Making Renewable Do-able!

Specializing in off-grid, grid-tie and DIY solar power since 1999.

Shop our wide selection of solar panels, solar power systems and accessories.

Click for Products & Categories

Featured Solar Panels & Solar Gear

View All +

Schneider Electric Conext XW+ 5548 Inverter/Charger

$2,900.00

List price $3,875.00

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

$1,647.36

List price $2,341.10

altE Pre-Wired System Schneider SW4024 Inverter with Midnite CL150 Charge Controller

$3,795.00

List price $5,675.00

News & Blog

Learn Solar

Customers

BLOG UPDATES

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

Solar Power International 2017 Sep 20, 2017

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

Grid-tied solar is designed to turn off when the grid goes out. We discuss options for adding battery backup to your existing grid-tie solar system. Two choices are AC and DC Coupling. We cover the equipment needed and the pros and cons of each option.

Adding batteries to grid tied solar

New to Solar?

We've written & collected a wide range of articles about all aspects of these solutions. Please feed your curiosity!

Great Places to Start
Solar Panel Systems
Wind Power

Calculators

Rebates

TESTIMONIAL

Mary, Del Norte, CO says:

Very professional, knowledgeable and efficient. I was so impressed and happy with my service from you.

CUSTOMER STORY

How Does Your Garden Grow?

Fortunat Mueller, co-owner of ReVision Energy, tells us about the solar water pumping system they recently installed in a beautiful community garden.

SIGN-UP FOR OUR NEWSLETTER +