25 MW Wood Waste operating in Tuolumne, CA — California Independent System Operator
25 MW
Nameplate Capacity
1
Generators
unit
Wood/Wood Waste Biomass
Technology
1986
Operating Since
Coordinates
39.4911, -75.0483
County
Tuolumne, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | IHI Power Services Corp | IHI Power Services Corp | — |
| Owner(s) | CII Wood Power Inc, Pacific Energy Resources Inc | IHI | — |
| Status | Operating | operating | — |
Located in Tuolumne County, California, the Pacific-Ultrapower Chinese Station is a 25 MW biomass power plant that primarily burns wood and wood waste (WDS). The plant began operating in 1986 and has one generator. It is owned by IHI, a Japanese corporation, and operated by IHI Power Services Corp. The plant is within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of data, the plant generated 126,204 MWh of electricity, achieving a capacity factor of 57.6%. Among biomass plants in California, the Pacific-Ultrapower Chinese Station ranks 13th out of 25, based on capacity. Nationally, it ranks 50th out of 97 biomass plants.
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
Independent Power Producer
Sector
IPP Non-CHP
6.8K MWh
Latest Month
126.2K MWh
Annual Generation
57.6%
Capacity Factor
No financial data available for this plant.
Market Position
ISO/RTO Market
CAISO
LMP Node
CHSTN_7_B1
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Support For Biomass Facilities
A recent MyMotherLode informal poll asked "Do You Support Opening And Expanding Local Biomass (wood & organic debris burning) Facilities?
Support For Biomass Facilities
A recent MyMotherLode informal poll asked "Do You Support Opening And Expanding Local Biomass (wood & organic debris burning) Facilities?
Support For Biomass Facilities
A recent MyMotherLode informal poll asked "Do You Support Opening And Expanding Local Biomass (wood & organic debris burning) Facilities?
Support For Biomass Facilities
A recent MyMotherLode informal poll asked "Do You Support Opening And Expanding Local Biomass (wood & organic debris burning) Facilities?
Last updated 2026-03-26
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