The cost of US turbine installations declined by a third between 2010 and 2016 , due largely to improvements in technology and manufacturing capability , as well as a growing concentration of installations in US regions with lower installation expenses . While the previous decade had seen a steady increase in costs , from 2010 a number of factors combined to reduce them . The 2008 financial crisis led to cheaper key construction and manufacturing commodities , while US manufacturing capacity for wind turbine components declined , and the greater availability of components helped cut costs through a build - by - doing effect .
The cost of US wind installations declined by a third between 2010 and 2016, due largely to improvements in technology and manufacturing capability, as well as a growing concentration of builds in US regions with lower installation expenses. While the previous decade had seen a steady increase in costs, from 2010 a number of factors combined to reduce them. The 2008 financial crisis led to cheaper key construction and manufacturing commodities, while US manufacturing capacity for wind turbine components grew, and the greater pace of installations helped cut costs through a learning-by-doing effect.