This is a guest post by Greg Bell – which was conceived in the comments section of another post on this blog.
Take it away Greg:
Some things we can say we know for sure about solar – the fuel is free, it’s quiet, and there are no moving parts. But other benefits are more controversial. Recently a claim was made to me that solar is actually more area efficient – that is, it generates more energy per hectare – than coal.
Specifically, the claim was
“The 1,600 megawatt brown coal Hazelwood Power Station and associated mine in Victoria covers 3,554 hectares. In a sunny location in Australia 20% efficient solar panels covering that area would produce more kilowatt-hours than Hazelwood’s average output.”
Let’s see if that’s true. [Continue reading…]