Passadumkeag Windpark LLC
Passadumkeag Windpark LLC is a 43 MW wind farm in Penobscot County, Maine, operated by Southern Power Co. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2016.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 42.9 MW
- 39.9 MW net summer
- Generating units
- 1
- In service
- 2016
- EIA plant ID
- 59222
Where it is
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- County
- Penobscot County, Maine
- Coordinates
- 45.07, -68.21
- Balancing authority
- ISNE
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Southern Power Co
- Primary energy source
- Wind
- Technologies
- Onshore Wind Turbine
- Status
- Operating
Passadumkeag Windpark LLC: FAQ
- Where is Passadumkeag Windpark LLC?
- In Penobscot County, Maine (ME). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Passadumkeag Windpark LLC?
- 43 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Passadumkeag Windpark LLC?
- EIA-860M names Southern Power Co as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Passadumkeag Windpark LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.