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20 MW BESS operating in Inyo, CA — California Independent System Operator
20 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
36.0088, -117.8148
County
Inyo, CA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Mordor ES2 LLC | — | — |
| Owner(s) | Mordor ES2 LLC | — | — |
| Status | Operating | — | — |
Mordor ES2 is a 20 MW battery energy storage system (BESS) located in Inyo County, California. The plant, which began operating in 2025, has a single generator and is owned and operated by Mordor ES2 LLC. The facility utilizes batteries as its primary fuel source, storing and discharging electricity. The BESS has a duration of 4 hours.
Mordor ES2 operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, the plant is ranked 185th out of approximately 300 power plants in California and 685th nationally out of 1205 plants. Recent news coverage related to the plant has focused on 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: $27.2M
Market Position
ISO/RTO Market
CAISO
LMP Node
SUNGEN_1_B1
Pricing Hub
TH_ZP26_GEN-APND
Location Type
Pricing 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 ES2California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
IPP Non-CHP