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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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Schneider Electric Conext SW 2524 Inverter/Charger

$1,225.00

List price $1,750.00

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

$6,715.44

List price $11,232.10

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

$1,659.73

List price $2,347.10

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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.

LATEST YOUTUBE VIDEO

This video gives a list of common items that you can power with a 100W solar panel in various locations and seasons. With minimal math, just a bit of addition, you can figure out how many watts of solar you need if 100W isn't enough for you.

What can I power with a 100W solar panel - math lite

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TESTIMONIAL

Peter, Los Alamos, NM says:

The replacement panel arrived safe and sound. Amazing packing job! Coulda withstood an elephant stampede. Took me 15 minutes to unwrap and extract it... thanx for your help with this. A pleasure (as always) doing business with you folks.

CUSTOMER STORY

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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