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463.3 MW Batteries (63 MW) + Solar Photovoltaic (400 MW) operating in Upton, TX — Electric Reliability Council of Texas, Inc.
463.3 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2019
Operating Since
Coordinates
31.2194, -102.1922
County
Upton, TX
Nearby Plants
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 | Roadrunner Solar, LLC | Enel Green Power | — |
| Owner(s) | Roadrunner Solar, LLC | Enel | — |
| Status | Operating | operating | — |
Roadrunner, LLC Hybrid is a 463.3 MW hybrid power plant located in Upton County, Texas. The plant, which began operating in 2020, utilizes solar photovoltaic technology as its primary fuel source, and also incorporates battery storage. It is owned by Enel, an Italian company, and operated by Roadrunner Solar, LLC. The facility consists of 3 generators and features single-axis solar tracking. Roadrunner has a 108.6 MWh battery energy storage system (BESS) with a duration of 1.72 hours, utilizing lithium-ion battery chemistry (LIB).
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. In its most recent year of operation, Roadrunner generated 1,080,313 MWh of electricity, achieving a capacity factor of 26.6%. Roadrunner, LLC Hybrid is ranked as the 14th largest solar plant in Texas out of 192, and 26th nationally out of 639. Financial data is available for the plant from LBNL, and it has been mentioned in at least one news article related to grid operations.
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
61.5K MWh
Latest Month
1.1M MWh
Annual Generation
26.6%
Capacity Factor
Data from 2020–2024
$22.6/MWh
Energy Value
Point of Interconnection
Nearest Substation
Roadrunner · 345 kV
Substation Distance
1.636 km
Operator
Enel Green Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
QUEEN_BA_RN
Pricing Hub
HB_WEST
Alt. Hub / Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
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