Preliminary 2025 facility recordOperating

Mount Holly Springs, PA · EIA plant 3111

Mountain

Mountain is a oil & gas power facility in Mount Holly Springs, PA, with 54 MW of operating capacity.

Operating capacity54 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityMountain Power, LLCEIA-reported operator
Balancing authorityPJMPJM Interconnection, LLC

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas54 MW
ProposedNo proposed capacity reported
Reported technologiesPetroleum Liquids

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