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400 MW Batteries (200 MW) + Solar Photovoltaic (200 MW) planned in Swisher, TX — Electric Reliability Council of Texas, Inc.
400 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
34.4834, -101.9699
County
Swisher, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Vesper Energy Development LLC | Vesper Energy | — |
| Owner(s) | Vesper Energy Development LLC | Vesper Energy | — |
| Status | Planned | pre-construction | — |
GEM identifies the owner as Vesper Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Hornet Solar II is a 400 MW hybrid power plant located in Swisher County, Texas. The plant, which combines solar photovoltaic generation with battery storage, is operated by Vesper Energy Development LLC. It interconnects to the Electric Reliability Council of Texas (ERCOT) grid, falling within the TRE NERC region. The facility ranks as the 25th largest power plant in Texas out of 224, and 98th nationally out of 514.
The plant consists of two generators utilizing both solar photovoltaic and battery technologies. The primary fuel type is listed as MWH, indicating the plant's reliance on electricity generation and storage. The solar array employs a fixed tilt tracking system. Hornet Solar II is classified as a hybrid plant due to its integration of battery storage alongside solar generation.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
No generation data available for this plant.
2023
$1,543/kW
Est. Construction Cost
Total estimated cost: $617.2M
Market Position
ISO/RTO Market
ERCOT
LMP Node
OZARK/345KV
Pricing Hub
HB_WEST
Node Source
EIA-860 direct report
Last updated 2026-03-14
View all articlesElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Top 10 solar states
Data tables and metrics from the powerplantsinfo.org database.