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101 MW BESS operating in Ward, TX — Electric Reliability Council of Texas, Inc.
101 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Coordinates
31.4511, -103.3618
County
Ward, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Swoose II | — | — |
| Owner(s) | Swoose II | — | — |
| Status | Operating | — | — |
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
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−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.
2022
$1,205/kW
Est. Construction Cost
Total estimated cost: $121.7M
Point 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
Alt. Hub / Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
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ask pi about Swoose IIElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP