USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Shelocta, PA · EIA plant 55347

Armstrong

Armstrong is a oil & gas power facility in Shelocta, PA, with 688 MW of operating capacity.

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Operating capacity688 MW4 operating generators
Proposed capacity0 MW0 proposed generators
UtilityArmstrong Power LLCEIA-reported operator
Balancing authorityPJMPJM Interconnection, LLC

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas688 MW
ProposedNo proposed capacity reported
Reported technologiesNatural Gas Fired Combustion Turbine

Nearby in PA

Related facilities

PA · 1.6 miKeystone1,883 MW →PA · 10.2 miIndiana University of Pennsylvania24 MW →PA · 11.9 miHomer City Generating Station4,396 MW →PA · 12.0 miConemaugh Hydro Plant15 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source