9.9 MW BESS operating in Ward, TX — Electric Reliability Council of Texas, Inc.
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
31.4509, -103.0958
County
Ward, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Swoose | — | — |
| Owner(s) | Swoose | — | — |
| Status | Operating | — | — |
Swoose I is a 9.9 MW battery energy storage system (BESS) located in Ward County, Texas. The plant began operating in 2021 and is owned and operated by Swoose. It consists of a single generator utilizing lithium-ion batteries (LIB) to store electricity. The facility has a total storage capacity of 19.8 MWh, providing a duration of 2 hours at its full power output.
Swoose I interconnects to the Electric Reliability Council of Texas (ERCOT) grid, and is located within the TRE NERC region. As of its last ranking, the plant was the 262nd largest in Texas out of 313 facilities, and the 808th largest in the United States out of 1205. There has been one news article related to the plant, categorized under hazards.
Generated from EIA, GEM, and public data sources
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
25 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−77 MWh
Net Charging
-790 MWh
Annual Net Energy
-0.9%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
No financial data available for this plant.
Market Position
ISO/RTO Market
ERCOT
LMP Node
TNPYOTE___1Z
Pricing Hub
HB_WEST
Node Source
EIA-860 direct report
Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
Fire Weather Watch issued March 21 at 2:43AM CDT until March 23 at 12:00AM CDT by NWS Midland/Odessa TX
Last updated 2026-03-21
View all articles