Sub T–Iowa/Illinois State Line–Woodford County (STIW) Transmission Project
Sector: Power Generation (CCGT) • Location: Woodford County, Illinois, Iowa, United States
Source: SolarQuarter
The STIW project involves building two new 765-kilovolt (kV) transmission lines stretching roughly 149 miles. The first line will run from the Woodford County Substation westward to the Iowa/Illinois state line, and the second line will continue west toward the Sub T Substation in Iowa. This project is part of a new 765-kV transmission backbone to strengthen the Midwest electric grid, improve reli
- Status
- Prospective
- Sector
- Power Generation (CCGT), Government, Commercial, Power Transmission
- Location
- Woodford County, Illinois, Iowa, United States of America
- Updated
- 22 Jul 2026
- Source
- SolarQuarter
ConstructChat
Ask ConstructChat about Sub T–Iowa/Illinois State Line–Woodford County (STIW) Transmission Project
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The STIW project involves building two new 765-kilovolt (kV) transmission lines stretching roughly 149 miles. The first line will run from the Woodford County Substation westward to the Iowa/Illinois state line, and the second line will continue west toward the Sub T Substation in Iowa. This project is part of a new 765-kV transmission backbone to strengthen the Midwest electric grid, improve reliability, and deliver cost-competitive energy. |
Original sector | Energy |
Budget |
Location
Country | United States of America (USA) |
State | Illinois, Iowa |
City | Woodford County |
Source
Source | SolarQuarter |
URL |
More Details
Record type | Project |
Sector | Power Generation (CCGT), Government, Commercial, Power Transmission |
Article published date | 2026-05-23 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project
More Power Generation (CCGT) projects in United States
- EPC of Turbine and Foundation Structure in the Southwest Sea Wind Power Demonstration Complex
- Engineering, Procurement, and Construction of Third Bosphorus Bridge
- Tampa Bay Seawater Desalination Plant
- Carlsbad Desalination Project, San Diego, California
- Joint Base Lewis-McChord
- Fort Benning, Georgia
- Naval Base San Diego, California
- Dover Air Force Base