MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/56698
EIA plant 56698

Coulee City · Grant · WA

Main Canal Headworks

Operated by Columbia Basin Hydropower

Annual generation103,306 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextAvista CorporationBalancing authority or NERC region

Published location

Where is Main Canal Headworks?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

47.616400, -119.299200

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
10 MWh
20 MWh
3787 MWh
415,095 MWh
516,282 MWh
616,770 MWh
718,264 MWh
815,620 MWh
912,470 MWh
108,018 MWh
110 MWh
120 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT26.8OP

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Identity, technology and limitations
EIA plant ID
56698
Sector
Electric Utility
Water source
Irrigation Canal
Data edition
2024-final