Renewable energy company SunCable has its eyes on a site in Tasmania to manufacture an undersea power cable from the NT to Singapore, but a requirement for a 200-metre-high tower means the factory would host the state’s tallest structure. Renewable energy company SunCable has its eyes on a site in Tasmania to manufacture an undersea power cable from the NT to Singapore, but a requirement for a 200-metre-high tower means the factory would host the state’s tallest structure. Solar Energy, Regional Development and Planning Latest business news