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150 MW Solar operating in Polk, TX — Midcontinent Independent Transmission System Operator, Inc..
150 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Coordinates
30.6688, -94.7835
County
Polk, 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 | Umbriel Solar, LLC | Longroad Energy | — |
| Owner(s) | Umbriel Solar, LLC | Longroad Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as Longroad Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Umbriel Solar is a 150 MW solar photovoltaic power plant located in Polk County, Texas. The plant began operating in 2023 and is owned and operated by Umbriel Solar, LLC. It consists of a single generator utilizing single-axis tracking technology. Umbriel Solar is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority.
In its most recent year of operation, Umbriel Solar generated 318,883 MWh of electricity, achieving a capacity factor of 24.2%. The plant holds a rank of 148 out of 192 solar facilities in Texas, and a national rank of 385 out of 639. Financial data indicates a power purchase agreement (PPA) price of $34.4 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
14.6K MWh
Latest Month
318.9K MWh
Annual Generation
24.2%
Capacity Factor
Umbriel Solar, LLC · Data from 2023–2025
$35.0/MWh
PPA Price
Point of Interconnection
Nearest Substation
Gulf Switching Station · 138 kV
Substation Distance
0.771 km
Operator
Entergy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
EES.UMBRIELSOL
Pricing Hub
TEXAS.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
View all 5 articlesNo ask pi reports yet for this entity.
ask pi about Umbriel SolarMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP