This tower, while not a new technology (see CESA-1), is part of a series of projects whose final aim is to provide enough green energy for 180,000 homes, or most of the population of Seville. The final project, able to produce over 300MW, will include a series of towers, two more of which are being built, and standard photovoltaic power plants, as well as a mixture of newer parabolic solar collectors which will be installed at a later stage. The entire power plant will be operational by 2013. And hereâ€™s the most impressive part. The entire development, once itâ€™s operational, will generate zero greenhouse gas emissions.