Orion I Solar Project — Plant Summary
- EIA Plant ID
- 66859
- Capacity
- 200 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Milam, TX
- Operating Since
- 2024
- Generators
- 1
- Operator
- Ben Milam Solar 1 LLC
- Parent Company
- —
- Annual Generation
- 446,110 MWh
- Capacity Factor
- 25.4%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Orion I Solar Project
OperatingSolar
Ranked #141 of 351 Solar plants in TX#324 of 7447 nationally
200 MW Solar operating in Milam, TX — Electric Reliability Council of Texas, Inc.
EIAGEM
200 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2024
Operating Since
Location
Coordinates
30.9965, -97.0015
County
Milam, TX
Nearby Plants
- Orion II Solar ProjectSolar250 MW · 7.3 km
- BT JungmannSolar40 MW · 11.6 km
- Orion III Solar ProjectSolar250 MW · 12.4 km
Ownership & Operator
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 | Ben Milam Solar 1 LLC | SB Energy Corp | — |
| Owner(s) | Ben Milam Solar 1 LLC | SB Energy Corp | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as SB Energy Corp
This entity is not yet in the GEM ownership database — chain unavailable.
About
The Orion I Solar Project is a 200 MW solar photovoltaic power plant located in Milam County, Texas. The plant, owned and operated by Ben Milam Solar 1 LLC, commenced operations in 2024. It utilizes single-axis tracking technology to maximize solar energy capture. The plant is interconnected to the Electric Reliability Council of Texas (ERCOT) grid, operating within the TRE NERC region.
In its most recent year of operation, Orion I generated 446,110 MWh of electricity, achieving a capacity factor of 25.4%. Financial data is available for the plant from LBNL, though specific figures are not provided. Orion I is ranked as the 102nd largest solar plant in Texas out of 192, and the 222nd largest in the United States out of 639.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
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
Interconnection Queue1 projectBeta
Stoneridge Solar
OperationalSolar201.6 MWERCOT
Generation
20.9K MWh
Latest Month
446.1K MWh
Annual Generation
25.4%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$34.6/MWh
LCOE (Levelized Cost)
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
AURO_SLR_RN
Pricing Hub
HB_NORTH
Secondary Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
Deals·project finance
SB Energy secures $1 billion from OpenAI and SoftBank for Stargate datacenter expansion
The investment supports the development of a 1.2 GW AI data center campus in Milam County, Texas, and integrated solar and energy storage...
SB Energy (developer)OpenAI (lender)
pv magazine USA·2 months ago
Industry·capacity addition
Texas Is Absolutely Rolling In New Solar Power Plants
Solar power is still alive and kicking in Texas, where a new billion-dollar, 408-megawatt solar project has just begun commercial operation.
Texas (other)
CleanTechnica·8 months ago
Industry·capacity addition
Microsoft activates 408 MW Ash Creek solar project in Texas
Primergy Solar has brought the 408 MWac Ash Creek solar facility in Texas online, adding new capacity to the Electric Reliability Council of...
Microsoft (buyer)Primergy Solar (developer)
pv magazine International·8 months ago
Deals·ppa
Primergy Solar Commissions 408 MWac Ash Creek Solar Project in Texas
The 408 MWac solar photovoltaic power plant is now delivering affordable energy to the grid in partnership with Microsoft through a long-term power purchase...
Primergy Solar (developer)Microsoft (buyer)
Energetica India Magazine·8 months ago
Last updated 2026-03-14
View all 10 articles