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101 MW BESS operating in Reeves, TX
101 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Coordinates
31.1973, -103.3616
County
Reeves, TX
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Flower Valley II | — | — |
| Owner(s) | Flower Valley II | — | — |
| Status | Operating | — | — |
Flower Valley II is a 101 MW battery energy storage system (BESS) located in Reeves County, Texas. The plant, which began operating in 2022, is owned and operated by Flower Valley II. It utilizes lithium-ion batteries (LIB) to provide 200 MWh of energy storage, with a duration of approximately 1.98 hours. The plant's primary fuel source is reported as "MWH" in EIA data, indicating it draws power from the grid to charge its batteries.
The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and the NERC region TRE. Flower Valley II has one generator and is ranked as the 198th largest power plant in Texas out of 224, and 475th nationally out of 514.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric 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
−583 MWh
Net Charging
-9.2K MWh
Annual Net Energy
-1.0%
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.
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Request a demo →2022
$1,205/kW
Est. Construction Cost
Total estimated cost: $121.7M
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Request a demo →Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_WEST
Node Source
Shared substation inference
Last updated 2026-03-26
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