Inertia Energy Storage — Plant Summary
- EIA Plant ID
- 68874
- Capacity
- 13 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Haskell, TX
- Operating Since
- 2025
- Generators
- 1
- Operator
- Inertia Energy Storage LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Inertia Energy Storage
OperatingBESS
Ranked #186 of 256 BESS plants in TX#499 of 837 nationally
13 MW BESS operating in Haskell, TX — Electric Reliability Council of Texas, Inc.
EIA
13 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Location
Coordinates
33.1772, -99.5678
County
Haskell, TX
Nearby Plants
- Inertia Wind ProjectWind301 MW · 0.9 km
- Briggs Solar, LLCBESS375.5 MW · 3.7 km
- Quantum II SolarSolar374.4 MW · 4.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Inertia Energy Storage LLC | — | — |
| Owner(s) | Inertia Energy Storage LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Inertia BESS
ActiveBattery13 MWERCOT
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
INRT_W_ALL
Pricing Hub
HB_WEST
Secondary Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
Grid·interconnection
Inertia and the Power Grid: A Guide Without the Spin
The power grid is evolving to include ever-higher levels of wind and solar generation—which do not provide inertia, historically a key source of grid...
www.nlr.gov·4 weeks ago
Grid·interconnection
Spain’s power(less) inertia
“It's natural for countries to invest in renewables generation before investing in the grid,” one industry professional told us recently.
Infrastructure Investor·6 months ago
Grid·capacity addition
RWE puts inertia-capable BESS into operation in Netherlands
Power generation firm RWE has put a BESS in the Netherlands into commercial operation, its first that is capable of providing inertia to the grid.
RWE (operator)
Energy-Storage.News·9 months ago
Grid·outage
Europe’s Blackout Warning: Batteries Aren’t Optional Anymore
The recent power outage that hit southern Europe is a reminder that investing in energy storage is key to future-proofing energy systems.
Energy Intelligence·9 months ago
Last updated 2026-03-14
View all 10 articles