250 MW Solar operating in Lamar, TX — Electric Reliability Council of Texas, Inc.
250 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Coordinates
33.4775, -95.3259
County
Lamar, 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 | Invenergy Services LLC | Invenergy | — |
| Owner(s) | Invenergy Services LLC | WEC Energy Group | — |
| Status | Operating | operating | — |
Samson Solar Energy III LLC is a 250 MW solar photovoltaic power plant located in Lamar County, Texas. The plant began operating in 2022 and is owned by WEC Energy Group. Invenergy Services LLC is the operator. The plant utilizes fixed-tilt solar tracking technology. It is interconnected to the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority.
In its most recent year of operation, Samson Solar Energy III generated 277,992 MWh of electricity, achieving a capacity factor of 12.7%. The plant ranks 64th out of 192 solar facilities in Texas and 131st out of 639 nationally. Financial data is available for the plant from LBNL, though specific details are not provided.
Generated from EIA, GEM, and public data sources
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
12.9K MWh
Latest Month
278.0K MWh
Annual Generation
12.7%
Capacity Factor
$49.0/MWh
LCOE (Levelized Cost)
$16.0/MWh
Energy Value
Market Position
ISO/RTO Market
ERCOT
LMP Node
IMP_RN1
Pricing Hub
HB_NORTH
Secondary Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
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Last updated 2026-03-14
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