Net metering filings and tariffs

Here you can view a list of net metering filings including rulemakings and regulations, policy investigations, petitions, and electric company tariffs.

1. Overview of filing status

For your convenience, the DPU has identified the status of the different filings.

• open: the DPU has not yet issued a final order
• closed: the DPU has issued a final order
• withdrawn: the petitioner withdrew the application and the DPU did not issue an order
• granted: the DPU granted the petitioner's petition
• denied: the DPU denied the petitioner's petition

2. Rulemakings and regulations

Case number	Subject of rulemaking	Case status
D.P.U. 21-100	Rulemaking on net metering	Open
D.P.U. 17-10	Rulemaking on net metering	Closed
D.P.U. 16-64	Emergency rulemaking	Closed
D.P.U. 14-104	Rulemaking on net metering	Closed
D.P.U. 12-81	Net metering and emergency rulemaking	Closed
D.P.U. 11-10	Rulemaking on net metering	Closed
D.P.U. 08-75	Rulemaking on net metering	Closed

July 2023 update on DPU implementation of net metering laws 

3. Policy investigations

Case number	Subject of investigation	Case status
D.P.U. 23-20	Investigation into Revisions to the Single Parcel Rule	Open
D.P.U. 18-54	Order of delegation for public ID numbers	Closed
D.P.U. 17-146	Inquiry into the eligibility of energy storage systems to net meter, and application of the net metering rules and regulations relating to the participation of certain net metering facilities in the Forward Capacity Market	Open
D.P.U. 17-22	Inquiry into application of the net metering regulations and the “single parcel” and “subdivision rules”	Open
D.P.U.14-118	Investigation regarding the feasibility, impacts and benefits of allowing electric distribution company customers to net meter electricity generated by small hydroelectric facilities.	Closed
D.P.U. 11-75	Inquiry into interconnection	Closed
D.P.U. 11-11	Inquiry into net metering and interconnection of distributed generation	Closed
D.P.U. 09-03	Investigation to develop tariffs governing net metering	Closed

4. Petitions for exceptions

Case number	Petitioner	Subject of petition	Case status
D.P.U. 23-90	Solect Energy Development	exception to the net metering regulations and to the Single Parcel Rule	Open
D.P.U. 22-84	Great Sky Solar	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U. 22-07	Town of Needham	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U. 21-85	Avalon Bay Communities, Inc.	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 21-73	Avalon Bay Communities, Inc.	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 21-17	Ameresco, Inc.	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U.20-118	Ameresco, Inc.	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 20-94	Main South Community Development Corporation	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 20-43	Women's Institute for Housing and Economic Development	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 19-33	The Pomponoho Pines Community	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U.18-103	BluewaWave MA	exception to the net metering regulations and to the System of Assurance Rules	Granted
D.P.U. 18-17	Borrego Solar Systems	exception to the Subdivision Rule	Granted
D.P.U.17-168	Massachusetts Audubon Society	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U.17-137	Susan Roberts and Patricia Roberts	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 17-111	John de Kadt and David de Kadt	exception to the net metering regulations and to the Single Parcel Rule	Denied
D.P.U.17-105	Tesla	declaratory order or advisory ruling	Closed
D.P.U. 17-50	Northstar Pulp & Paper Co., Inc.	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U. 17-34	C.H. Yates Rubber Corp.	exception to the net metering regulations and to the System of Assurance rules	Denied
D.P.U. 17-30	Econox Renewables	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 17-01	Rayah Solar	exception to the net metering regulations	Denied
D.P.U.16-190	John E. Godfrey	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U.16-166	SunPower Corporation	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U.16-157	Powerhead, LLC	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U.16-147	Clean Energy Design, LLC	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U.16-146	PRI Renewable Energy, LLC	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U.16-119	SHR Energy Management, LLC	exception to the net metering regulations and to the Single Parcel Rule	Denied
D.P.U.16-117	Solar Coalition	exception to the net metering regulations and to the Single Parcel Rule	Open
D.P.U.16-116	Genbright	declaratory order requiring National Grid to comply with the terms of the DPU's order adopting model net metering tariff in D.P.U. 09-03-A (2009)	Closed
D.P.U. 16-93	Energy Positive Homes	exception to the net metering regulations and to the Single Parcel Rule	Withdrawn
D.P.U. 16-70	Timothy Kane	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 16-55	Preservation for Affordable Housing	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 16-36	Jonathan Bracken	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 16-25	SolarFlair Energy	exception to the net metering regulations and to the Single Parcel Rule	Denied
D.P.U. 16-23	Lodestar Energy, LLC	exception to the net metering regulations and to the Subdivision Rule	Granted
D.P.U. 16-21	Solect Energy Development, LLC	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U.15-182	SunEdison, LLC	clarification of a net metering order or, in the alternative, an exception to the net metering regulations	Denied
D.P.U.15-174	NSTAR Electric Company d/b/a Eversource Energy	Declaratory order concerning net metering rules and regulations	Granted
D.P.U.15-159	Borrego Solar Systems	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U.15-132	Jonathan Le Roux and Krishnan V. Rajan	exception to the Subdivision Rule	Granted
D.P.U.15-124	SunEdison	exception to the net metering regulations and to the Single Parcel Rule	Denied
D.P.U.15-116	Genbright, LLC	exception to the net metering regulations	Withdrawn
D.P.U. 15-77	SolarCity Corporation	advisory ruling with respect to the applicability of 220 CMR 18.00 et seq. and G.L. c. 164 § §  138 to 140 to a completed solar and storage project seeking to participate in net metering with NSTAR Electric d/b/a Eversource Energy	Withdrawn
D.P.U. 15-74	Direct Energy Solar	exception to the net metering regulations and to the Single Parcel Rule	Granted
D.P.U. 15-32	The Cadmus Group, Inc.	investigation into the matter of interpretation and application of DPU orders with respect to the administration of the System of Assurance	Closed
D.P.U. 15-11	Massachusetts Electric Company and Nantucket Electric Company d/b/a National Grid	reconciliation of data in the System of Assurance	Granted
D.P.U.14-149	BCC Solar Energy Advantage, Inc.	exception to the net metering regulations	Granted
D.P.U.14-119	Paragon Holdings LLC	transfer a previously paid reservation fee for the same project from its initial cap reservation to its updated reservation.	Granted
D.P.U. 14-93	Syncarpha Solar, LLC	exception to the Subdivision Rule	Granted
D.P.U. 14-77	Seaboard Solar, LLC	exception to the System of Assurance rules	Granted
D.P.U. 14-62	Soltas Energy	exception to the System of Assurance rules	Denied
D.P.U. 13-68	Syncarpha Bolton	exception to the net metering regulations	Withdrawn
D.P.U. 13-08	Massachusetts Electric Company d/b/a National Grid	advisory ruling	Denied
D.P.U. 12-85	EMI Dartmouth Solar	exception to the net metering regulations	Granted
D.P.U. 12-80	Borrego Solar Systems	exception to the net metering regulations	Denied
D.P.U. 12-79	Borrego Solar Systems	exception to the net metering regulations	Denied
D.P.U. 11-96	Cape & Vineyard Electric Cooperative	exception to the net metering regulations	Denied

5. Tariffs

Case Number	Subject	Case Status
D.P.U. 19-24	Joint petition to revise model tariffs governing net metering and SMART	Open
D.P.U. 18-04	Proposed joint revised model net metering tariff, pursuant to D.P.U. 17-10-A	Closed

Last updated:	August 30, 2023