Conowingo is a 531 MW Conventional Hydroelectric asset in PJM Interconnection, currently Operating.
Conowingo is reported in Maryland since 1928 under Constellation Energy. Available operating and financial measures include 33.3% capacity factor and 1549 GWh annual generation; $2294/kW reported CapEx.
- Location
- Harford, Maryland
- Technology
- Conventional Hydroelectric
- Owner / parent
- Constellation Energy
- Operator
- Constellation Power, Inc
- Grid
- PJM Interconnection
- Plant ID
- 1574
What stands out
Conowingo is a 531 MW Conventional Hydroelectric asset in Maryland with status Operating.
Latest annual operating measures report 33.3% capacity factor and 1549 GWh annual generation.
Available financial measures include $2294/kW CapEx.
Latest linked story: “Constellation Reports First Quarter 2026 Results” (ChartMill, 2026-05-10).
Market and operating context
- ISO / market
- PJM Interconnection
- Balancing authority
- PJM Interconnection, LLC
- NERC region
- RFC
- State rank
- #1 of 2
- National rank
- #47 of 1,462
Why it matters
For this asset in PJM Interconnection, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.