We know that a good solar module can produce around 40–50 W per square metre (on average, all day, every day, through the whole year). To give us that comfortable 4000 to 5000 W electric lifestyle, some very basic maths tells us that each person needs the equivalent of 100 square metres of solar, a square ten metres on each side. If your population density is ten people per square kilometre, simple maths again tells us that around 1% of the land area of the country will need to be covered in renewables. If the population density is 100 people per square kilometre, you’ll need to cover 10% of
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