10 MW Solar operating in Webb, TX — Electric Reliability Council of Texas, Inc.
10 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2019
Operating Since
Coordinates
27.4234, -98.8303
County
Webb, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Sol Systems | Sol Systems | — |
| Owner(s) | Sol Systems | — | — |
| Status | Operating | operating | — |
Mars Solar is a 10 MW solar photovoltaic power plant located in Webb County, Texas. The plant began operating in 2019 and has one generator. It is owned and operated by Sol Systems. The facility utilizes single-axis tracking to maximize solar energy capture. Mars Solar is interconnected to the Electric Reliability Council of Texas (ERCOT) grid and falls within the TRE NERC region.
In its most recent year of operation, Mars Solar generated 20,515 MWh of electricity, achieving a capacity factor of 23.3%. According to available data, the plant ranks 243rd out of 298 power plants in Texas and 1817th out of 7108 plants nationally. Financial data is available for Mars Solar from LBNL Solar.
Generated from EIA, GEM, and public data sources
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
12.47 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
965 MWh
Latest Month
20.5K MWh
Annual Generation
23.3%
Capacity Factor
$41.3/MWh
LCOE (Levelized Cost)
$28.6/MWh
Energy Value
Point of Interconnection
Nearest Substation
Bruni Substation · 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_SOUTH
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
View all 9 articles