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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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KiloVault 2100 PLC 2100Wh 12V Advanced AGM Battery

$495.00

List price $695.00

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

$6,437.47

List price $9,369.65

Off Grid Emergency Prep Kit 2

$2,274.58

List price $2,849.64

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BLOG UPDATES

altE’s Acquisition of Real Goods: 1 Year Later Sep 15, 2020

Rapid Shutdown Blog Part 2; Charge Controllers Jul 20, 2020

NEC 690.12 Rapid Shutdown of PV Systems on Buildings – Part 1 Inverters Jul 02, 2020

NEWS UPDATES

altE COVID-19 Outbreak Response Plan: Walk-In Sales & Customer Pick-Ups

Effective Tuesday, March 17 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.
KiloVault Unveils PLC Advanced Pure Lead Carbon Batteries

The KiloVault PLC advanced AGM battery is available at this page. Posted here with the permission of KiloVault, LLC.

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Oct 20 - 30, 2020 6% off all in stock items. Discount Code: BLACKCAT20

Solar Harvest Sale 2020

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CUSTOMER STORY

The Solar Challenge

Philip Shelton likes a challenge and designing a solar hot water system for his home may be his biggest hurdle yet. Phil gives us a glimpse into the life of this busy but determined Maine family.

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