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Specializing in off-grid, grid-tie and DIY solar power since 1999.

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Featured Solar Panels & Solar Gear

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Canadian Solar CS6K-260P 260 Watt Poly Solar Panel Black Frame

$154.00

List price $275.00

MT Solar 9 Module Top of Pole Mount, 60-Cell Modules, w/Crank

$2,076.56

List price $2,388.00

Battle Born Lithium Iron Phosphate (LiFePO4) Batteries

$899.00

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Solar Power International 2017 Sep 20, 2017

How to Figure Out the Plus and Minus Terminals of a Solar Panel Jul 11, 2017

Cost of Solar Panel Systems Jun 01, 2017

NEWS UPDATES

altE is Hiring!
Looking for a great job in a great industry? altE is hiring!
altE Announces Local Solar Electric System Incentives Promotion at Ribbon Cutting Ceremony for New, Northeast HQ Location

The Middlesex West Chamber of Commerce held a ribbon cutting event for altE’s new headquarters in Boxborough, MA.

LATEST YOUTUBE VIDEO

We give an overview of Magnum Energy's Micro GT500 grid-tied microinverter. Each inverter can connect to two solar panels, up to 310W each. The inverter will output up to 500W 240V 60Hz AC.

Grid-tied Solar microinverter Magnum GT

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Keep up the good work. Your personal customer service is great. It was great being so well informed about the status of my order.

CUSTOMER STORY

A Solar Dream Come True

After working in the RE field for over 25 years, Thomas Hopper has finally completed his very own solar project on his home in Concord, N.H.

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