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  2. Clean Air Power Sector Programs

Key Program Dates & Contacts

On this page: 

  • Key Program Dates
  • Business Center Contacts and Hotline Information
  • Emissions Monitoring Contacts

Key Program Dates

This section highlights the key program dates related to the implementation of the Acid Rain Program, Cross-State Air Pollution Rule, and TX SO2 Trading Program for the calendar year.

YearDateEvent
2025January 30, 2025End of 4th quarter 2024 emissions reporting period
2025February 28, 2025Preliminary CSAPR New Unit Set-Aside (NUSA) allocations published
2025March 3, 2025

Allowance transfer deadline for 2024 ARP compliance period


Deadline to submit specified allowance deductions for 2024 ARP compliance (optional)

2025March 4, 2025Sources can run 2024 ARP final compliance (Note: accounts remain frozen until final compliance is run)
2025March 25, 2025ARP allowance auction
2025April 30, 2025End of 1st quarter 2025 emissions reporting period
2025May 1, 2025

Final CSAPR NUSA allocations published and allowances recorded


TX SO2 Supplemental pool allocations recorded (if necessary)


Beginning of 2025 ozone season

2025Early May 2025EPA runs final 2024 compliance for ARP sources that have not already done so themselves
2025June 2, 2025

Allowance transfer deadline for 2024 control periods under all CSAPR programs and the TX SO2 program


Deadline to submit specified allowance deductions for 2024 CSAPR and TX SO2 compliance (optional)


Deadline for CSAPR states with approved State Implementation Plans (SIPs) to submit state-determined annual allowance allocations for the 2025 control periods

2025June 6, 2025 (on or about)EPA runs final 2024 compliance for CSAPR and TX SO2 sources
2025July 1, 2025

Deadline for EPA to record 2055 annual allowance allocations for the Acid Rain Program


Deadline for EPA to record 2025 allowance allocations for CSAPR Trading Programs


Deadline for EPA to record 2025 allowance allocations for TX SO2 Trading Program

2025July 30, 2025End of 2nd quarter 2025 emissions reporting period
2025August 1, 2025Notice of preliminary 2024 CSAPR assurance provision calculations published in the event of assurance level exceedances
2025September 30, 2025End of 2025 ozone season
2025October 30, 2025End of 3rd quarter 2025 emissions reporting period
2025November 1, 2025Deadline for 2024 CSAPR assurance provisions allowance surrender (if necessary)
2025January 30, 2026End of 4th quarter 2025 emissions reporting period
2024January 30, 2024End of 2023 4th quarter emissions reporting period
2024February 29, 2024Allowance transfer deadline for 2023 ARP compliance period Deadline to submit specified allowance deductions for 2023 ARP compliance (optional)
2024March 1, 2024Preliminary CSAPR New Unit Set-Aside (NUSA) allocations published Sources can run 2023 ARP final compliance (Note: accounts remain frozen until final compliance is run)
2024March 26, 2024ARP allowance auction
2024April 30, 2024End of 1st quarter 2024 emissions reporting period
2024May 1, 2024Final CSAPR NUSA allocations published and allowances recorded TX SO2 Supplemental pool allocations recorded (if necessary) Beginning of 2024 ozone season
2024Early May 2024EPA runs final 2023 compliance for ARP sources that have not already done so themselves
2024June 3, 2024Allowance transfer deadline for 2023 control periods under all CSAPR and TX SO2 programs Deadline to submit specified allowance deductions for 2023 CSAPR and TX SO2 compliance (optional) Deadline for CSAPR states with approved State Implementation Plans (SIPs) to submit state-determined annual allowance allocations for the 2025 control periods
2024June 4, 2024EPA runs final 2023 compliance for CSAPR and TX SO2 sources
2024July 1, 2024Deadline for EPA to record 2054 annual allowance allocations for the ARP program Deadline for EPA to record 2025 annual allowance allocations for CSAPR programs
2024July 30, 2024End of 2nd quarter 2024 emissions reporting period
2024August 1, 2024

Notice of preliminary 2023 CSAPR assurance provision calculations published in the event of assurance level exceedances


Group 3 Allowance Bank Recalibration

2024September 30, 2024End of 2024 ozone season
2024October 30, 2024End of 3rd quarter 2024 emissions reporting period
2024November 1, 2024Deadline for 2023 CSAPR assurance provisions allowance surrender (if necessary)
2023January 30, 2023End of 2022 4th quarter emissions reporting period
2023March 1, 2023Allowance transfer deadline for 2022 ARP compliance period
2023March 1, 2023Deadline to submit specified allowance deductions for 2022 ARP compliance (optional)
2023March 1, 2023Preliminary CSAPR New Unit Set-Aside (NUSA) allocations published
2023March 2, 2023Sources can run 2022 ARP final compliance (Note: accounts remain frozen until final compliance is run)
2023March 28, 2023ARP allowance auction
2023Early May 2023EPA runs final 2022 compliance for ARP sources that have not already done so themselves
2023May 1, 2023Beginning of ozone season
2023May 1, 2023TX SO2 Supplemental pool allocations recorded (if necessary)
2023May 1, 2023Final CSAPR NUSA allocations published and allowances recorded
2023May 1, 2023End of 1st quarter 2023 emissions reporting period
2023June 1, 2023Allowance transfer deadline for 2022 control periods under all CSAPR and TX SO2 programs
2023June 1, 2023Deadline to submit specified allowance deductions for 2022 CSAPR and TX SO2 compliance (optional)
2023June 1, 2023Deadline for CSAPR states with approval State Implementation Plans (SIP) to submit annual allocations
2023June 2, 2023Sources can run 2022 CSAPR final compliance (Note: accounts remain frozen until final compliance is run)
2023June 9, 2023EPA runs final 2022 compliance for CSAPR and TX SO2 sources that have not already done so themselves
2023July 1, 2023Deadline for EPA to record annual allowance allocations for ARP
2023July 31, 2023End of 2nd quarter 2023 emissions reporting period
2023August 1, 2023Notice of preliminary 2022 CSAPR assurance provision calculations published in the event of assurance level exceedances
2023September 30, 2023End of ozone season
2023October 30, 2023End of 3rd quarter 2023 emissions reporting period
2023November 1, 2023Deadline for 2022 CSAPR assurance provisions allowance surrender (if necessary)
2022January 31, 2022End of 2021 4th quarter emissions reporting period
2022March 1, 2022Allowance transfer deadline for 2021 ARP compliance period
2022March 1, 2022Deadline to submit specified allowance deductions for 2021 ARP compliance (optional)
2022March 1, 2022Preliminary CSAPR New Unit Set-Aside (NUSA) allocations published
2022March 2, 2022Sources can run 2021 ARP final compliance (Note: accounts remain frozen until final compliance is run)
2022March 29, 2022ARP Allowance Auction
2022April 30, 2022End of 1st quarter emissions reporting period
2022May 1, 2022Final CSAPR NUSA allocations published and allowances recorded
2022May 1, 2022TX SO2 Supplemental pool allocations recorded (if necessary)
2022Early May 2022EPA runs final 2021 compliance for ARP sources that have not already done so themselves
2022June 1, 2022Allowance transfer deadline for 2021 CSAPR and TX SO2 compliance periods
2022June 1, 2022Deadline to submit specified allowance deductions for 2021 CSAPR and TX SO2 compliance (optional)
2022June 1, 2022Deadline for CSAPR states with approval State Implementation Plans (SIP) to submit annual allocations
2022June 2, 2022Sources can run 2021 CSAPR final compliance (Note: accounts remain frozen until final compliance is run)
2022June 9, 2022EPA runs final 2021 compliance for CSAPR and TX SO2 sources that have not already done so themselves
2022July 1, 2022Annual allowance allocations for ARP recordation deadline
2022August 1, 2022End of 2nd quarter emissions reporting period
2022August 1, 2022Notice of 2021 CSAPR assurance level exceedances published (if necessary)
2022October 1, 2022Final notice of 2021 CSAPR assurance level exceedances published (if necessary)
2022October 31, 2022End of 3rd quarter emissions reporting period

Business Center Contacts and Hotline Information

This section displays contact information within the Clean Air Markets and Power Business Center.  The Hotline is staffed Monday through Friday from 9:00 am to 4:00 pm EST and is closed on Federal holidays.

See Emissions Monitoring Contacts if you have general questions about continuous emissions monitoring or the Emissions Collection and Monitoring Plan System (ECMPS), and for a list of EPA staff contacts by region. 

TopicEmail AddressPhone Number, Option #

Business Center

  • CAMD Business System (CBS)
  • Certificate of Representation
  • Assigning Agents
  • Form Submissions
  • New Unit Exemptions
  • Retired Unit Exemptions
  • General Accounts
  • Long Term Cold Storage
AskCAMD@epa.gov(202) 343-9620, #1
Allowance Transfers, Auction, and Reconciliation processAskCAMD@epa.gov(202) 343-9620, #3
Clean Air Markets Program Data (CAMPD)AskCAMD@epa.gov(202) 343-9620, #4
Applicability and PermittingAskCAMD@epa.gov(202) 343-9620, #5
User IDs, Passwords, and Electronic Signature AgreementsAskCAMD@epa.gov 

Emissions Monitoring Contacts

This section displays a list of CAPD staff contacts by region for emissions monitoring.

See Business Center Contacts for contact information associated with the Clean Air Markets and Power Business Center.

CategoryTopicNamePhone NumberEmail
Emissions MonitoringEmissions Collection and Monitoring Plan System (ECMPS)ECMPS SupportN/Aecmps-support@camdsupport.com
Emissions MonitoringRegion 1 (NH, VT, ME, MA, RI, CT)Charles Frushour202-343-9847frushour.charles@epa.gov
Emissions MonitoringRegion 2 (NY, NJ, PR, VI)Charles Frushour202-343-9847frushour.charles@epa.gov
Emissions MonitoringRegion 3 (PA, MD, DE, DC, VA, WV)Charles Frushour202-343-9847frushour.charles@epa.gov
Emissions MonitoringRegion 4 (KY, TN, NC, SC, MS, AL, GA, FL)Charles Frushour202-343-9847frushour.charles@epa.gov
Emissions MonitoringRegion 5 (MN, WI, MI, IL, IN, OH)Bryan Ramirez202-564-7591ramirez.bryan@epa.gov
Emissions MonitoringRegion 6 (NM, TX, OK, AR, LA)Charles Frushour202-343-9847frushour.charles@epa.gov
Emissions MonitoringRegion 7 (NE, KS, IA, MO)Ronald Sobocinski202-343-9722sobocinski.ron@epa.gov
Emissions MonitoringRegion 8 (MT, ND, SD, WY, UT, CO)Ronald Sobocinski202-343-9722sobocinski.ron@epa.gov
Emissions MonitoringRegion 9 (CA, NV, AZ, HI)Bryan Ramirez202-564-7591ramirez.bryan@epa.gov
Emissions MonitoringRegion 10 (WA, OR, ID, AK)Bryan Ramirez202-564-7591ramirez.bryan@epa.gov
Emissions MonitoringProtocol Gas VerificationBryan Ramirez202-564-7591ramirez.bryan@epa.gov

Clean Air Power Sector Programs

  • Basic Info & Site Map
  • Electric Power Sector Basics
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  • Program Implementation
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    • Power Sector Data
    • Summary Data
    • Allowance Data
    • Environmental Monitoring
Contact Us About Clean Air Power Sector Programs
Contact Us About Clean Air Power Sector Programs to ask a question, provide feedback, or report a problem.
Last updated on October 27, 2025
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