An impressive solar panel array sits in the field behind the Crooked Spring Water Treatment Plant, one of three plants owned by the Chelmsford (Mass.) Water District. The solar panels, installed in 2010, save some $154,000 a year on electricity.
That’s just one example of energy and cost savings the district has achieved. Other measures include energy efficient lighting with timers that shut the lights off when a room is vacated, a hybrid vehicle and infrared heating to replace direct hot air heating in the district garage.
Water conservation is another initiative. “When I started at the district in 2007, we didn’t
