To determine whole-house generator sizing, the first step is for the homeowner to determine the number of appliances and electrical devices that will be run and calculate the total wattage.

Adding up the running watts and the highest starting wattage of all the devices you wish to power with a generator will help you determine the size of the generator you will need. Larger, whole-house ...

Calculate the wattage you need to power what is most important to you.

From picking the right panels to the right type of installation, we walk you through every step of the process.