Courtesy Public Notice of Permit Approval of the Chugwater Energy Project; DEQ/ISC: 25-01

Courtesy Public Notice of Permit Approval of the Chugwater Energy Project; DEQ/ISC: 25-01

The Industrial Siting Council has issued an Industrial Siting Permit to Chugwater Energy, LLC to construct and operate the Chugwater Energy Project (Project). The Project is planned to consist of approximately 300 megawatts (MW) of wind energy, 150 MW of solar energy and a 150 MW four-hour duration (600 megawatt-hour) Battery Energy Storage System. The Project will be east of Chugwater and I-25 on private and state land located in Platte County, Wyoming. The site will be accessed via Slater Road (WY 314), Lone Tree Road (Hwy 313) or East Bear Creek Road/Windmill Road (CR 245). The construction workforce is expected to average 253 full-time workers from second quarter of 2026 to first quarter of 2028. The onsite construction workforce is expected to range from a low of 100 workers in May 2026 and January 2027 to a peak of 450 in July 2027.

Pursuant to Wyoming Statute § 16- 3-107, notice was given and the Wyoming Industrial Siting Council conducted a public hearing on the Application for a permit. The hearing occurred on November 20 and 21, 2025 and December 29, 2025 at the Chugwater Community Center at 311 2nd Street, Chugwater, Wyoming 82210. The Council considered the Applicant's request pursuant to the provisions of the Industrial Development and Siting Act (Wyoming Statute § 35-12-101 et seq.), and the rules and regulations adopted thereunder, and rendered a decision to grant the permit.

The public may review a copy of the approved amendment and any associated materials at the office of the WDEQ Industrial Siting Division in Cheyenne, Wyoming or online at:

https://drive.google.com/file/d/1BcRP5NOHUCry8iDI7giA5d0kgnNJJ6jZ/view

The public may review a copy of the permit at the Platte County Clerk Office 800 9^th St, Wheatland, WY 82201, the Goshen County Clerk Office 2125 E A St, Suite 236 Torrington, WY 82240, the Laramie County Clerk Office 309 W 20^th St. #3205 Cheyenne, WY 82001.

Para español, visite deq.wyoming.gov. Americans with Disabilities Act: special assistance or alternative formats of the permit will be made available upon request for individuals with disabilities.

Persons may also review the permit at Department of Environmental Quality, 200 West 17th Street, 4th Floor Cheyenne, Wyoming, 82002 or request more information by emailing the Industrial Siting Division at [email protected].

Dated this 26^th day of February, 2026

Department of Environmental Quality

Industrial Siting Division

200 West 17th Street, 4^th Floor

Cheyenne, Wyoming, 82002

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