HomeMy WebLinkAbout20260054 -r:'r. COLORADO
0 'j Department of Public
® Health&Environment
Weld County - Clerk to the Board
1150OSt RECEIVED
PO Box 758 DEC 2 9 2025
WELD COUNTY
Greeley, CO 80632 COMMISSIONERS
December 29, 2025
To whom it may concern:
On December 29, 2025, the Air Pollution Control Division will begin a 30-day public notice
period for Tri-State Generation and Transmission Association, Inc. - JM Shafer Generating
Station. A copy of this public notice is enclosed.
Thank you for assisting the Division by posting a copy of this notice in your office. A public
copy of this notice is required by Colorado Air Quality Control Commission regulations. The
notice must be available for public inspection for a period of thirty (30) days from the
beginning of the public notice period. Please reference the public notice for instructions on
submitting comments.
Enclosure
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" -_,: 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 CDPHE Website
*W** Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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Air Pollution Control Division
CO 4441 Notice Of A Proposed Renewal Title V Operating Permit Warranting
CDPHE Public Comment
Website Title: Tri-State Generation and Transmission Association, Inc. - JM Shafer Generating
Station - Weld County
Notice Period Begins: December 29, 2025
Notice Period Ends: January 28, 2026
NOTICE is hereby given that an application to renew an Operating Permit has been submitted to
the Colorado Air Pollution Control Division, 4300 Cherry Creek Drive South, Denver, Colorado
80246-1530, for the following source of air pollution:
Applicant: Tri-State Generation and Transmission Association, Inc.
1100 West 116th Avenue
Westminster, CO 80234
Facility: JM Shafer Generating Station
Tri-State Generation and Transmission Association, Inc. has applied to renew the Operating Permit
for the JM Shafer Generating Station in Weld County, CO. This facility consists of five (5)
combustion turbine/duct burner packages that are used to produce electricity for sale. No separate
modification applications were processed with this renewal application. No changes to permitted
emissions were made with this renewal application. A copy of the application, including
supplemental information, the Division's analysis, and a draft of the Renewal Operating Permit
95OPWE096 are available on the Division's website. The Division has made a preliminary
determination of approval of the application. Based on the information submitted by the applicant,
the Division has prepared the draft renewal operating permit for approval. Any interested person
may contact the Division at cdphe_apcd_title_v@state.co.us to obtain additional information. Any
interested person may submit written comments to the Division concerning 1) the sufficiency of the
preliminary analysis, 2) whether the permit application should be approved or denied, 3) the ability
of the proposed activity to comply with applicable requirements, 4) the air quality impacts of,
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alternatives to, and control technology required on the source or modification, and 5) any other
appropriate air quality considerations. Any interested person may submit a written request to the
Division for a public comment hearing before the Colorado Air Quality Control Commission
(Commission) to receive comments regarding the concerns listed above as well as the sufficiency of
the preliminary analysis and whether the Division should approve or deny the permit application. If
requested, the hearing will be held before the Commission within 60 days of its receipt of the
request for a hearing unless a longer time period is agreed upon by the Division and the applicant.
The hearing request must: 1) identify the individual or group requesting the hearing, 2) state his or
her address and phone number, and 3) state the reason(s) for the request, the manner in which the
person is affected by the proceedings, and an explanation of why the person's interests are not
already adequately represented. The Division will receive and consider the written public
comments and requests for any hearing for thirty calendar days after the date of this Notice.
Comments may be submitted using the following options:
• Use this web form. This page also includes guidance for public participation
• Send an email to cdphe_apcd_airpermitcomments@state.co.us
• Send comments to our mailing address:
Title V Operating Permits Unit
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-B1
Denver, Colorado 80246-1530
NOTE: Comments submitted to the Division will be uploaded to an online document repository and
will be accessible to the public. Your comments and the division's responses are not considered
confidential and will be publicly accessible, including your name and any other personal
information you provide in your comments.
Hearing requests may be submitted to the email address or the mailing address noted above.
Note that the draft/proposed permit is subject to parallel EPA review (pursuant to 40 CFR 5
70.8(a)(1) and 40 C.F.R. § 70.8(a)(1)(ii)).
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2.02 2 I Health 6 Environment
45-Day EPA Review Period Start Date: December 30, 2025
45-Day EPA Review Period End Date: February 13, 2026
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