Praveen Duddu: Eight of the 10 largest wind farms in the world are operated in the US, with five situated in Texas alone. Just one offshore wind farm has made to the list, while all others are onshore. Power-technology.com profiles the world's 10 largest wind farms based on installed capacity.
Praveen Duddu: Hydropower is one of the oldest and most widely-used renewable sources of energy. China, the world's largest producer of hydroelectricity, operates two of the 10 biggest hydroelectric power plants in the world, including the world's largest Three Gorges project.