Jammu and Kashmir has been able to produce only 3500 megawatts of electricity under various governments during the past 70 years, prompting administration to focus on doubling power generation in next three years in the union territory, according to senior officials.Total 8 new hydro-electric power projects with a capacity of 6272 megawatts have been taken up by NHPC and a joint venture that would double power generation in the UT.In 70 years, Jammu and Kashmir was able to harness only 3500 megawatts of power.