US power-generation giant NRG Energy on Wednesday announced a sweeping “transformation plan” that may see it effectively pulling out of renewables, selling as much as 100% of its stake in yieldco NRG Yield as well as its well-oiled platform for developing and operating wind and solar projects.

New Jersey-based NRG – which owns around 50GW of generating capacity, including several gigawatts of renewables – has just completed a four-month strategic review, and decided on a plan that includes $2.5bn-$4bn