​Although some New England utilities offer modernized rates for special applications, like electric vehicles and battery storage, there is substantial room for improvement in time-varying residential pricing. This policy brief, the last in a series examining rate design issues across New England, looks more closely at time-varying rates offered by utilities in the region. It discusses how such rates could be updated to be consistent with ratemaking principles and increase the benefits to both consumers and utilities, and offers examples from both inside and outside New England of utilities deploying more well-designed time-varying rates.