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14.4 MW Landfill Gas operating in San Mateo, CA
14.4 MW
Nameplate Capacity
7
Generators
units
Landfill Gas
Technology
2008
Operating Since
Coordinates
37.5000, -122.4000
County
San Mateo, CA
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AMERESCO Ox Mountain Energy LLC | — | — |
| Owner(s) | AMERESCO Ox Mountain Energy LLC | — | — |
| Status | Operating | — | — |
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
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
60.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
6.5K MWh
Latest Month
82.1K MWh
Annual Generation
65.2%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
0.000 lb/MWh
SO₂
0.346 lb/MWh
CH₄
0.000 lb/MWh
N₂O
0.000 lb/MWh
Capacity Factor
87.2%
Annual Net Gen
87 GWh
CO₂eq
0.000 lb/MWh
Subregion
WECC California
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $50.3M
Market Position
ISO/RTO Market
CAISO
LMP Node
OXMOUNTN_6_N001
Pricing Hub
TH_NP15_GEN-APND
Alt. Hub / Zone
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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