Rumford Power LLC — Plant Summary
- EIA Plant ID
- 55100
- Capacity
- 274.5 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Oxford, ME
- Operating Since
- 2000
- Generators
- 2
- Operator
- Rumford Power
- Parent Company
- Carlyle Group
- Annual Generation
- 637,701 MWh
- Capacity Factor
- 26.4%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Rumford Power LLC
OperatingNatural Gas
Ranked #3 of 6 Natural Gas plants in ME#672 of 2009 nationally
274.5 MW Natural Gas operating in Oxford, ME — ISO New England Inc.
EIAWD
274.5 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2000
Operating Since
Location
Coordinates
44.5303, -70.5219
County
Oxford, ME
Nearby Plants
- Rumford ESSBESS4.9 MW · 0.3 km
- Mainely Solar (Wyman Hill Solar LLC)Solar4 MW · 1.4 km
- Rumford CogenerationBlack Liquor102.6 MW · 3.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Rumford Power | Rumford Power | — |
| Owner(s) | Rumford Power | Carlyle Group | — |
| Status | Operating | — | — |
Ownership Chain
About
Rumford Power LLC is a 274.5 MW natural gas-fired combined cycle power plant located in Oxford County, Maine. The plant began operating in 2000 and consists of two generators. It is owned by the Carlyle Group and operated by Rumford Power. The plant is the third-largest of five power plants in Maine, and ranks 675th out of 945 plants nationally.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the latest year of reported data, Rumford Power generated 637,701 MWh of electricity, achieving a capacity factor of 26.4%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
10.4K MWh
Latest Month
637.7K MWh
Annual Generation
26.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Rumford Industrial Park Substation · 115 kV
Substation Distance
< 10 km
Operator
Central Maine Power Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.RUMFD_IP18.0RUMF
Pricing Hub
.Z.MAINE
Node Source
EIA-860 direct report
News & Articles (8)Beta
Hazards·winter storm
Winter Storm Warning: Northern Oxford; Northern Franklin; Southern Oxford; Southern Franklin; Northern Carroll; Southern C
Winter Storm Warning issued March 21 at 2:18PM EDT until March 23 at 2:00AM EDT by NWS Gray ME
NWS Gray ME·5 days ago
Regulatory·ferc order
Summary of FERC Meeting Agenda for December 2025
Summaries of the agenda items for the Federal Energy Regulatory Commission's monthly open meeting to be held on December 18, 2025,...
Federal Energy Regulatory Commission (regulator)
White & Case·3 months ago
Industry·corporate
Paper mills releasing more greenhouse gases than data shows
Two of Maine's largest paper mills are among the dirtiest in the country, according to a new study on US pulp and paper plants.
Maine (other)
The Maine Monitor·9 months ago
Industry·corporate
The man at the center of the high-stakes bet over a shuttered trash incinerator
When Evan Coleman proposed building a $200 million natural gas-fired plant in Rockland, public outrage was swift.
Evan Coleman (other)
Bangor Daily News·9 months ago
Last updated 2026-03-21
View all 8 articles