The Bay State could soon follow the Bay Area as a leading battery boomtown.
The Massachusetts Department of Energy Resources (DOER) decided, at the close of 2016, that it would set an energy storage target. Now it has six months to figure out what that number should be and how to implement it, following the timeline set by legislation last summer. Once complete, this will be only the third state-level target after California and Oregon.
California’s mandate gave it a decisive lead in attracting storage companies and deploying the technology in homes, businesses and on the grid. Massachusetts currently has very little storage deployed, but it is already home to a cluster of storage startups that spun off from research at MIT. With an effective target, Massachusetts could set itself up as the second hub of the U.S. storage industry, while streamlining the operation of its grid and the integration of new renewable generation.
Finding the right target, though, requires a careful balancing of competing goals.
“DOER should assure the target is large enough that substantial, relevant experience is gained by all, but not so large that it becomes unworkable and a substitute for the fully functioning market,” wrote Phil Giudice, CEO and president of Cambridge-based storage company Ambri, in a letter to DOER Commissioner Judith Judson in December.
DOER isn’t starting from scratch here. The department had a hand in the State of Charge report from September, which comprehensively analyzed the value of storage for the Massachusetts grid and concluded that up to 1,766 megawatts of storage installed by 2020 would maximize savings for ratepayers. Storage can reduce the state’s system costs like peak capacity, transmission and distribution upgrades, overall energy prices, integration of intermittent renewables, and ancillary grid services that smooth out the momentary differences between supply and demand.
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