MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/50362
EIA plant 50362

Nyssa · Malheur · OR

Tunnel 1 Power Project

Operated by Owyhee Irrigation District

Annual generation22,425 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextIdaho Power CompanyBalancing authority or NERC region

Published location

Where is Tunnel 1 Power Project?

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

43.642023, -117.232674

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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
30 MWh
41,719 MWh
54,416 MWh
64,579 MWh
74,734 MWh
83,964 MWh
92,239 MWh
10774 MWh
110 MWh
120 MWh

Operating generators

IDTechnologyFuelMWStatus
GEN1Conventional HydroelectricWAT8.5OP

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Identity, technology and limitations
EIA plant ID
50362
Sector
IPP Non-CHP
Water source
Lake Owyhee
Data edition
2024-final