Merrimack — renewablesinfo.org

Merrimack — Plant Summary

EIA Plant ID: 2364
Capacity: 496.4 MW
Primary Fuel: Coal
Technology: Conventional Steam Coal, Petroleum Liquids
Status: Operating
Location: Merrimack, NH
Operating Since: 1960
Generators: 4
Operator: Granite Shore Power
Parent Company: Atlas Holdings
Annual Generation: 240,580 MWh
Capacity Factor: 5.5%
Balancing Authority: ISO New England Inc.
ISO/RTO: ISONE
NERC Region: NPCC

Search ExploreMerrimack

renewablesinfo.org — Open energy intelligence

Merrimack

OperatingBit. CoalJet FuelHybrid

Ranked #1 of 2 Bit. Coal plants in NH#48 of 66 nationally

496.4 MW Conventional Steam Coal (459 MW) + Petroleum Liquids (37 MW) operating in Merrimack, NH — ISO New England Inc.

EIAWD

496.4 MW

Nameplate Capacity

Generators

units

Hybrid (2)

Technology

Conventional Steam Coal + Petroleum Liquids

1960

Operating Since

Location

Coordinates

43.1411, -71.4692

County

Merrimack, NH

Nearby Plants

China Mill Hydro
Hydro1.7 MW · 1.6 km
Pembroke Hydro
Hydro2.7 MW · 1.7 km
Garvins Falls
Hydro12.4 MW · 4.1 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Granite Shore Power	Granite Shore Power	—
Owner(s)	Granite Shore Power	Atlas Holdings	—
Status	Operating	—	—

Ownership Chain

About

Merrimack Station, located in Merrimack County, New Hampshire, is a 496.4 MW hybrid power plant primarily fueled by bituminous coal, with petroleum liquids as a secondary fuel. The plant, which began operating in 1960, consists of four generators utilizing conventional steam technology. It is owned by Atlas Holdings and operated by Granite Shore Power. Merrimack Station is within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.

In the most recent year with available data, Merrimack Station generated 240,580 MWh of electricity, resulting in a capacity factor of 5.5%. The plant holds the ranking of 1 out of 2 for power plants in the state of New Hampshire, and a national ranking of 41 out of 50.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators