150 MW BESS under construction in Hopkins, TX — Electric Reliability Council of Texas, Inc.
150 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
33.0912, -95.6151
County
Hopkins, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Big Sky Wind, LLC | — | — |
| Owner(s) | Big Sky Wind, LLC | — | — |
| Status | Under construction | — | — |
Cartwheel 1 - Storage, LLC, located in Hopkins County, Texas, is a 150 MW battery storage facility. The plant, identified by plant ID 68513, is owned and operated by Big Sky Wind, LLC. It consists of a single generator utilizing batteries as its primary fuel source, categorized as "MWH" in the data. The facility operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region.
The plant holds a ranking of 172 out of 224 facilities in Texas and 403 out of 514 nationally. Financial data is available for Cartwheel 1 - Storage, LLC, including a Power Purchase Agreement (PPA) price of $65.2 per MWh, sourced from FERC EQRs. The facility has been mentioned in two news articles, both pertaining to grid-related topics.
Generated from EIA, GEM, and public data sources
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
No generation data available for this plant.
$65.2/MWh
PPA Price
Big Sky Wind, LLC
Contract Seller
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Sulphur Springs Switching Station · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_NORTH
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Texas set for 1.35 GWh of large-scale BESS
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RWE starts construction of battery storage projects with a combined capacity of 450 MW in the U.S.
Construction is underway at RWE's Crowned Heron 1 and 2 and Cartwheel battery storage systems in Texas, with commissioning planned for 2025; Once completed,...
RWE starts construction of battery storage projects with a combined capacity of 450 MW in the U.S.
Construction is underway at RWE's Crowned Heron 1 and 2 and Cartwheel battery storage systems in Texas, with commissioning planned for 2025; Once completed,...
Last updated 2026-03-14
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