Stonyfield Farm / Londonderry, NH

Stonyfield Farm

“This project is another step for us on our journey toward our dream of freeing Stonyfield Farm from the impacts and risks of fossil fuels. As business leaders, we are taking steps toward energy independence for both our business’ financial success and our nation’s economic vitality and national security.”

Gary Hirshberg, CE-Yo, Stonyfield Farm

Stonyfield Farm placed their confidence in Alteris™ Renewables to design and install their 5000 square foot, 50 kilowatt solar energy system. The photovoltaic system, which sits atop their manufacturing facility, is largest of it’s kind in New Hampshire and one of the largest in New England. The integrated array will generate over 55,000 watts of electricity per year. The 50-kilowatt system is comprised of 288, 175 watt photovoltaic panels manufactured by Sharp Solar.

Installation Type Flat Roof Solar Array
Location Londonderry, NH
Type of Panel 288 175-watt Sharp Solar panels
Date Completed Aug 2005
Type of Inverter SMA Sunny Boy 6000's
System Size 50.00 kW
Power Generated (annual) 1,300,000 kWh
PV Surface Area 5000 sq. ft.
1st Year Savings $7,000

  • Reduces CO2 emissions 1,508,000 lbs. over the life of the system

  • Equivalent to planting 7,040 trees

  • This is the same as eliminating 1,650,000 driving miles

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  • Testimonials

  • This project is another step for us on our journey toward our dream of freeing Stonyfield Farm from the impacts and risks of fossil fuels. As business leaders, we are taking steps toward energy independence for both our business’ financial success and our nation’s economic vitality and national security.

    Gary Hirshberg, CE-Yo, Stonyfield Farm