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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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Panasonic 330 Watt HIT High Efficiency Solar Panel

$357.00

List price $550.00

Schneider Electric Conext SW 4048 Inverter/Charger

$1,750.00

List price $2,100.00

Off-Grid 3.6kW Residential Solar Power System - Base Kit

$7,670.34

List price $11,217.10

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Solar Power International 2017 Sep 20, 2017

How to Figure Out the Plus and Minus Terminals of a Solar Panel Jul 11, 2017

Cost of Solar Panel Systems Jun 01, 2017

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altE is Hiring!
Looking for a great job in a great industry? altE is hiring!
altE Announces Local Solar Electric System Incentives Promotion at Ribbon Cutting Ceremony for New, Northeast HQ Location

The Middlesex West Chamber of Commerce held a ribbon cutting event for altE’s new headquarters in Boxborough, MA.

LATEST YOUTUBE VIDEO

We give an overview of Magnum Energy's Micro GT500 grid-tied microinverter. Each inverter can connect to two solar panels, up to 310W each. The inverter will output up to 500W 240V 60Hz AC.

Grid-tied Solar microinverter Magnum GT

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TESTIMONIAL

Peter, Los Alamos, NM says:

The replacement panel arrived safe and sound. Amazing packing job! Coulda withstood an elephant stampede. Took me 15 minutes to unwrap and extract it... thanx for your help with this. A pleasure (as always) doing business with you folks.

CUSTOMER STORY

Moving Forward with the Help of AltE U

Pete Corbett tells us about the PV303 solar system design course he took and how it helped his company.

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