Hiram — Plant Summary
- EIA Plant ID
- 1493
- Capacity
- 10.5 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Cumberland, ME
- Operating Since
- 1917
- Generators
- 2
- Operator
- Brookfield White Pine Hydro LLC
- Parent Company
- —
- Annual Generation
- 40,161 MWh
- Capacity Factor
- 43.5%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Hiram
OperatingHydro
Ranked #16 of 48 Hydro plants in ME#637 of 1454 nationally
10.5 MW Hydro operating in Cumberland, ME — ISO New England Inc.
EIAWD
10.5 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1917
Operating Since
Location
Coordinates
43.8526, -70.7950
County
Cumberland, ME
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Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brookfield White Pine Hydro LLC | — | — |
| Owner(s) | Brookfield White Pine Hydro LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Hiram hydroelectric plant is located in Cumberland County, Maine. It has a total capacity of 10.5 MW across two generators using conventional hydroelectric technology. The plant began operating in 1917 and is owned and operated by Brookfield White Pine Hydro LLC. The primary fuel source for the plant is water (WAT).
Hiram operates 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, the plant generated 40,161 MWh, achieving a capacity factor of 43.5%. Hiram ranks as the 19th largest power plant out of 51 in the state of Maine, and 648th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
34 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
3.5K MWh
Latest Month
40.2K MWh
Annual Generation
43.5%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.MAINE
Node Source
Shared substation inference
UN.W_BUXTON34.5HIRMNearby ISO Node
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