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210 MW Solar operating in Grimes, TX — Electric Reliability Council of Texas, Inc.
210 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2026
Operating Since
Coordinates
30.6512, -96.0913
County
Grimes, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Grimes County Solar Project, LLC | — | — |
| Owner(s) | Grimes County Solar Project, LLC | — | — |
| Status | Operating | construction | — |
Grimes County Solar is a 210 MW solar photovoltaic power plant located in Grimes County, Texas. The plant, identified by plant ID 67046, utilizes fixed-tilt solar tracking technology. It is owned and operated by Grimes County Solar Project, LLC. The plant's primary fuel source is solar energy (SUN), and it consists of a single generator.
Grimes County Solar operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority and the TRE NERC region. According to available rankings, the plant is the 88th largest in Texas out of 192 plants and the 186th largest nationally out of 639 plants. The plant has been the subject of 10 news articles, with coverage focusing on industry trends, grid integration, and hazard-related events.
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: $324.0M
Point of Interconnection
Nearest Substation
Keith Switching Station · 138 kV
Substation Distance
< 10 km
Operator
Brazos Electric
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 2026-04-19
View all 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.