Shell Chemical Appalachia
Shell Chemical Appalachia LLCBeaver County
Shell Chemical Appalachia LLC is a natural gas-fired power facility with 309.8 MW of EIA-reported nameplate capacity in Beaver County, Pennsylvania, registered as EIA Plant ID 58933. Shell Chemical Appalachia LLC owns and operates the plant, a subsidiary of Shell plc. EIA plant 58933 is an operational PJM industrial combined-heat-and-power facility with five gas generators and 309.8 MW of nameplate capacity. Its first generating unit entered service on July 1, 2021, supporting Shell’s large-scale Shell Polymers Monaca petrochemical complex.
Mapped infrastructure geometry associated with this asset.
Natural Gas Fired Combined Cycle
Shell Chemical Appalachia LLC is operating.
138 kV · Duquesne Light Company (DLCO)
PJM
EIA plant 58933 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| GTG1 | Natural Gas Fired Combined Cycle | Operating | 48.4 | Unknown |
| GTG2 | Natural Gas Fired Combined Cycle | Operating | 48.4 | Unknown |
| GTG3 | Natural Gas Fired Combined Cycle | Operating | 48.4 | Unknown |
| STG1 | Natural Gas Fired Combined Cycle | Operating | 82.3 | Unknown |
| STG2 |
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GTG1 | 48.4 MW 37.1 MW summer | Natural Gas Fired Combined Cycle CT | Jul 2021 | Operating |
| GTG2 | 48.4 MW 37.1 MW summer | Natural Gas Fired Combined Cycle CT | Jul 2021 | Operating |
| GTG3 | 48.4 MW 37.1 MW summer | Natural Gas Fired Combined Cycle CT | Jul 2021 | Operating |
| STG1 | 82.3 MW 72.7 MW summer | Natural Gas Fired Combined Cycle CA | Oct 2021 | Operating |
| STG2 | 82.3 MW |
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.
Shell’s application for the project was first filed in April 2013 under PJM queue Y3-103.
PJM · Beaver County
| Natural Gas Fired Combined Cycle |
| Operating |
| 82.3 |
| Unknown |
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.
A January 2015 PJM facility study described the proposed project as three gas turbine generators and two steam turbine generators, with approximately 205 MW of installed capability.
EIA-860 lists generator GTG1, generator GTG2, generator GTG3 with this operating date.
EIA-860 lists generator STG1, generator STG2 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Shell Chemical Appalachia reports 309.8 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Shell Chemical Appalachia is a Natural Gas Fired Combined Cycle facility in Beaver County, PA, participating in the PJM market.
Shell Chemical Appalachia is in Beaver County, PA, inside the PJM balancing area.
Shell Chemical Appalachia is operated by Shell Chemical Appalachia LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Shell Chemical Appalachia reported 1,731.5 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
Shell Chemical Appalachia interconnects at Potter 138-kV substation, on the Duquesne Light Company (DLCO) system.
By capacity, Shell Chemical Appalachia ranks #361 of 540 operating plants of the same technology nationally. It ranks #23 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.