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Design a Renewable Energy System

kWh Calculator

kWh Calculator

A helpful tool for estimating your electricity usage when you don't have old utility bills handy - and an essential tool for planning a system that will meet your electricity needs.
Expanding a Deep Cycle Battery Bank

Expanding a Deep Cycle Battery Bank

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.
How to Wire a Solar System

How to Wire a Solar System

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.

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