MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/415
EIA plant 415

None · Tuolumne · CA

Donnells

Operated by Oakdale&South San Joaquin Irrigation D.

Annual generation219,157 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextCalifornia Independent System OperatorBalancing authority or NERC region

Published location

Where is Donnells?

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

38.246656, -120.034072

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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
113,451 MWh
215,497 MWh
318,884 MWh
429,203 MWh
524,289 MWh
636,231 MWh
717,371 MWh
86,306 MWh
923,511 MWh
109,523 MWh
1118,471 MWh
126,420 MWh

Operating generators

IDTechnologyFuelMWStatus
H1Conventional HydroelectricWAT72OP

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Identity, technology and limitations
EIA plant ID
415
Sector
IPP Non-CHP
Water source
Stanislaus River
Data edition
2024-final