G3 Expansion Project Gains FAST-41 Coverage
Contact Information
Permitting Council Press Office (media@permitting.gov)
WASHINGTON (August 11, 2026) – The Permitting Council is pleased to announce the latest project to gain FAST-41 coverage– the G3 Expansion Project. This is the first project in Illinois to receive FAST-41 coverage. The pipeline project will span Illinois and Wisconsin, and will provide critical infrastructure needed to transport natural gas to meet growing market demand, strengthen electric grid reliability, support continued economic growth, and meet the needs of local distribution companies, power generators, and other end users.
“I am pleased to welcome the G3 Expansion project to FAST-41 coverage,” said Emily Domenech, Permitting Council Executive Director. “As energy demand continues to grow, we can’t allow permitting delays to block projects that will deliver reliable energy to the American people. I look forward to working with FERC and the team at Guardian Pipeline to ensure transparent and efficient permitting for this critical project.”
“We are pleased that the G3 Expansion Project has been accepted into the FAST-41 program," said Christopher Zona, DT Midstream President and COO. "This designation will help deliver greater transparency and predictability to the federal permitting process as we work to expand critical natural gas infrastructure that serves growing demand from utilities and other customers across our footprint.”
The project will consist primarily of new, looped pipeline facilities (the Joliet Loop and the Sycamore Loop) and compression additions, which will provide approximately 536,903 dekatherms per day of incremental natural gas transportation capacity to meet growing demand in the upper Midwest, driven by expansion in power generation as well as traditional residential and commercial use.
The G3 Expansion Project is being developed by Guardian Pipeline, L.L.C. (Guardian), and the Federal Regulatory Commission will serve as the lead federal permitting agency for this project. Learn more about this project on the Federal Permitting Dashboard.
About the Permitting Council and FAST-41
Established in 2015 by Title 41 of the Fixing America’s Surface Transportation Act (FAST-41), the Federal Permitting Improvement Steering Council (Permitting Council) is a federal agency charged with improving the transparency and predictability of the federal environmental review and authorization process for certain critical infrastructure projects. The Permitting Council is composed of the Permitting Council Executive Director, who serves as the Council Chair; 13 federal agency Council members; and the Chair of the White House Council on Environmental Quality and the Director of the Office of Management and Budget. The Office of the Executive Director coordinates federal environmental reviews and authorizations for projects that seek and qualify for FAST-41 coverage, which are in turn entitled to comprehensive permitting timetables and transparent, collaborative management of those timetables on the Federal Permitting Dashboard.
Learn more about the Permitting Council at permitting.gov.
###
Last Updated: Tuesday, August 11, 2026