Can batteries reduce emissions? It depends on the grid

Energy News Network: Massachusetts’ latest energy efficiency plan is being hailed as a national model, but one expert notes that whether its energy storage provision will reduce carbon emissions is still an open question.

In January, the Massachusetts Department of Public Utilities approved the state’s latest three-year energy efficiency plan, which for the first time allows efficiency funds to be used for energy storage projects that reduce peak demand, the highest demand placed on the grid in a given day.

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