Query
Keystone
Type
Entity Briefing
Entity
Keystone
Generated
2026-10-13T18:53:09.844Z

Briefing on Keystone

Entity Briefing
Generated Oct 13, 2026·Dataset freshness not reported
1.9 GW
Capacity
Standby
Current status
1967
Operating since
6
Generators
27.9%
Capacity factor
4616 GWh
Annual generation
Briefing/plantStandby

Keystone is a 1.9 GW Conventional Steam Coal asset in PJM Interconnection, currently Standby.

Keystone is reported in Pennsylvania since 1967 under KeyCon Operating LLC. Available operating and financial measures include 27.9% capacity factor and 4616 GWh annual generation.

Location
Armstrong, Pennsylvania
Technology
Conventional Steam Coal, Petroleum Liquids
Owner / parent
KeyCon Operating LLC
Operator
KeyCon Operating LLC
Grid
PJM Interconnection
Plant ID
3136

What stands out

1

Keystone is a 1.9 GW Conventional Steam Coal asset in Pennsylvania with status Standby.

2

Latest annual operating measures report 27.9% capacity factor and 4616 GWh annual generation.

3

Latest linked story: “DEP Invites Comments On Proposed Consent Decree Covering Wastewater Discharges To Continue Operation Of The Keystone And Conemaugh Coal-Fired Power Plants In Indiana And Armstrong Counties” (PA Environment Digest Blog, 2026-01-09).

Market and operating context

ISO / market
PJM Interconnection
Balancing authority
PJM Interconnection, LLC
NERC region
RFC
State rank
#2 of 3
National rank
#14 of 66

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.