Cleanview

Coal power plants in ISO-NE

ISO-NE has 1 operating coal power plants with 0.5 GW of capacity.

  • Operating1

Under 250 MW250–999 MW1 GW and up

Updated monthly. Last updated November 2026.

The largest coal power plants in ISO-NE

Operating, by capacity

#Coal power plantYear onlineCapacity
1Merrimack1968459 MW

Coal power plants that came online most recently in ISO-NE

Newest first

#Coal power plantYear onlineCapacity
1Merrimack1968459 MW
The developer behind each project is on paid plans. See plans

How Cleanview tracks coal power plants

Operating coal power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about coal power plants in ISO-NE

How many coal power plants are in ISO-NE?
ISO-NE has 1 operating utility-scale coal power plants with 0.5 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest coal power plant in ISO-NE?
Merrimack in Merrimack County, New Hampshire is the largest, at 459 MW. It came online in 1968.
How many coal power plants were built in ISO-NE in 2025?
0 coal power plants came online in ISO-NE in 2025, with 0 MW of capacity.
Who is developing coal power plants in ISO-NE?
Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

More energy trackers for ISO-NE

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