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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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KiloVault 3600 HLX 3600Wh 12V Lithium Solar Battery

$2,279.00

List price $2,449.00

Hanwha Q Cell 320 Watt Mono Duo Cell Solar Panel

$206.00

List price $290.00

Off-Grid 450W Cabin Solar Power System - Base Kit

$1,694.30

List price $2,347.10

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BLOG UPDATES

A new chapter begins for SolarWorld Jan 11, 2019

Grid-tied Solar and the Dreaded 120% Rule Nov 16, 2018

Ask the altE Experts: What’s Next for Renewable Energy? Jun 08, 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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Batería Solar de Litio - La KiloVault

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After getting the runaround from several other companies your staff and company delivered perfectly. You got yourself another repeat customer.

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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