Municipal Aggregation Rate Information: May 2018 to November 2018

Learn about Marlborough's rate for power supply for the next six months

New Supplier and New Lower Rate for Marlborough's Municipal Aggregation Program

Beginning with electricity meter reads in May 2018, the new supplier for the City of Marlborough's Municipal Aggregation Program will be Public Power. The residential rate will be $0.10159 per kilowatt hour, which will achieve a savings compared to National Grid's basic service rate for this time period: $0.10870. This rate will be effective for six months and is lower than the rate for the previous 6 months. 

The full Public Notice with detailed information can be found by clicking here. 

Also, beginning in May, residents interested in purchasing their electricity supply from a source with higher renewable energy may do so by opting in to a the Optional Green program by contacting Public Power (800) 830-2944. This option provide 100% renewable energy. The Green Rate is still below National Grid's basic service and will cost $0.10226 per kilowatt hour. 

If you have any questions, please do not hesitate to contact Colonial Power at 508-485-5858 or visit their website. You may also contact Mayor Vigeant's office at 508-460-3770 or

Marlborough New Rates and Term

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