Heat Pumps: Great News for Winter Savings We have exciting news for households using heat pumps this winter! A new seasonal heat pump rate for Massachusetts’ residential electric customers of Eversource, National Grid and Unitil will start on November 1, 2025, helping many families save on their electric bills.  This rate is for customers who use a heat pump for space heating and will be available from November through April. Utility New Lower Heat Pump…