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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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Off-Grid 3.6kW Residential Solar Power System - Base Kit

$7,670.34

List price $11,217.10

Magnum Energy MicroGT 500 Microinverter

$249.00

List price $339.00

altE 10 Watt 12V Poly Solar Panel

$18.00

List price $67.20

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

Cost of Solar Panel Systems Jun 01, 2017

Solar Panels for a Tiny House May 01, 2017

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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

The Fronius Primo grid tie string solar inverter is a simple to install, yet powerful option for your grid tie solar system. With models from 3.8kW to 15kW, you have a wide range of sizes to choose from. Additionally, multiple inverters can be stacked to g

Fronius Primo grid tied solar string inverter

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Living What They Sell

James Hasselbeck, Solar Product Manager at Waterline Alternative Energies, shares with us the exciting details on some of their latest projects.

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