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Current and Recent Commission Hearings
Adjudicatory Hearing - Edge Environmental LLC
October 16 & 17, 2025
Written Rulemaking Hearing - Common Provisions
October 16 & 17, 2025
Written Rulemaking Hearing - Hazardous Air Pollutants Performance Standards - Reg 8
October 16 & 17, 2025
Written Rulemaking Hearing - Stationary Source Performance Standards - Reg 6
October 16 & 17, 2025
Rulemaking Hearing: Regulation Number 30
September 17-19, 2025
Rulemaking Hearing: Regulation Number 28
September 17-19, 2025
Rulemaking Hearing: Regulation Number 31
August 21-22, 2025
Public Comment Hearing: Public Service Company of Colorado
July 1, 2025
Public Comment Hearing: Holly Energy Partners - Operating, L.P. - Denver Products
April 24, 2025
Rulemaking Hearing: Regulation Numbers 3, 7
April 16-18, 2025
Adjudicatory Hearing: Edge Environmental, LLC
February 20, 2025
Rulemaking Hearing: Regulation Number 7
February 19-21, 2025
Public Hearing: PM2.5
January 16, 2025
Rulemaking Hearing: Regulation Number 30
January 16-17, 2025
Rulemaking Hearing: Regulations Numbers 11, 12
January 16, 2025
Rulemaking Hearing: Regulation Numbers 7, 25, 26 27
December 18-20, 2024
Public Comment Hearing: Suncor Energy
December 10 & 14, 2024
Rulemaking Hearing: Procedural Rules
November 20-22, 2024
Rulemaking Hearing: Regulation Number 22
October 16-18, 2024
Written Comment Rulemaking Hearing: Common Provisions
October 16-18, 2024
Rulemaking Hearing: Carbon Monoxide Maintenance Plans including Regulation Number 1, Regulation Number 4, and Air Quality Standards
August 15-16, 2024