in Delaware County, PA, inside the PJM balancing area.
Liberty Electric Power Plant is operated by Liberty Electric Power LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Liberty Electric Power Plant reported 3,983.7 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Liberty Electric Power Plant ranks #238 of 540 operating plants of the same technology nationally. It ranks #19 of 26 in PA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.