Last year, developers switched on almost 4.9GW of turbines — four times more than in 2013, but not a patch on the record 13GW the year before that. And while 2015-16 is shaping to be a bull run, with MAKE Consulting suggesting that the short-lived extension of the production tax credit (PTC) is underpinning 13.4GW of newbuild, the absence of the federal incentive could trigger a 77% slump in 2017.
However,
