File a municipal light plant financial and operating annual return with the DPU

1. A complete annual return and all supplements, signed and sworn by the mayor, or by the majority of the selectmen or municipal light board, and by the manager that is notarized or otherwise sworn in electronic format and by mail.  
2. A paper and electronic copy of all the filing requirements. Please note that electronic copies must be submitted in Microsoft Excel or be converted to a searchable Adobe pdf document.

The form for the annual return to be used by municipal light plants is outlined in 220 CMR 79.02.  A submitted annual return should include:

1. Municipal light plant annual return, including the names of and salaries paid to all salaried officers. 
2. All annual financial or statistical reports regularly prepared and distributed.

Annual returns must be submitted by March 31st each year, for the previous calendar year ending December 31st. Failure to comply may result in the assessment of penalties.    G.L. c. 164,  § 63.  However, municipal light plants often request extensions from the DPU for filing their annual returns.  Beginning with calendar year 2019 returns, municipal light plants may submit their annual returns on or before September 30th of each year without requesting an extension.

Any requests for extensions of filing annual returns should be submitted to DPU-annualreturns@mass.gov.