Swoose II — Plant Summary
- EIA Plant ID
- 66008
- Capacity
- 101 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Ward, TX
- Operating Since
- 2022
- Generators
- 1
- Operator
- Swoose II
- Parent Company
- —
- Annual Generation
- -10,196 MWh
- Capacity Factor
- -1.2%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Swoose II
OperatingBESS
Ranked #141 of 256 BESS plants in TX#298 of 837 nationally
101 MW BESS operating in Ward, TX — Electric Reliability Council of Texas, Inc.
EIAWD
101 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Location
Coordinates
31.4511, -103.3618
County
Ward, TX
Nearby Plants
- Rodeo Ranch Energy StorageBESS300 MW · 10.6 km
- TX8 WorshamBESS9.9 MW · 10.8 km
- Cedarville (TX)BESS9.9 MW · 11.0 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Swoose II | — | — |
| Owner(s) | Swoose II | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Swoose II is a 101 MW battery energy storage system (BESS) located in Ward County, Texas. The plant, which began operating in 2022, is owned and operated by Swoose II. It interconnects to the Electric Reliability Council of Texas (ERCOT) grid, within the Texas Reliability Entity (TRE) NERC region. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 200 MWh, providing a duration of approximately 1.98 hours at full output.
Swoose II consists of a single generator. According to available rankings, the plant is the 197th largest in Texas out of 224 facilities, and the 474th largest nationally out of 514. The plant's primary fuel is electricity (MWH), reflecting its role as a storage facility rather than a generator of electricity from other sources.
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
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−893 MWh
Net Charging
-10.2K MWh
Annual Net Energy
-1.2%
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.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Bone Springs Substation · 138 kV
Substation Distance
0 km
Operator
Texas-New Mexico Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
SWOOSEII_RN
Pricing Hub
HB_WEST
Secondary Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
News & Articles (6)Beta
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Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
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Jupiter Power brings operational BESS capacity in Texas to 450MWh with second large-scale project
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Deals·debt financing
Jupiter Power lands US$175 million debt financing for 650MWh BESS portfolio in ERCOT
BESS developer Jupiter Power has closed $174.6m portfolio debt financing for six projects with 650MWh of storage in the Texas ERCOT market.
Jupiter Power (developer)ERCOT (other)
Energy-Storage.News·3 years ago
Last updated 2026-03-21
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