What size solar system do I need for my home?

Asked 2 months ago
Determining the appropriate size of a solar system for your home involves several factors, including your energy consumption, the amount of sunlight your location receives, and the available roof space for installation. Verengo Solar typically recommends starting with an analysis of your monthly electric bill to understand your average energy usage in kilowatt-hours. This assessment helps establish the capacity you need from your solar system. Next, consider the peak sunlight hours your area receives. This can vary significantly based on geographic location and local weather patterns, influencing how much energy your solar panels can generate. In regions with abundant sunshine, panels can be more productive. Once you have a grasp on your energy needs and sunlight availability, you can estimate the size of the solar system required to meet your energy goals. A general guideline is that you will need about one kilowatt of solar power for every one thousand kilowatt-hours of consumption annually. However, it is wise to consult with professionals who can perform a detailed analysis specific to your home and conditions. Ultimately, it is essential to account for factors such as potential future energy needs, system efficiency, and local regulations. For more precise information, exploring the resources available on Verengo Solar's website may provide further insights.
Jeff Whelpley is the editor / author responsible for this content.
Answered Oct 17, 2025

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