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16 MW All Other (1 MW) + Other Waste Biomass (15 MW) operating in Orange, CA — California Independent System Operator
16 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
All Other + Other Waste Biomass
1993
Operating Since
Coordinates
33.6433, -117.9556
County
Orange, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Orange County Sanitation Dist - (CA) | — | — |
| Owner(s) | Orange County Sanitation Dist | — | — |
| Status | Operating | — | — |
Plant No 2 Orange County, located in Orange County, California, is a 16 MW hybrid power plant primarily fueled by other biomass gas (OBG). The facility, which began operating in 1993, consists of six generators utilizing "All Other" and "Other Waste Biomass" technologies. It is owned and operated by the Orange County Sanitation District.
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 of data, the plant generated 59,320 MWh, achieving a capacity factor of 42.2%. Plant No 2 Orange County holds a notable ranking as the 3rd largest OBG-fueled plant in California (out of 33) and the 4th largest nationally (out of 74).
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
66.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Political Subdivision
Sector
Commercial CHP
5.2K MWh
Latest Month
59.3K MWh
Annual Generation
42.2%
Capacity Factor
CO₂ Intensity
245 lb/MWh
NOx
29 lb/MWh
SO₂
0.057 lb/MWh
CH₄
0.020 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
42.1%
Annual Net Gen
59 GWh
CO₂eq
246 lb/MWh
Subregion
WECC California
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $55.9M
Point of Interconnection
Nearest Substation
Orcogen
Substation Distance
2.053 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
HUNT2G_7_B1
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
Last updated 2026-03-26
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