CNet: Spanish renewable energy firm Sener and Abu Dhabi’s clean-energy initiative, Masdar, announced a joint venture on Wednesday to build several power plants fueled by the sun’s heat. The newly created firm, Torresol Energy, said it plans to build at least two large concentrating solar power plants a year with a goal of generating 320 megawatts over the next 5 years and 1,000 megawatts in 10 years. A large coal-fired power plant typically can produce hundreds of megawatts of electricity. …