Cartwheel 1 - Storage, LLC — Plant Summary
- EIA Plant ID
- 68513
- Capacity
- 150 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Under construction
- Location
- Hopkins, TX
- Operating Since
- —
- Generators
- 1
- Operator
- Big Sky Wind, LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Cartwheel 1 - Storage, LLC
Under constructionBESS
Ranked #112 of 256 BESS plants in TX#239 of 837 nationally
150 MW BESS under construction in Hopkins, TX — Electric Reliability Council of Texas, Inc.
EIA
150 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Location
Coordinates
33.0912, -95.6151
County
Hopkins, TX
Nearby Plants
- Bright Arrow Solar, LLCBESS403.6 MW · 18.3 km
- Hopkins Energy LLCSolar250 MW · 20.0 km
- Claxton SolarBESS226.3 MW · 20.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Big Sky Wind, LLC | — | — |
| Owner(s) | Big Sky Wind, LLC | — | — |
| Status | Under construction | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
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
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
Generation
No generation data available for this plant.
Financial DataBeta
Source: FERC Electric Quarterly ReportsHIGH
$65.2/MWh
PPA Price
Big Sky Wind, LLC
Contract Seller
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint 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.
Sulphur Springs SubstationSubstation
News & Articles (3)Beta
Grid·capacity addition
Texas set for 1.35 GWh of large-scale BESS
French oil major TotalEnergies and German-owned renewables developer RWE have announced plans for five large-scale batteries in the US...
TotalEnergies (developer)RWE (developer)
ESS News·1 years ago
General
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·1 years ago
Grid·capacity addition
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 (developer)
RWE·1 years ago
Last updated 2026-03-14
View all articles