Vermont Public Utility Commission Issues Order on Netmetering System Modification

Strategic Insights -

The Vermont Public Utility Commission (Commission) has resolved an interconnection issue related to a proposed modification of a netmetering system located at 219 Hortonia Road in Hubbardton, Vermont. The modification, proposed by Keith Knapp, involves reducing the netmetering system's capacity from 19.47 kW to 10.8 kW. The Commission has deemed a Certificate of Public Good (CPG) issued for the modified project, subject to certain conditions.

Key Takeaways:

  • The Commission has resolved an interconnection issue related to the proposed modification of a netmetering system.
  • The modification involves reducing the netmetering system's capacity from 19.47 kW to 10.8 kW.
  • Keith Knapp, the applicant, has agreed to cover the cost of upgrading the distribution transformer and ensure that the inverters used for the modified project comply with the Inverter Source Requirement Document of ISO New England.
  • The Commission has deemed a CPG issued for the modified project, subject to certain conditions, including completion of the project within one year of the order date.
  • The applicant may commence installation of the modified project, subject to the requirements discussed above.
  • The applicant has confirmed that they will construct and operate the modified project in accordance with the requirements described in GMP's June 20, 2023, filing.

Statistics:

  • The proposed modification involves reducing the netmetering system's capacity by 8.67 kW (19.47 kW - 10.8 kW).
  • The distribution transformer requires an upgrade at the cost of the applicant.
  • The inverters used for the modified project must comply with the Inverter Source Requirement Document of ISO New England.
  • The Commission has deemed a CPG issued for the modified project, which must be commissioned within one year of the date of this Order.
  • The applicant has chosen to commence installation of the modified project, subject to the requirements discussed above.

Sources:

  • Vermont Public Utility Commission (07/14/2023): Case No. 23-2039-PET, Request of Keith Knapp for minor amendment to CPG # 22-3816-NMR.
  • Green Mountain Power Corporation (06/20/2023): Letter raising concerns about the proposed interconnection of the Amended Project.
  • Keith Knapp (06/28/2023): Response to concerns raised by GMP and the Applicant's representation regarding the Amended Project.
  • ISO New England: Inverter Source Requirement Document.