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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 1200 HLX 1200Wh 100 Ah 12V Lithium Solar Battery- Cold Rated

$995.00

List price $1,075.00

Seraphim 425 Watt Mono Solar Panel

$210.00

List price $250.00

Conext MPPT 100A 600V Solar Charge Controller

$1,295.00

List price $1,665.00

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The 2021 Federal Solar Tax Credit Step Down Nov 16, 2020

Replace Lead Acid Batteries with Lithium for Marine and RVs – Why & How Nov 03, 2020

altE’s Acquisition of Real Goods: 1 Year Later Sep 15, 2020

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Coverage from the Texas Solar Energy Society

When Michael Blank was nine, his dad, an electrical engineer, taught him basic wiring. At 13, Blank was doing more complicated electrical tasks than dad was comfortable supervising.

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altE COVID-19 Outbreak Response Plan: Walk-In Sales & Customer Pick-Ups

Effective March 17, 2020 we will be temporarily suspending our walk-in service to do our part in adhering to the CDC’s recommended social distancing and to protect our employees, their families and our loyal customers.

LATEST YOUTUBE VIDEO

Continuing with our Solar Power for DIY series, in part 2 of 2 on solar panel basics, we discuss the Standard Test Conditions ratings of panels, the cables, wiring in series vs. parallel, and the difference in appearance of mono vs poly crystalline solar p

Intro to Solar Panels - Part 2 of 2

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Jan, Wesley Chapel, FL says:

That the salesman could check inventory quickly and that the items were in stock was great. His quick responses were great. The customer service gal that helped us follow the delivery was great. We would give an A+ to these folks. Superb customer service by sales guy and cs gal and warehouses for shipping quickly. Please pass along our appreciation to them.

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Skystream's the Limit

Alt-E customer Kris Hansson is a do-it-yourself superstar! Read about his amazing project and how he works to incorporate Renewable Energy into his daily life with a wind turbine.

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