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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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SolarWorld 290 Watt Solar Panel, Sunmodule SW290 Mono,5 Busbar, Silver Frame

$189.00

List price $390.00

Off-Grid 450W Cabin Solar Power System - Base Kit

$1,632.92

List price $2,374.90

Xantrex PROwatt SW2000 12V, 2000W Pure Sine Wave Inverter

$495.00

List price $525.00

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BLOG UPDATES

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

Cost of Solar Panel Systems Jun 01, 2017

Solar Panels for a Tiny House May 01, 2017

NEWS UPDATES

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 review the Phocos Portable Energy Kits. They are a simple plug and play solution that provides lighting and charging capabilities for your phones and tablets. The kits include solar panel(s), an MPPT charge controller, a battery, and various lights. The

Phocos LS Portable Energy Kits

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TESTIMONIAL

Fred, Homestead, FL says:

My experience was great as is I ordered late Friday and received my order Tuesday which to me is out standing.

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.

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