Nikkei: Japan's wind-power capacity is expected to grow threefold as the two leading developers invest tens of billions of yen in new installations. That would bring the total to the equivalent of 10 nuclear reactors. Eurus Energy Holdings and Electric Power Development, better known as J-Power, each plan to invest around 60 billion yen ($528 million) in new facilities by 2020. Together, they accounted for roughly a third of total wind-power capacity in Japan as of fiscal 2014, based on Nikkei...