Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
49.5 MW Natural Gas operating in San Joaquin, CA — California Independent System Operator
49.5 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
1988
Operating Since
Coordinates
37.7314, -121.1157
County
San Joaquin, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AltaGas Ripon Energy Inc. | AltaGas Ripon Energy | — |
| Owner(s) | AltaGas Ripon Energy Inc. | AltaGas | — |
| Status | Operating | — | — |
AltaGas Ripon Energy Inc. is a 49.5 MW natural gas-fired power plant located in San Joaquin County, California. The plant began operating in 1988 and is owned and operated by AltaGas Ripon Energy Inc., a subsidiary of the Canadian company AltaGas. The facility utilizes a single natural gas-fired combustion turbine.
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 with available data, the plant generated 920 MWh, resulting in a capacity factor of 0.2%. Financial data indicates a power purchase agreement (PPA) price of $175 per MWh. The plant ranks 118th in size among California's 297 power plants and 1118th nationally out of 1963 plants.
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
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0 MWh
Latest Month
920 MWh
Annual Generation
0.2%
Capacity Factor
CO₂ Intensity
1234 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
3 lb/MWh
SO₂
0.034 lb/MWh
CH₄
0.023 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
0.7%
Annual Net Gen
3 GWh
CO₂eq
1235 lb/MWh
Subregion
WECC California
AltaGas Ripon Energy Inc. · Data from 2019–2025
$175.0/MWh
PPA Price
Point of Interconnection
Nearest Substation
Lee
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
POD_SMPRIP_1_SMPSOM-APND
Pricing Hub
TH_NP15_GEN-APND
Node Source
EIA-860 direct report
No news articles linked yet for this plant.
News enrichment runs on demand — we have the pipeline, we just haven't fetched coverage for this plant yet. Request a detailed re-run and we'll add it.
No ask pi reports yet for this entity.
ask pi about AltaGas Ripon Energy Inc.