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Preliminary 2025 facility recordOperating

Chamberlain, SD · EIA plant 3375

Big Bend Dam

Big Bend Dam is a hydro power facility in Chamberlain, SD, with 538 MW of operating capacity.

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Operating capacity538 MW8 operating generators
Proposed capacity0 MW0 proposed generators
UtilityUSACE-OmahaEIA-reported operator
Balancing authoritySWPPSouthwest Power Pool

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro538 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in SD

Related facilities

SD · 25.7 miNorth Bend Wind Project, LLC200 MW →SD · 26.2 miTriple H Wind Project250 MW →SD · 34.1 miRolling Thunder Wind Farm Hybrid26 MW →SD · 34.3 miBrule County Wind20 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source