Query
Perryman
Type
Entity Briefing
Entity
Perryman
Generated
2026-10-18T05:00:40.387Z

Briefing on Perryman

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
492 MW
Capacity
Operating
Current status
1972
Operating since
5
Generators
5.8%
Capacity factor
251 GWh
Annual generation
Briefing/plantOperating

Perryman is a 492 MW Natural Gas Fired Combustion Turbine asset in PJM Interconnection, currently Operating.

Perryman is reported in Maryland since 1972 under Constellation Energy. Available operating and financial measures include 5.8% capacity factor and 251 GWh annual generation; $765/kW reported CapEx.

Location
Harford, Maryland
Technology
Natural Gas Fired Combustion Turbine, Petroleum Liquids
Owner / parent
Constellation Energy
Operator
Constellation Power Source Generation, LLC
Grid
PJM Interconnection
Plant ID
1556

What stands out

1

Perryman is a 492 MW Natural Gas Fired Combustion Turbine asset in Maryland with status Operating.

2

Latest annual operating measures report 5.8% capacity factor and 251 GWh annual generation.

3

Available financial measures include $765/kW CapEx.

4

Latest linked story: “Constellation Energy (CEG) boosts Q1 profit as Calpine deal reshapes portfolio” (Stock Titan, 2026-05-10).

Market and operating context

ISO / market
PJM Interconnection
Balancing authority
PJM Interconnection, LLC
NERC region
RFC
State rank
#6 of 16
National rank
#509 of 2,025

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.