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 +

altE 200 Watt 24V Poly Solar Panel

$219.00

List price $232.14

Outback Radian GS8048A 8kW, 48V 120/240VAC Inverter/Charger (UL1741-SA)

$3,799.00

List price $6,195.00

KiloVault 3600 HLX 3600Wh 300 Ah 12V Lithium Solar Battery- V3

$1,945.00

List price $2,449.00

News & Blog

Learn Solar

Customers

BLOG UPDATES

Solar and Rockets in Maine – A Match Made in the Heavens Mar 10, 2021

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

NEWS UPDATES

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.

Click here to read more!
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

In Part 2 of this video we discuss in detail Charge Rates for deep cycle batteries. We show examples of lead acid and lithium, and why this information is important for designing a battery based solar system.

Charging a battery bank -Part2

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

James, Gettysburg, PA says:

I deal with various companies for personal use and for work and your company sets a new standard in all areas of service, price, and knowledge. Thanks for the assistance in keeping our world a healthy place for all of us oxygen breathers. I truly appreciate the products that are made in the USA as well.

CUSTOMER STORY

Bringing Solar to Belize

Jim Schwai tells his story of how AltE has helped do wonders using photovoltaics for the people living in a small, Mayan Village called San Lucas, Belize.

SIGN-UP FOR OUR NEWSLETTER +