“We are seeing a dramatic improvement in onshore wind technology,” says Landis, pointing to a recent BP study that shows the cost of onshore wind energy has fallen to $82 per MWh, from more than $100/MWh a few years ago.

BP has nine operating wind farms in the US, with some 1.5GW of capacity, and is building the 250.8MW Cedar Creek 2 project in Colorado and the 124.5MW