So this can power homes for up to two hours. Then what? What are the costs? How much power is lost in the course of charging and discharging the batteries? Effect on ratepayers and taxpayers? How clean/dirty are batteries across their life cycle? How long do the batteries last? Battery disposal? If there are ever huge numbers of batteries being charged during off-peak hours, will those hours still be off-peak?
Maine policymakers want to encourage such projects as another tool to help meet the state's ambitious climate goals.
By Tux Turkel
Sometime in May, two 53-foot-long storage containers, each fitted with roughly 950 lithium-ion batteries, are scheduled to be trucked to an industrial park in Rumford.
The batteries for this $5 million project will be charged at night with cheaper electricity, when demand in New England is low. The next day, when homeowners turn on appliances and business ramps up, the region’s grid operators in Massachusetts can remotely dispatch those batteries and send enough power flowing to run 4,000 or so homes for up to two hours.......................At Rumford, and at a similar 4.99-megawatt project in Madison, the project’s owner earns money by selling the stored energy when it’s most advantageous. The company, New England Battery Storage of Boston, is planning a comparable project in Sanford and another one twice as large in South Portland.................................Maine policymakers want to encourage such projects as another tool to help meet the state’s ambitious climate goals. On Tuesday, the legislative committee that handles energy and utility matters is scheduled to hear a bill meant to advance energy storage in the state. It would set a target of installing 100 megawatts by 2025......................................Pairing renewable power generation with storage increases the value of battery plants, according to a recent market assessment done for the Maine Governor’s Energy Office. That combination will be especially important in the winter, as Maine shifts more home and business heating to heat pumps, part of the process to phase out oil and gas and electrify the state’s economy....................................
John Droz, Jr: Energy & Environmental Newsletter: March 8, 2021
For links to the articles below as well as other interesting articles covering a variety of topics, please see page 15 on the following PDF file:
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