Choosing the right-sized solar energy system for your home


Solar energy is growing in popularity, especially as solar equipment prices fall and the cost of electricity continues to rise in most parts of the country.

Let’s assume that you have decided to go solar. The next question you may be asking is “how do I choose the right size solar photovoltaic (PV) system for my home?”

Will solar add value to your home?  Contact the appraisers at for your solar value needs.

In addition to determining how much solar energy you can produce where you live, there are a number of other factors to consider, such as the amount of electricity you use, the size, orientation and design of your roof, and the state/municipal/utility policies that affect the cost of going solar.

Ultimately, a qualified solar installer will need to come to your home and go over the particularities of your situation with you, but it’s always a good idea to have a better understanding of the situation before this stage, so that you can follow the discussion and ask the right questions.

Electricity Use

One of the first things to consider is how much electricity you typically use, and how it varies with the seasons. For example, do you have an air conditioner that runs at full blast in the summer, or do you heat your home with electric baseboard heaters during the cold winter months?

The most accurate way to calculate how much electricity you use is to dig up your utility bills for the past 12 months (or longer if the past year was unseasonably warm or cold). If you don’t have your bills on hand, you can use our Power Consumption Calculator to estimate your electricity usage.

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