Briefing on Samson Solar Energy III LLC

Samson Solar Energy III LLC is a 250 MW operating solar plant in Texas, demonstrating strong generation growth and strategic expansion plans.

Overview

• Samson Solar Energy III LLC is an operating 250 MW solar photovoltaic (PV) plant located in Texas.

• The plant has been operational since 2022 and consists of 1 generator.

• The parent company is WEC Energy Group, with Invenergy Services LLC acting as both the EIA operator and owner.

Operational Performance

• The plant has an annual generation of 278 GWh with a capacity factor of 12.7%.

• Recent monthly generation includes 23 GWh in October 2025, 23 GWh in November 2025, and 13 GWh in December 2025.

• Generation has shown a strong upward trend, increasing by 27% over the past six months compared to the prior six months.

Financial and Market Context

• The energy value for Samson Solar Energy III LLC is $16.0/MWh (Sources: lbnl_solar, oedi_solar_value).

• Financial data for the plant spans 3 years (2022–2024).

• The plant is part of the ERCOT (Texas) ISO grid.

• A deal valued at $250,000,000 for an acquisition was reported (BizTimes - Milwaukee Business News, 2023-01-31), with WEC Energy Group as the offtaker.

Future Development

• There is 1 active interconnection queue project associated with the plant, totaling 250 MW of solar capacity.

• The earliest proposed commercial operation date for this queue project is June 30, 2026.

Samson Solar Energy III LLC is a key operational solar asset in Texas, demonstrating strong generation growth and significant financial investment. The active interconnection queue project suggests continued expansion and strategic importance in the regional energy market.