Massachusetts System of Assurance of Net Metering Eligibility

Welcome to Massachusetts System of Assurance of Net Metering Eligibility.*

Applications for Cap Allocations (ACAs) to the System of Assurance of Net Metering Eligibility may be submitted through the online application at

User guidance posted at provide instruction to current and prospective System of Assurance users on how to register with the System of Assurance and guidance on ACA requirements and submission

System of Assurance Contacts

For general assistance accessing and using the online Application for Cap Allocation at, including support with user registration, contact us via or through the helpline at (877) 357-9030.

For questions regarding specific Applications for Cap Allocation, please contact us via

Questions regarding net metering rules may be directed to Staci Rubin ( or Morgane Treanton ( with the Massachusetts Department of Public Utilities.

Learn more about Net Metering in Massachusetts at the Department of Public Utilities' website.

System Features

  • Net metering Host Customers (i.e., the utility’s customer of record) must begin and submit ACAs. They may assign project Representatives (e.g., developers, consultants, engineers) to help complete an application.
  • Host Customers applying for space under the Public cap will need a DPU Public Entity ID to register with the System of Assurance. See the Help and Guidance page for an application form.
  • The application fee of $100.00 is to be paid electronically before the submission of an ACA. Any user assigned to the project may pay the application fee (e.g., a project developer may pay the fee on behalf of the Host Customer).
  • Once submitted to the Administrator, the review process frequently lasts from 10 to 15 business days. After a determination of complete or incomplete is made, an automated notice will be sent to the Host Customer Entity and any representatives associated with the ACA. If the ACA is determined to be complete, the notice will indicate if a Cap Allocation if a place on the Waiting List is offered.

Key Dates

January 24, 2013
Effective Date: The Date on which the System of Assurance for Net Metering Eligibility first applied. Facilities seeking Net Metering Services after this date must obtain a Cap Allocation via the System of Assurance.

April 24, 2013
Deadline to Interconnect Facilities with a Transitional Cap Allocation: All facilities seeking a Transitional Cap Allocation must be successfully interconnected on this date to receive a Cap Allocation. Facilities which do not meet the deadline may submit an Application for Cap Allocation to the System of Assurance.

September 26, 2016
Notification Date: Marks the Transition Date from “old regime” net metering (i.e., near-retail rate remuneration) to “new regime” market net metering (valued at 60% of “old regime” net metering credits). Applications for Cap Allocation submitted to the System of Assurance after 2:00pm on this date and receive an allocation will qualify for market net metering.

(*) The System of Assurance was adopted by the Massachusetts Department of Public Utilities (DPU), pursuant to M.G.L. c. 164, §139(g). The Cadmus Group, Inc. was selected to develop and administer the system of net metering assurance per DPU Order 11-11-D (October 25, 2012).