There is something of an anomaly at the heart of the US wind market — the country’s windiest state, Nebraska, and the third windiest, South Dakota, have only installed a fraction of the wind power capacity of their neighbours in the so-called US Wind Belt.

At the end of last year, Nebraska had installed 1.42GW and South Dakota just 977MW — placing them 17th and 19th in the country for cumulative wind capacity — compared to 5.1GW