Ampersand Chowchilla Biomass LLC — Plant Summary
- EIA Plant ID
- 56706
- Capacity
- 12.5 MW
- Primary Fuel
- Wood
- Technology
- Wood/Wood Waste Biomass
- Status
- Out of service
- Location
- Madera, CA
- Operating Since
- 2008
- Generators
- 1
- Operator
- Ampersand Chowchilla Biomass LLC
- Parent Company
- —
- Annual Generation
- 0 MWh
- Capacity Factor
- 0.0%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Ampersand Chowchilla Biomass LLC
Out of serviceWood Waste
Ranked #20 of 25 Wood Waste plants in CA#87 of 108 nationally
12.5 MW Wood Waste out of service in Madera, CA — California Independent System Operator
EIAWD
12.5 MW
Nameplate Capacity
1
Generators
unit
Wood/Wood Waste Biomass
Technology
2008
Operating Since
Location
Coordinates
37.1067, -120.2485
County
Madera, CA
Nearby Plants
- Chowchilla IINatural Gas49.6 MW · 0.1 km
- Adera SolarSolar20 MW · 6.9 km
- DGS Valley State PrisonSolar2.3 MW · 8.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ampersand Chowchilla Biomass LLC | — | — |
| Owner(s) | Ampersand Chowchilla Biomass LLC | — | — |
| Status | Out of service | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Ampersand Chowchilla Biomass LLC is a 12.5 MW biomass power plant located in Madera County, California. The plant began operating in 2008 and utilizes wood and wood waste as its primary fuel source. It consists of a single generator. The plant is owned and operated by Ampersand Chowchilla Biomass LLC.
The facility operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Ampersand Chowchilla Biomass is ranked as the 20th largest biomass plant in California out of 25, and 75th nationally out of 97 similar facilities. Regulatory issues have been a focus of news coverage related to the plant.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
120 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
NP15
Pricing Hub
TH_ZP26_GEN-APND
Node Source
EIA-860 direct report
News & Articles (3)Beta
Regulatory·federal policy
Ampersand clarifies power project placed-in-service analysis
The US Court of Appeals for the Federal Circuit released its decision in Ampersand Chowchilla Biomass LLC v. US in which the court considered when a power...
Ampersand Chowchilla Biomass LLC (other)US (other)
Norton Rose Fulbright·4 years ago
Regulatory·federal policy
Open-Loop Biomass Facilities Not Entitled to Claimed Grants
AMPERSAND CHOWCHILLA BIOMASS, LLC, and MERCED POWER, LLC, Plaintiffs, v. THE UNITED STATES, Defendant. In the United States Court of Federal...
AMPERSAND CHOWCHILLA BIOMASS, LLC (other)MERCED POWER, LLC (other)
Tax Notes·5 years ago
Regulatory·federal policy
Dispute Over Grants for Open-Loop Biomass Facilities to Proceed
AMPERSAND CHOWCHILLA BIOMASS, LLC, and MERCED POWER, LLC, Plaintiffs, v. THE UNITED STATES, Defendant. In the United States Court of Federal...
AMPERSAND CHOWCHILLA BIOMASS, LLC (other)MERCED POWER, LLC (other)
Tax Notes·8 years ago
Last updated 2026-03-14
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