Orion I Solar Project
Solar power plant in Milam County, Texas. 200 MW of nameplate capacity across 1 generator, operated by Ben Milam Solar 1 LLC.
Also known as EIA plant 66859
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 200 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 2024First generator online
- Operator
- Ben Milam Solar 1 LLCEIA operator ID 65788
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Milam County, TX30.9965, −97.0015
- EIA plant ID
- 66859EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Orion I Solar Project produces
Free · EIA-923Net generation, 2025
446 GWh
446,110 MWh, final
Capacity factor, 2025
25.5%
2024: Not reported
January to July 2026
262 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 | 193,405 | Not reported | 5 of 12 |
| 2025 | 446,110 | 25.5% | 12 of 12 |
| 2026 (provisional, partial year) | 262,086 | 25.8% | 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 |
|---|---|---|---|
| ORN1 | Solar Photovoltaic | 200.0 | August 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 1 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.
300 analyst questions a month, plus MCP
Query Orion I Solar Project and 14,224 other projects from Claude or your own tools. Free accounts get 1 question a day.
Power plants near Orion I Solar Project
Questions about Orion I Solar Project
How much power does Orion I Solar Project produce?
Orion I Solar Project reported 446,110 MWh (446 GWh) of net generation in 2025, a 25.5% capacity factor on 200 MW of nameplate capacity. From January to July 2026 it reported 262 GWh, which is provisional.
Where is Orion I Solar Project?
Orion I Solar Project is in Milam County, Texas, at 30.9965, −97.0015. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Orion I Solar Project?
EIA-860M for August 2026 lists Ben Milam Solar 1 LLC as the operator (EIA operator ID 65788). The operator is not always the owner.
When did Orion I Solar Project start operating?
Its first generator began operating in August 2024, according to EIA-860M.
Does InfraMap have power prices for Orion I Solar Project?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Orion I 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