Market Reporting

MSA reports include regular publications such as the MSA’s Annual Report, Year in Review and Quarterly Report, which serve to provide information on market events, trends and observations concerning the fair, efficient and openly competitive operation of the market. Other reports deal with special events, such as investigations. Reports are typically accompanied by a Notice which provides summary information about the content and the motivation behind releasing the report.

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Download 2010 Market Share Offer Control Report 2010 Market Share Offer Control Report MSOC June 28, 2010
Download 2009 Market Share Offer Control Process 2009 Market Share Offer Control Process MSOC September 24, 2009
Download 2008 Wholesale Market Shares of Offer Control 2008 Wholesale Market Shares of Offer Control MSOC July 21, 2008
Download 2006 Market Concentration Metrics 2006 Market Concentration Metrics MSOC November 1, 2006
Download 2022 08 05 MSA Comments and Cover Letter re AEP 2022 TIER Engagement 2022 08 05 MSA Comments and Cover Letter re AEP 2022 TIER Engagement MSA Comments & Submissions August 8, 2022
Download 2022 04 01 MSA Comments re AEP EGDF Draft Methodology 2022 04 01 MSA Comments re AEP EGDF Draft Methodology MSA Comments & Submissions April 28, 2022
Download MSA Vision Mission and Values (2018) MSA Vision Mission and Values (2018) Mandate and Roles; Vision, Mission, Values August 30, 2018
Download MSA Mandate and Roles Document (2015) MSA Mandate and Roles Document (2015) Mandate and Roles; Vision, Mission, Values April 8, 2015
Download Mandate and Roles Document (2023) Mandate and Roles Document (2023) Mandate and Roles; Vision, Mission, Values February 24, 2023
Download Mandate and Roles Document (2023) Mandate and Roles Document (2023) Mandate and Roles; Vision, Mission, Values June 30, 2023
Download Mandate and Roles Document Mandate and Roles Document Mandate and Roles; Vision, Mission, Values April 19, 2021
Download MSA 23-024 MSA 23-024 ISO Rules - Specified Penalties February 22, 2024
Download MSA 23-021 MSA 23-021 ISO Rules - Specified Penalties June 3, 2025
Download MSA 23-003 MSA 23-003 ISO Rules - Specified Penalties November 29, 2024
Download MSA 2025-336 MSA 2025-336 ISO Rules - Specified Penalties August 25, 2025
Download MSA 2025-279 MSA 2025-279 ISO Rules - Specified Penalties July 28, 2025
Download MSA 2025-250 MSA 2025-250 ISO Rules - Specified Penalties July 14, 2025
Download MSA 2025-249 MSA 2025-249 ISO Rules - Specified Penalties July 28, 2025
Download MSA 2025-226 MSA 2025-226 ISO Rules - Specified Penalties July 14, 2025
Download MSA 2025-196 MSA 2025-196 ISO Rules - Specified Penalties September 17, 2025
Download MSA 2025-195 MSA 2025-195 ISO Rules - Specified Penalties September 17, 2025
Download MSA 2025-194 MSA 2025-194 ISO Rules - Specified Penalties July 29, 2025
Download MSA 2025-193 MSA 2025-193 ISO Rules - Specified Penalties July 14, 2025
Download MSA 2025-189 MSA 2025-189 ISO Rules - Specified Penalties July 28, 2025
Download MSA 2025-181 MSA 2025-181 ISO Rules - Specified Penalties July 29, 2025
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