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The Body of State Regulators is an educational forum for western state energy commissioners on western energy market activities and ISO related matters

Body of State Regulators (BOSR)

The primary function of the Body of State Regulators is to provide a forum for state regulators to learn about the Western Energy Imbalance Market (WEIM), WEM Governing Body and related ISO developments that may be relevant to their jurisdictional responsibilities. 

The Body may express a common position in the ISO stakeholder process or to the WEM Governing Body on WEIM issues; and its members are not restricted from taking any position before FERC or any other forum concerning matters related to the WEIM or the ISO. The Body will hold periodic meetings as needed, which can be in-person or by conference call.

Meeting information

Find a calendar of events, meeting materials, and participation information at WEIM-BOSR Meetings.

Learn more about the BOSR at Western Interstate Energy Board (WIEB).

Members

  • AZ - Kevin Thompson, Commissioner, Arizona Corporation Commission
  • CA - Darcie Houck, Commissioner, California Public Utilities Commission
  • ID - John Hammond, Commissioner, Idaho Public Utilities Commission
  • MT - Vacant
  • NM - Gabriel Aguilera, Chair, New Mexico Public Regulation Commission
  • NV - Hayley Williamson, Chair, Nevada Public Utilities Commission
  • OR - Letha Tawney, Chair, Oregon Public Utility Commission
  • SD - Gary Hanson, Chairman, South Dakota Public Utilities Commission
  • TX - Vacant
  • UT - John Harvey, Commissioner, Utah Public Service Commission
  • WA - Milt Doumit, Commissioner, Washington Utilities & Transportation Commission
  • WY - Mike Robinson, Chair, Wyoming Public Service Commission

Leadership

  • BOSR Chair - Gabriel Aguilera, Chair, New Mexico Public Regulation Commission
  • BOSR Vice-chair - John Hammond, Commissioner, Idaho Public Utilities Commission

WEM-BOSR Liaisons

  • Tony Braun, President, Braun Blaising Smith Wynne PCC - Consumer-Owned Utility Sector
  • Agnes Lut, Regulatory Affairs, Salt River Project, Consumer-Owned Utility Sector
  • Doug Marker, Intergovernmental Affairs, Bonneville Power Administration - Power Marketing Administration Sector

Meeting materials

Training materials

Title Type Posted
Presentation - ISO - BOSR Sponsored State Markets Training - Sep 19, 2025 09/19/2025, 11:33 AM
Video - ISO - BOSR sponsored state markets training - Sep 19, 2025 Video and Audio 09/19/2025, 10:56 AM
Presentation - Western Electricity Markets Training - Dec 11, 2024 01/23/2025, 11:29 AM
Video - Western Electricity Markets Training - Dec 11, 2024 Video and Audio 12/11/2024, 10:56 AM
Presentation - Western Electricity Markets Training - Game-Based Electricity Markets Training - May 9 and 10, 2024 05/10/2024, 1:14 PM
Presentation - Western Electricity Markets Training - Summer Readiness Update - May 9, 2024 05/10/2024, 12:28 PM
Document - Western Electricity Markets Training - CAISO Reference Material - May 9, 2024 05/10/2024, 12:28 PM
Presentation - Western Electricity Markets Training - ISO Market and EDAM Overview - May 9, 2024 05/10/2024, 12:28 PM
Presentation - Western Electricity Markets Training - DMM Overview - May 9, 2024 05/10/2024, 12:28 PM
Video - Western Electricity Markets Training - May 9, 2024 Video and Audio 05/09/2024, 10:56 AM
Presentation - Body of State Regulators Market Transactions Training - Oct 19, 2022 10/25/2022, 8:12 AM
Video - Body of State Regulators Market Transactions Training - Oct 19, 2022
NOTE: this video is audio only until the 3:53 minute mark.
Video and Audio 10/19/2022, 10:58 AM
WEIM Training for Body of State Regulators - Jun 1, 2022 06/10/2022, 4:21 PM
Overview - Current Day-Ahead Market - Jun 1, 2022 06/10/2022, 4:21 PM
Video - WEIM Training for Body of State Regulators - Jun 1, 2022 Video and Audio 06/01/2022, 10:58 AM
Video - Overview - Current Day-Ahead Market - Jun 1, 2022 Video and Audio 06/01/2022, 10:58 AM
Video - Existing Real-Time Market Overview - Jun 18, 2020 Video and Audio 06/18/2020, 10:58 AM
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For information on or assistance with the Body of State Regulators, please contact:

Holly Taylor 
htaylor@caiso.com