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25 MW BESS operating in Inyo, CA — California Independent System Operator
25 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
36.0085, -117.8141
County
Inyo, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mordor ES1 LLC | — | — |
| Owner(s) | Mordor ES1 LLC | — | — |
| Status | Operating | — | — |
Mordor ES1 is a 25 MW battery energy storage system (BESS) located in Inyo County, California. The plant, owned and operated by Mordor ES1 LLC, began operating in 2025. It consists of a single generator utilizing battery technology with a duration of 4 hours. The primary fuel source for the plant is electricity (MWH).
Mordor ES1 operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant is ranked 178th out of 300 power plants in California and 667th nationally out of 1205 plants. There has been one news article published about the plant related to hazards.
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $34.0M
Market Position
ISO/RTO Market
CAISO
LMP Node
POD_CALGEN_1_UNITS-APND
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about Mordor ES1California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP