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LETTER: How Groton School Could Reduce Use of Carbon-Emitting Electricity

I recently read about Groton School’s photovoltaic array and battery system being installed on Farmer’s Row in cooperation with GELD. (See article in July 19 issue)
     I want to add that Groton School has two ice rinks which gobble up a lot of electricity. A similar private school in Massachusetts, Milton Academy, has PVs on their hockey rink and there is a hockey rink on the Cape, which has a photovoltaic array which powers most of their rink's ice machines.
     Groton School has buildings like the Drama Recital Hall which could use PVs if installed without noticeable changes. The PVs could generate electricity to chill water for cooling the buildings. The school house has geothermal cooling but they might use chilled water if the system breaks down. Instead of using batteries, chilled water storage is an excellent option to cut down the use of carbon emitting electric generation.
 
Peter Curtis
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