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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 XW Pro 6848 Inverter/Charger

$2,995.00

List price $4,564.00

Sol-Ark 12K Hybrid Inverter Pre-Wired System

$6,950.00

List price $7,895.00

Base Kit 1 Off-Grid 3.66kW Residential Solar Power System

$6,823.33

List price $9,344.50

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BLOG UPDATES

Learn Solar Basics At altE’s 9th Annual Solar Installer Conference Jan 15, 2020

Off-Grid Holiday Lights – The Hudson-Athens Lighthouse Dec 18, 2019

How to Keep Solar Batteries Warm in Winter Dec 11, 2019

NEWS UPDATES

KiloVault Unveils HAB Deep-Cycle Battery

The KiloVault HAB lithium battery storage system is available at this page. Posted here with the permission of KiloVault, LLC.
Real Goods Alive and Well After Unrelated RGS Energy Bankruptcy Filing

Real Goods, the California-based, original purveyor of off-grid living supplies, is alive, well, and powered by altE since September of 2019. Posted here with the permission of Real Goods Trading Corporation.

LATEST YOUTUBE VIDEO

The KiloVault HAB battery is a 48V 7.5kWh lithium battery. It includes an LED state of charge indicator, and an LCD status display. The battery is capable of being charged at 125A, and discharged at 150A, with a 3 second surge of 500A.

KiloVault HAB 48V 7.5kWh Lithium Battery

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CUSTOMER STORY

A Solar Dream Come True

After working in the RE field for over 25 years, Thomas Hopper has finally completed his very own solar project on his home in Concord, N.H.

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