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Design a Renewable Energy System

kWh Calculator

kWh Calculator

 Calculator/Tool   

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.
Grid-Tied Solar System Design

Grid-Tied Solar System Design

 Video   

Learn how to design and choose components for a grid-tie solar system, including solar panels, inverter, racking, and overcurrent protection.
How to Size a Deep Cycle Battery Bank

How to Size a Deep Cycle Battery Bank

 Calculator/Tool   

If the battery bank is oversized, you risk not being able to keep it fully charged; if the battery bank is sized too small, you won't be able to run your intended loads for as long as you'd planned.
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.
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.
Sizing MPPT Charge Controllers

Sizing MPPT Charge Controllers

 Calculator/Tool   

Learn how to size an MPPT solar charge controller for your off-grid solar electric system and how to take advantage of some of this type of charge controller's benefits.
Power Ratings for Common Appliances

Power Ratings for Common Appliances

 Article    Calculator/Tool   

Quickly find the the typical power rating (in Watts) of many common household appliances. Use this information to help estimate how large your alternative energy system needs to be.

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