Massachusetts just made home energy generation, with solar panels or wind turbines, much more attractive. A law going into effect on Tuesday-part of the state's Green Communities Act-will let homeowners sell excess electricity they generate back to the utilities on new, extra-favorable terms:Before the change, net metering was limited to solar arrays or wind turbines capable of generating just 60 kilowatts or less, and customers were able to sell their power back to the grid only at the wholesale rate.Under the new law, customers who own wind turbines or solar power installations up to 2 megawatts-even larger for municipal and state installations-can sell excess power back to the grid at the higher retail rate.I have no idea why Massachussets would have capped the size of home wind or solar power installations in the first place. Anyone know? Smells like industry interference to me.Photo from Flickr user kaymoshusband (cc)
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