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13 MW BESS operating in Haskell, TX
13 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
33.1772, -99.5678
County
Haskell, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Inertia Energy Storage LLC | — | — |
| Owner(s) | Inertia Energy Storage LLC | — | — |
| Status | Operating | — | — |
Inertia Energy Storage is a 13 MW battery energy storage system located in Haskell County, Texas. The plant, which began operating in 2025, has one generator and is owned and operated by Inertia Energy Storage LLC. The facility utilizes batteries as its primary fuel source, designated by the code "MWH". The battery system has a duration of 3.46 hours.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. In terms of size, Inertia Energy Storage ranks as the 243rd largest power plant in Texas out of 313, and 720th nationally out of 1205. The plant has been the subject of 10 news articles, with a focus on grid-related topics.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $17.7M
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Market Position
ISO/RTO Market
ERCOT
LMP Node
INRT_W_ALL
Pricing Hub
HB_WEST
Alt. Hub / Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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