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200 MW Solar operating in Lamar, TX — Electric Reliability Council of Texas, Inc.
200 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
33.4580, -95.3490
County
Lamar, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Invenergy Services LLC | Invenergy | — |
| Owner(s) | Invenergy Services LLC | Invenergy LLC | — |
| Status | Operating | operating | — |
Samson Solar Energy II LLC is a 200 MW solar photovoltaic power plant located in Lamar County, Texas. The plant, which began operating in 2025, is owned and operated by Invenergy Services LLC. It utilizes a single generator and fixed-tilt solar tracking technology. The plant's primary fuel source is solar energy (SUN).
In its latest year of operation, Samson Solar Energy II generated 302,735 MWh of electricity, achieving a capacity factor of 20.6%. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is within the Texas Reliability Entity (TRE) NERC region. Samson Solar Energy II ranks as the 113th largest solar plant in Texas out of 192, and 261st nationally out of 639.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
20.9K MWh
Latest Month
302.7K MWh
Annual Generation
20.6%
Capacity Factor
2023
$1,543/kW
Est. Construction Cost
Total estimated cost: $308.6M
Market Position
ISO/RTO Market
ERCOT
LMP Node
IMP_RN1
Pricing Hub
HB_NORTH
Alt. Hub / Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesElectric 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
Top 10 solar states
Data tables and metrics from the powerplantsinfo.org database.