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400 MW Batteries (200 MW) + Solar Photovoltaic (200 MW) planned in Matagorda, TX
400 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
28.8660, -96.1217
County
Matagorda, TX
Nearby Plants
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Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Eldora Energy LLC | Eldora Energy | — |
| Owner(s) | Eldora Energy LLC | Advanced Power | — |
| Status | Planned | announced | — |
Eldora Energy LLC is a 400 MW hybrid power plant located in Matagorda County, Texas. The plant, owned and operated by Eldora Energy LLC, a subsidiary of the Swiss company Advanced Power, utilizes both battery storage and solar photovoltaic technologies. It consists of two generators and is fueled by MWH (presumably electricity from the grid, given the battery component). The solar array uses a fixed tilt tracking system.
Eldora Energy LLC operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region. It is ranked as the 29th largest power plant in Texas out of 224, and 99th nationally out of 514. The plant's hybrid nature and location in the ERCOT market have garnered some industry attention, as evidenced by two news articles, one focusing on deals and the other on general industry news.
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
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $544.4M
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Point of Interconnection
Nearest Substation
South Texas Project Tap · 138 kV
Substation Distance
< 10 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_HOUSTON
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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