Friendly. Knowledgeable. Helpful.

“Hope to do more business with you in the future. altE rocks! Best customer service anywhere!” – Joe Stratham, NH

877-878-4060

Offices ARE NOT accepting walk-ins.

Install a Renewable Energy System

How to Wire a Solar System

How to Wire a Solar System

 Video   

Learn to calculate NEC-compliant wire sizes for an off-grid or grid-tied solar PV system, including de-rating calculations for temperature, conduit fill, distance off the roof, and more.
Expanding a Deep Cycle Battery Bank

Expanding a Deep Cycle Battery Bank

 Article   

If you’ve added new appliances, purchased an EV, or have more people living in the house now than when you first designed your system, your batteries may not be able to keep up with your new energy demands.

877-878-4060