The Mount Tom Power Station, a coal-fired plant in Holyoke, Mass,. shut two years ago, and now it’s the site of a solar power plus storage facility.

Big win, right? Well, kind of.

Mount Tom had a maximum output of 163 MW and the solar plant is just 3 MW, and the batteries have output of 6 MWh. I’m as happy as anybody to see coal disappear and fuel-free, pollution-free sources show up, but replacing 4% of the output isn’t much of a replacement. We need lots, lots, lots more solar and storage to really make a dent in fossil fuel electricity production.


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