What Size Solar System Do I Need for 30 kWh Per Day?
A home using 30 kWh per day needs roughly 7 to 11 kW of solar depending on sunshine. See panel counts, inverter and battery options, roof space and how to reduce the size.
solar sizing
How Many Solar Panels Do I Need for 1,000 kWh Per Month?
A 1,000 kWh per month home needs about 7 to 10 kW of solar depending on location. See panel counts for 300W, 400W and 450W panels and the exact formula.
Peak Sun Hours Explained (and How to Find Yours)
Peak sun hours are not daylight hours. Learn what they are, typical values for the US, UK, Canada, Germany and Australia, and how to look up the exact figure for your location.
How Many Solar Panels Do I Need? (Step-by-Step Calculator Method)
Work out exactly how many solar panels you need from your electric bill, your peak sun hours and your panel wattage, with worked examples for homes, cabins and RVs.