Muddy Run is a 1.1 GW Hydroelectric Pumped Storage asset in PJM Interconnection, currently Operating.
Muddy Run is reported in Pennsylvania since 1967 under Constellation Energy. Available operating and financial measures include -5.3% capacity factor and -502 GWh annual generation; $2294/kW reported CapEx.
- Location
- Lancaster, Pennsylvania
- Technology
- Hydroelectric Pumped Storage
- Owner / parent
- Constellation Energy
- Operator
- Constellation Power, Inc
- Grid
- PJM Interconnection
- Plant ID
- 3164
What stands out
Muddy Run is a 1.1 GW Hydroelectric Pumped Storage asset in Pennsylvania with status Operating.
Latest annual operating measures report -5.3% capacity factor and -502 GWh annual generation.
Available financial measures include $2294/kW CapEx.
Latest linked story: “Constellation Energy Q1 2026 Earnings: Revenue Doubles on Calpine, EPS Guidance Affirmed” (TIKR.com, 2026-05-10).
Market and operating context
- ISO / market
- PJM Interconnection
- Balancing authority
- PJM Interconnection, LLC
- NERC region
- RFC
- State rank
- #1 of 31
- National rank
- #17 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.