Driven by the fading production tax credit (PTC), the market for repowering existing US wind farms has finally taken off in 2017, opening a new multi-gigawatt annual opportunity, turbine vendors and analysts say.

Repowering deals are “very top of mind for us” right now, Kevin Walsh, head of the renewables group at GE Energy Financial Services, tells Recharge. GE EFS is a major tax-equity provider in the US wind market, typically financing projects using GE turbines.