10 MW BESS operating in Kings, CA — California Independent System Operator
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
36.2296, -119.9046
County
Kings, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Convergent Energy and Power LP | — | — |
| Owner(s) | Henrietta D Energy Storage, LLC | — | — |
| Status | Operating | — | — |
Henrietta D Energy Storage LLC is a 10 MW battery energy storage system located in Kings County, California. The plant began operating in 2021 and is owned and operated by Convergent Energy and Power LP. It is interconnected to the California Independent System Operator (CAISO) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. The facility ranks as the 195th largest power plant in California out of 300, and 797th nationally out of 1205.
The energy storage system utilizes lithium-ion batteries (LIB) and has a total storage capacity of 40 MWh, providing a duration of 4 hours at its full 10 MW output. The plant's primary fuel is listed as 'MWH', indicating that it draws power from the grid to charge its batteries. News reports indicate at least one deal related to the plant.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
12 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−48 MWh
Net Charging
-1.5K MWh
Annual Net Energy
-1.7%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
No financial data available for this plant.
Market Position
ISO/RTO Market
CAISO
LMP Node
HENRTA_6_HDEBT1
Pricing Hub
TH_ZP26_GEN-APND
Node Source
EIA-860 direct report
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Last updated 2026-03-15
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