16.2 MW Hydro operating in Tuolumne, CA — California Independent System Operator
16.2 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1986
Operating Since
Coordinates
39.8327, -97.6320
County
Tuolumne, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tri-Dam Power Authority | — | — |
| Owner(s) | Tri-Dam Power Authority | — | — |
| Status | Operating | — | — |
The Sand Bar Power Plant is a 16.2 MW conventional hydroelectric facility located in Tuolumne County, California. The plant began operating in 1986 and is owned and operated by Tri-Dam Power Authority. It consists of a single generator and utilizes water (WAT) as its primary fuel source. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year with available data, Sand Bar Power Plant generated 85,476 MWh of electricity, achieving a capacity factor of 59.9%. The plant is ranked 99 out of 247 power plants in California and 531 out of 1464 nationally. Recent news coverage of the plant has focused on industry trends, hazards, and regulatory matters.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Political Subdivision
Sector
IPP Non-CHP
7.7K MWh
Latest Month
85.5K MWh
Annual Generation
59.9%
Capacity Factor
No financial data available for this plant.
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_NP15_GEN-APND
Node Source
Shared substation inference
Last updated 2026-03-14
View all 10 articles