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600 MW Batteries (300 MW) + Solar Photovoltaic (300 MW) planned in Austin, TX — Electric Reliability Council of Texas, Inc.
600 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
29.6742, -96.1214
County
Austin, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Vesper Energy Development LLC | Vesper Energy | — |
| Owner(s) | Vesper Energy Development LLC | Vesper Energy | — |
| Status | Planned | announced | — |
GEM identifies the owner as Vesper Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Sunrose Renewable Energy, located in Austin County, Texas, is a hybrid power plant with a total capacity of 600 MW. The plant, identified by the EIA plant code 68033, is owned and operated by Vesper Energy Development LLC. It utilizes both solar photovoltaic technology and battery storage, with electricity (MWH) listed as the primary fuel. The solar component uses a fixed tilt tracking system.
The plant consists of two generators and operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, falling under the TRE NERC region. Sunrose Renewable Energy is a significant power producer in Texas, ranking as the 13th largest out of 224 plants in the state and 42nd largest nationally out of 514 plants. Recent news coverage includes 10 articles, with topics including industry trends, regulatory matters, grid operations, and business deals.
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: $925.8M
Point of Interconnection
Nearest Substation
Wallis Substation · 138 kV
Substation Distance
< 10 km
Operator
CenterPoint Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
Sealy-Wallis138
Pricing Hub
HB_HOUSTON
Node Source
EIA-860 direct report
Last updated 2026-04-19
View all 5 articlesElectric 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
Top 10 solar states
Data tables and metrics from the powerplantsinfo.org database.