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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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Magnum Energy MicroGT 500 Microinverter

$329.00

List price $411.00

Sonali Solar 150 Watt 12V Solar Panel

$179.00

List price $299.00

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

$7,667.29

List price $11,217.10

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Cost of Solar Panel Systems Jun 01, 2017

Solar Panels for a Tiny House May 01, 2017

What’s a watt? Apr 21, 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 traveled up to Bethel, Maine, USA to visit high schooler Luke and his father and grandfather. Together, they built an off-grid solar tiny house, and gave us a tour of the house and the solar system.

Luke's Solar Tiny House Tour

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You had what I was looking for and descriptions were on target... ordering was easy for me and shipping was prompt.

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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