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470.2 MW Batteries (120 MW) + Onshore Wind Turbine (350 MW) operating in Throckmorton, TX
470.2 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Onshore Wind Turbine
2023
Operating Since
Coordinates
33.1691, -99.2660
County
Throckmorton, 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 | Azure Sky Wind Project, LLC | Enel Green Power | — |
| Owner(s) | Azure Sky Wind Project, LLC | Enel | — |
| Status | Operating | operating | — |
The Azure Sky Wind Project, LLC Hybrid is a 470.2 MW hybrid power plant located in Throckmorton County, Texas. The plant, which began operating in 2024, is owned and operated by Azure Sky Wind Project, LLC, a subsidiary of the Italian company Enel. The facility utilizes both onshore wind turbines and battery storage. It ranks as the 22nd largest power plant in Texas out of 224, and 73rd nationally out of 514. The plant connects to the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority.
The hybrid plant consists of two generators using wind and battery storage technologies. The wind turbines are manufactured by Nordex, model N149/4.8, with a rotor diameter of 149 meters and a hub height of 108 meters. The battery energy storage system (BESS) has a capacity of 190 MWh and a duration of 1.58 hours, utilizing lithium-ion battery chemistry. In its latest year of operation, the plant generated 1,220,523 MWh of electricity, achieving a capacity factor of 29.6%.
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
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
122.5K MWh
Latest Month
1.2M MWh
Annual Generation
29.6%
Capacity Factor
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $639.9M
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Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_NORTH
Node Source
OSM spatial match
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.
Last updated 2026-03-26
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