20 MW Solar operating in San Bernardino, CA — California Independent System Operator
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2016
Operating Since
Coordinates
34.5410, -117.0610
County
San Bernardino, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Renewables Services | Duke Energy | — |
| Owner(s) | Longboat Solar, LLC | Duke Energy | — |
| Status | Operating | operating | — |
Longboat Solar, LLC is a 20 MW solar photovoltaic power plant located in San Bernardino County, California. The plant began operating in 2016 and has one generator. It is owned by Duke Energy and operated by Duke Energy Renewables Services. The facility utilizes single-axis tracking to maximize solar energy capture. Longboat Solar is connected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, Longboat Solar generated 41,992 MWh of electricity, achieving a capacity factor of 23.9%. Longboat Solar is the 127th largest solar plant in California out of 862, and the 1401st largest in the United States out of 7108. Financial data is available for the plant from LBNL, and news coverage includes 2 regulatory articles and 1 deal-related article.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
33 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
2.4K MWh
Latest Month
42.0K MWh
Annual Generation
23.9%
Capacity Factor
$74.8/MWh
LCOE (Levelized Cost)
$9.2/MWh
Energy Value
Point of Interconnection
Nearest Substation
Southdown
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
—
Pricing Hub
TH_SP15_GEN-APND
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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