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250 MW Solar operating in Kings, CA — California Independent System Operator
250 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2021
Operating Since
Coordinates
36.1925, -119.9042
County
Kings, CA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Aqua | CIM Group | — |
| Owner(s) | Aquamarine Westside LLC | CIM Group | — |
| Status | Operating | operating | — |
GEM identifies the owner as CIM Group
This entity is not yet in the GEM ownership database — chain unavailable.
Aquamarine is a 250 MW solar photovoltaic power plant located in Kings County, California. The plant, which began operating in 2021, has a single generator and utilizes single-axis tracking. It is owned and operated by Aquamarine Westside LLC. Aquamarine is connected to the California Independent System Operator (CAISO) balancing authority and is within the Western Electricity Coordinating Council (WECC) NERC region.
In its latest year of operation, Aquamarine generated 662,406 MWh of electricity, achieving a capacity factor of 30.2%. The plant ranks as the 12th largest solar facility in California out of 59, and 138th nationally out of 639. Financial data indicates a power purchase agreement (PPA) price of $30.77 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
12.9K MWh
Latest Month
662.4K MWh
Annual Generation
30.2%
Capacity Factor
Data from 2021–2024
$4.5/MWh
Energy Value
$13.0/MWh
Capacity Value
Market Position
ISO/RTO Market
CAISO
LMP Node
AQUAWS_7_N002
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
Last updated 2026-04-19
View all articlesCalifornia Independent System Operator (CISO)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
—
Sector
IPP Non-CHP