Feb. 21, 2014 -- The town of Peterborough, N.H., recently announced that its wastewater treatment plant will be the site of the state’s largest solar installation to date. It will be built on a five-acre area -- formerly a wastewater lagoon -- that lies adjacent to the facility.
Peterborough will save between $24,000 and $57,000 per year on average, equating to a projected savings of between $500,000 and $1,200,000 over the 20-year contract. The power purchased from the solar energy system will come at $0.08/kWh, saving the town between $.01/kWh to $.03/kWh for every kWh produced by the solar farm. Accordingly, much of the produced energy will be used by the plant, and the rest will power the town community center and other Peterborough facilities.
The town will also pay zero upfront costs thanks to a $1.2-million grant by the NH Public Utilities Commission and a power purchase agreement (PPA) with Water Street Solar. A PPA is a contract that transfers the cost of the installation and maintenance to a third party, which then sells the energy back to the town at a fixed and economical rate. The grant program was awarded $4.2 million in 2013 for renewable energy projects and will receive an additional allocation for 2014 this July.
See also: "Solar Solutions: Utilities Harness Power of Sunlight to Reduce Costs, Save Energy"
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