From Ice to Steam and Vice-versa, overcoming IMF. For phase change to occur as shown in the heating cooling curve below, matter must be separated from each other. To separate matter among each other, the forces that keeps them together must be overcome.
The title for world's largest offshore wind turbine was held by Samsung Heavy Industries' S7.0-171 7-MW turbine, which is now being installed offshore at Fife, Scotland. Here's a roundup of other large offshore wind turbines which were on display at last fall's EWEA Offshore 2013 conference and expo.
Currently, the largest solar panel farm in the world is Huanghe Hydropower Golmud Solar Park, located in China. The solar farm produces roughly 200 MW per day. There is currently a 550 MW solar farm (The Desert Sunlight Project) under construction in Riverside County, California.