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Contact Information

Mailing Address:
PO BOX 47250
Olympia WA 98504-7250
Street Address:
1300 S. Evergreen Park Drive SW
Olympia WA 98504-7250
Office Location:Map and Directions
General Phone Number:
Phone: (360) 664-1345
General EFSEC Email Address:

Important Note: Public comments submitted to the Council via the internet or in writing become public records under the Washington State Public Records Act (RCW 42.17). Information included in the comment such as the commentor's e-mail and mailing address becomes a public record once it is provided to EFSEC and may be subject to public inspection, copying and placement on the EFSEC website if not protected by federal or state law. For additional information please see our Privacy Notice.

EFSEC Mailing Lists:

EFSEC Maintains the mailing lists described below. If you would like to be added to one or more of these, please e-mail EFSEC (choose from list below) or call (360) 664-1345.

Documents can be distributed by e-mail, surface mail, or both. Please indicate your mailing method preference and be sure to include your full mailing address if you want to receive these documents by surface mail.

  • EFSEC Minutes and Agendas List: Receive agendas for upcoming EFSEC Council Meetings, and Minutes of past meetings, as well as notices and documentation regarding ALL EFSEC Projects. Add me to the Minutes and Agendas Mail List.

  • EFSEC Project Mailing Lists: EFSEC Staff currently maintain the project related mailing lists listed below. By Subscribing to one or more of these projects you will receive information for that project only.

Add me to the BP Cherry Point Cogen Mailing List
Add me to the Chehalis Generation Facility Mailing List
Add me to the Columbia Generating Station Mailing List
Add me to the Desert Claim Mailing List
Add me to the Kittitas Valley Wind Power Project Mailing List
Add me to the Satsop CT Mailing List
Add me to the Whistling Ridge Energy Project Mailing List
Add me to the Wild Horse Wind Project Mailing List

  • EFSEC Rulemaking Mailing List: Receive notices and updates on any EFSEC rulemaking or rules review activity. Add me to the Rulemaking Mailing List.

EFSEC Staff Contacts:

For information about: Staff to contact:
  • EFSEC Administration
  • Siting and Monitoring Processes
  • Rule Making
  • Legislation
  • Media Inquiries
  • Compliance Monitoring
  • EFSEC Review Process
  • General Council Information
  • Whistling Ridge Energy Project
  • Transmission Line Projects

Stephen Posner
EFSEC Manager

  • EFSEC Review Process
  • Water Discharge Permits
  • Satsop CT
  • Chehalis Generation Facility
  • Kittitas Valley Wind Project
  • Desert Claim Wind Power Project
  • Columbia Generating Station
  • Wild Horse Wind Project
  • BP Cherry Point Cogen Facility
Jim LaSpina
Siting Specialist

  • EFSEC Review Process
  • Tesoro-Savage Crude-by-Rail Project

Sonia Bumpus
Siting Specialist

  • General Council Information
  • Requests for documents
  • Invoices
  • Policies and Procedures
  • Records Management

Tammy Mastro
Commerce Specialist 1

  • General Council Information
  • Council Meetings, Schedules, Agendas, Locations and Minutes
  • Additions to mailing lists
  • Website issues

Joan Aitken
Secretary Supervisor

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