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Preliminary 2025 facility recordOperating

Darlington, MD · EIA plant 1574

Conowingo

Conowingo is a hydro power facility in Darlington, MD, with 531 MW of operating capacity.

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Operating capacity531 MW11 operating generators
Proposed capacity0 MW0 proposed generators
UtilityConstellation Power, IncEIA-reported operator
Balancing authorityPJMPJM Interconnection, LLC

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro531 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in MD

Related facilities

MD · 4.3 miEssential Power Rock Springs LLC796 MW →MD · 4.4 miWildcat Point Generation Facility1,114 MW →MD · 9.2 miIKEA Perryville 4602 MW →MD · 11.0 miFairview Farms30 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