Duke Energy Renewables, the competitive renewables arm of U.S. utility giant Duke Energy, has agreed to sell insurer John Hancock a minority share of its wind and solar portfolio, amounting to 1.2 gigawatts of generation capacity and $1.25 billion in enterprise value. Wednesday’s deal with the John Hancock Infrastructure Fund and John Hancock Life Insurance Co. will give the buyer a 49 percent stake in 37 of Duke’s operating wind, solar and battery storage assets and a 33 percent stake in an additional 11 operating solar assets across the country.