Greater Lawrence Sanitary District


North Andover, MA


441 Kilowatts


Reducing Carbon and Saving $1.7 Million Each Year

In 2010, Nexamp was awarded contracts to install solar photovoltaic systems at 13 water and wastewater treatment plants whose energy consumption was a huge drain on municipal budgets. The projects were completed under the Massachusetts Solar Stimulus (MaSS) initiative, funded through the American Recovery and Reinvestment Act.Every year, Massachusetts' 370 water and wastewater facilities consume more than 1 billion kilowatt-hours, emitting 1 million tons of carbon dioxide. Together, the 4.5 megawatts of solar plants installed across the 13 selected facilities save the Commonwealth $1.7 million a year.

Project Benefits

  • Helps offset the carbon footprint of the energy-intensive facility

  • Saves just under $60

  • 000 in annual electricity costs

  • Generates enough energy to power 80 homes

Energy User:

Greater Lawrence Sanitary District



Annual Estimated Production:

583000 Kilowatt-hours

Annual CO2 Reduction:

804,000 Pounds