MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/3375
EIA plant 3375

Chamberlain · Buffalo · SD

Big Bend Dam

Operated by USACE-Omaha

Annual generation812,996 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextSouthwest Power PoolBalancing authority or NERC region

Published location

Where is Big Bend Dam?

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

44.038400, -99.446300

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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
156,172 MWh
239,632 MWh
366,742 MWh
487,089 MWh
559,961 MWh
671,905 MWh
737,108 MWh
890,926 MWh
995,649 MWh
1093,825 MWh
1173,382 MWh
1240,605 MWh

Operating generators

IDTechnologyFuelMWStatus
1Conventional HydroelectricWAT67.3OP
2Conventional HydroelectricWAT67.3OP
4Conventional HydroelectricWAT67.3OP
5Conventional HydroelectricWAT67.3OP
6Conventional HydroelectricWAT67.3OP
7Conventional HydroelectricWAT67.3OP
8Conventional HydroelectricWAT67.3OP
3Conventional HydroelectricWAT67.2OP

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Identity, technology and limitations
EIA plant ID
3375
Sector
Electric Utility
Water source
Missouri River
Data edition
2024-final