Running the numbers

Running the numbers

170 t coking coal
At 27,000 MJ/t for coking coal, thats 4590,000 MJ per windmill.

Running at 2MW, or 2 MJ/s the windmill needs to run for 2,295,000 seconds to cover its energy. That is equivalent to 26.5 days.

At 20% utilisation, the windmill will have recovered its energy in 132 days.

Dont trust, verify