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Written by: Robert Costart

Updated on: 26 October 2024

Robert Costart.png

Written by: Robert Costart

Updated on: 26 October 2024

How Many Solar Panels Do You Need for Your Home?

How Many Solar Panels Do You Need for Your Home?

Understand Your Energy Needs

Begin your solar journey by evaluating how much energy your household consumes annually. Utilizing your energy bills, you can ascertain your total kWh usage. For reference, a typical UK three-bedroom household uses around 2,700 kWh per year (Ofgem, 2023). Your panels will need to generate enough power to meet or exceed this annual consumption.

The size of your home directly influences how many solar panels you need. A one-bedroom flat typically requires around six panels, whereas a three-bedroom house may need around ten. For larger homes, like a five-bedroom place, you could need up to fourteen panels, producing energy equivalent to roughly 49% of annual electricity use (Solar Fast, 2023).

House Size Matters

Panel Efficiency Counts

Panel efficiency can significantly affect how many you need. Standard 350W panels provide approximately 265 kWh/year. More efficient panels can produce more energy in a smaller footprint. By selecting high-performance models, you may reduce the number of panels needed, thus minimizing installation costs (Endesa, 2023).

Geographic Influence and Other Factors

Your panel's performance also varies with geographic location. Areas with more sunlight may generate more energy, which means you could need fewer panels. Additionally, roof orientation, obstructions like trees or chimneys, and roof condition all play a role in the installation's effectiveness (National Grid, 2023).

How Many Solar Panels Do You Need for Your Home?

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