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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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SolarWorld 300 Watt Solar Panel, Sunmodule SW300 Mono

$193.00

List price $410.00

Hanwha Q Cell 320 Watt Mono Duo Cell Solar Panel

$209.00

List price $290.00

Magnum Energy PT-100 100A MPPT Solar Charge Controller

$795.00

List price $999.00

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BLOG UPDATES

Ask the altE Experts: What’s Next for Renewable Energy? Jun 08, 2018

altE’s Successful First Solar Conference in Puerto Rico Apr 10, 2018

Battery Backup for Puerto Rico’s Grid Tied Solar Power Systems Jan 12, 2018

NEWS UPDATES

altE Opens Puerto Rican Warehouse

Solar company opens warehouse in Puerto Rico to reduce the headache and wait times to buy and install solar power systems during the continued electric grid crisis after Hurricane Maria.
altE Assists with Hurricane Relief Efforts in Puerto Rico

altE is proud to have donated solar power equipment to keep a health clinic operating in Puerto Rico.

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Gilles, Quebec, Canada says:

I was very pleased with the service of Mr. Pedersen and speed of sending my order

CUSTOMER STORY

The Solar Challenge

Philip Shelton likes a challenge and designing a solar hot water system for his home may be his biggest hurdle yet. Phil gives us a glimpse into the life of this busy but determined Maine family.

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