Query
Gulf Island
Type
Entity Briefing
Entity
Gulf Island
State
RI
Generated
2026-10-19T23:25:35.550Z

Briefing on Gulf Island

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
19 MW
Capacity
Operating
Current status
1926
Operating since
3
Generators
77.6%
Capacity factor
136 GWh
Annual generation
Briefing/plantOperating

Gulf Island is a 19 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Gulf Island is reported in Maine since 1926 under Brookfield White Pine Hydro LLC. Available operating and financial measures include 77.6% capacity factor and 136 GWh annual generation; $2294/kW reported CapEx.

Location
Androscoggin, Maine
Technology
Conventional Hydroelectric
Owner / parent
Brookfield White Pine Hydro LLC
Operator
Brookfield White Pine Hydro LLC
Grid
ISO New England
Plant ID
1491

What stands out

1

Gulf Island is a 19 MW Conventional Hydroelectric asset in Maine with status Operating.

2

Latest annual operating measures report 77.6% capacity factor and 136 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#9 of 48
National rank
#494 of 1,462

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.