Orion II Solar Project
Solar power plant in Milam County, Texas. 250 MW of nameplate capacity across 1 generator, operated by Ben Milam Solar 2 LLC.
Also known as EIA plant 66941
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 250 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2024First generator online
- Operator
- Ben Milam Solar 2 LLCEIA operator ID 65852
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Milam County, TX31.0290, −96.9348
- EIA plant ID
- 66941EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Orion II Solar Project produces
Free · EIA-923Net generation, 2025
552 GWh
552,136 MWh, final
Capacity factor, 2025
25.2%
2024: 21.1%
January to July 2026
325 GWh
Provisional
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | 116,489 | 21.1% | 3 of 12 |
| 2025 | 552,136 | 25.2% | 12 of 12 |
| 2026 (provisional, partial year) | 324,724 | 25.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · ERCOTEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| ORN2 | Solar Photovoltaic | 250.0 | September 2024 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Ben Milam Solar 2 LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Orion II Solar Project
How much power does Orion II Solar Project produce?
Orion II Solar Project reported 552,136 MWh (552 GWh) of net generation in 2025, a 25.2% capacity factor on 250 MW of nameplate capacity. From January to July 2026 it reported 325 GWh, which is provisional.
Where is Orion II Solar Project?
Orion II Solar Project is in Milam County, Texas, at 31.0290, −96.9348. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Orion II Solar Project?
EIA-860M for August 2026 lists Ben Milam Solar 2 LLC as the operator (EIA operator ID 65852). The operator is not always the owner.
When did Orion II Solar Project start operating?
Its first generator began operating in September 2024, according to EIA-860M.
Does InfraMap have power prices for Orion II Solar Project?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Orion II Solar Project, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page