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 +

KiloVault 2V 1000Ah XLC Advanced AGM Battery

$425.00

List price $595.00

Vikram Solar 540 Watt Solar Panel

$330.00

List price $400.00

SimpliPhi AmpliPHI 3.8kWh Lithium (LFP) Battery, 48V - Sol-Ark

$2,995.00

List price $3,975.00

News & Blog

Learn Solar

Customers

BLOG UPDATES

A Commercial Energy Storage System at altE Headquarters Nov 23, 2022

Solar Investment Tax Credit Expanded and Extended by the Inflation Reduction Act Sep 20, 2022

What to Know About UL 9540 and Energy Storage Systems Sep 14, 2022

NEWS UPDATES

U.S. Solar Panel Supply Impacted by Commerce Department Investigation

Pre-existing PV panel supply shortages are getting worse with the U.S. Department of Commerce's announcement of an investigation into whether crystalline silicon cells imported from several Southeast Asian countries are in violation of U.S. anti-dumping and countervailing trade laws.
altE Featured in Resource in Focus Magazine

Our co-founder Sascha Deri reflects on the history of altE, the current state of renewable energy adoption and storage, and the future of the electrical grid in a great piece in Resource in Focus.

Click here to read the article!

LATEST YOUTUBE VIDEO

Solar + Storage System Tour for a 1,200 Square Foot Off-Grid House

New to Solar?

We've written & collected a wide range of renewable energy resources and articles in our Resource Library. Feed your curiosity!

A Great Place to Start
Off Grid Solar
Wind Power

Calculators

Rebates

TESTIMONIAL

Mike, Denver, CO says:

When I needed help sizing solar panels for a fence energizer, AltE contacted the manufacturer and got everything right. It's been right ever since. While other vendors I spoke to had a take it or leave it attitude, AltE pushed through and went the extra mile to help. If they keep it up, they will have a customer for life.

CUSTOMER STORY

Maine Forest & Logging Museum

With the cost of bringing grid power to their property too high, the nonprofit Maine Forest and Logging Museum turned to solar and found altE.

SIGN-UP FOR OUR NEWSLETTER +