National Grid
Pre-Application Report Request The information contained or referred to herein is for reference purposes only, and shall not be relied upon for any purposes. The user of this webpage should independently verify all information before proceeding forward with any project.

In Massachusetts, Pre-Application Reports are mandatory for Distributed Generation (DG) systems >=500kW in aggregate AC generation capacity. This step is optional for DG systems <500kW in aggregate AC generation capacity.

To request a Pre-Application Report, please complete the following steps:

Prepare a Pre-Application Report Form (Exhibit B) email the form (and any attachments) to in order to request a Pre-Application Report for the proposed location of the distributed generation system.
  • Attach a map or overhead picture from an online mapping website (e.g. Google Maps, Bing Maps) with the proposed location clearly marked, North indicated (if not at the top), and at least one cross street visible (if possible).
  • A separate email request should be sent for each location that is being inquired about (One Exhibit B per email).
In response to your request, National Grid will provide a Pre-Application Report that describes the electrical service characteristics of the local Electric Power System (EPS) based on the information provided in the request form (Exhibit B).

Please refer to the Interconnection Documents webpage for a high level overview of the DG Interconnection Process and all relevant Interconnection Process documents.

Contact E-mail:

DISCLAIMER: All content and information provided on this 'process' webpage, including links to other National Grid webpages or documents and all of the content and information provided therein, is solely to provide customers, contractors, and other parties with additional useful guidance regarding National Grid's typical distributed generation interconnection process and matters related thereto. In all instances, the content and information provided by National Grid is superseded by the applicable laws, rules, regulations, tariffs, and regulatory decisions governing the distributed generation interconnection process and all matters related thereto in the relevant jurisdictions, all as may be amended from time to time. The content and information contained herein is not intended to be all inclusive of every process or action available to users with respect to the interconnection of distributed generation. It is the sole responsibility of users of this website to independently verify the process to interconnect its distributed generation, as well as the status of any changes, pending changes, or updates to the process described herein. National Grid shall not be held liable under any circumstances for any errors, omissions, inaccurate, and/or out-dated content or information provided herein.