Briefing/plantOperating
Merrimack is a 496 MW Conventional Steam Coal asset in ISO New England, currently Operating.
Merrimack is reported in New Hampshire since 1960 under Atlas Holdings. Available operating and financial measures include 5.5% capacity factor and 241 GWh annual generation.
- Location
- Merrimack, New Hampshire
- Technology
- Conventional Steam Coal, Petroleum Liquids
- Owner / parent
- Atlas Holdings
- Operator
- Granite Shore Power
- Grid
- ISO New England
- Plant ID
- 2364
What stands out
1
Merrimack is a 496 MW Conventional Steam Coal asset in New Hampshire with status Operating.
2
Latest annual operating measures report 5.5% capacity factor and 241 GWh annual generation.
3
Latest linked story: “Distant Dome: New England’s Last Coal-Fired Power Plant Closes” (InDepthNH.org, 2025-11-08).
Market and operating context
- ISO / market
- ISO New England
- Balancing authority
- ISO New England Inc.
- NERC region
- NPCC
- State rank
- #1 of 1
- National rank
- #48 of 66
Why it matters
For this asset in ISO New England, 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.
