Ameresco Ox Mountain — Plant Summary
- EIA Plant ID
- 56895
- Capacity
- 14.4 MW
- Primary Fuel
- LFG
- Technology
- Landfill Gas
- Status
- Operating
- Location
- San Mateo, CA
- Operating Since
- 2008
- Generators
- 7
- Operator
- AMERESCO Ox Mountain Energy LLC
- Parent Company
- —
- Annual Generation
- 82,097 MWh
- Capacity Factor
- 65.2%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Ameresco Ox Mountain
OperatingLandfill Gas
Ranked #5 of 40 Landfill Gas plants in CA#12 of 283 nationally
14.4 MW Landfill Gas operating in San Mateo, CA — California Independent System Operator
EIAWD
14.4 MW
Nameplate Capacity
7
Generators
units
Landfill Gas
Technology
2008
Operating Since
Location
Coordinates
37.5000, -122.4000
County
San Mateo, CA
Nearby Plants
- Franklin Templeton San MateoNatural Gas1.1 MW · 10.6 km
- Gilead Foster City Solar ProjectSolar1.6 MW · 13.2 km
- Shelter Creek Condominiums SolarSolar1.9 MW · 13.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AMERESCO Ox Mountain Energy LLC | — | — |
| Owner(s) | AMERESCO Ox Mountain Energy LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Ameresco Ox Mountain is a 14.4 MW landfill gas-fueled power plant located in San Mateo County, California. The plant began operating in 2008 and consists of 7 generators utilizing landfill gas technology. It is owned and operated by AMERESCO Ox Mountain Energy LLC. 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, Ameresco Ox Mountain generated 82,097 MWh of electricity, achieving a capacity factor of 65.2%. The plant is a significant contributor to landfill gas-based power generation in California, ranking 5th out of 40 such plants in the state and 15th out of 284 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
60 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
6.5K MWh
Latest Month
82.1K MWh
Annual Generation
65.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
OXMOUNTN_6_N001
Pricing Hub
TH_NP15_GEN-APND
Secondary Zone
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (1)Beta