Participant Application Process

The steps to the Participant Application Process are listed chronologically and typically take at least two months to complete. Activation takes place on the first of the month after the requirements below have been met and ISO NE Market and Credit Risk review and approval have been completed.

  1. Apply for a unique D-U-N-S number for the specific company undergoing the ISO application process. A parent company's D-U-N-S number won't be accepted.
  2. Wire the membership application fee (Please email the Membership Coordinator for instructions.)
  3. Complete the following steps and mail original documents to the Senior Membership Support Analyst:

    1. Membership application [DOC]
    2. Security Administrator Signatory Page [PDF]
    3. Copy of State Articles of Incorporation or Formation
    Mail Original Documents to the following address:

    ISO New England Inc.
    One Sullivan Road
    Holyoke, MA 01040-2841
    Attn: Heather Latka
    Senior Membership Support Analyst
  4. Complete the Affiliates Update Process
  5. Complete and submit via fax or email to the ISO NE Billing Department:


    Fax: (413) 535-4024
    Email: billingdept@iso-ne.com

    Please refer to the FAQs for Sales and Use Tax Reporting for additional information.
  6. Complete the following steps and mail original documents to the ISO NE Market and Credit Risk Department:


    Mail Original Documents to the following address:

    ISO New England Inc.
    One Sullivan Road
    Holyoke, MA 01040-2841
    Attn: Market and Credit Risk Department
  7. NEPOOL Membership subcommittee review:


    The applicant will attend the NEPOOL Membership review via teleconference. NEPOOL counsel will provide pertinent meeting information via email meeting invitation.

    NEPOOL Counsel
    Pat Gerity
    (860) 275-0533
    pmgerity@daypitney.com
  8. The following documents will be sent to the applicant via email following the NEPOOL Membership Subcommittee meeting. Complete and mail the original documents to the Senior Membership Support Analyst:

    • Market Participant Service Agreement (MPSA) Form [PDF] (if applicable)
    • Standard Conditions and Waivers [DOC]
    • Indemnification Agreement
    Mail Original Documents to the following address:

    ISO New England Inc.
    One Sullivan Road
    Holyoke, MA 01040-2841
    Attn: Heather Latka
    Senior Membership Support Analyst
  9. Additional market participation requirements and information:

  10. Additional Contact Information

    Senior Membership Support Analyst
    Heather Latka
    (413) 535-4328

    Customer Support
    (413) 540-4220
    custserv@iso-ne.com

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