The international ITER fusion project generator. It was started in 1985 and is designed to output 500MW from an input of 50MW. It's predicted to stabalise plasma by a very specific November 2019 and be fully functioning by 2026. The project is supported by the most technologically advanced nations in the world - the US, China, Russia, India and the EU.
Construction of the facility at Cadarache in the Cote d'Azur began in 2011 with the construction of the actual tokamak - the 'generator' that uses magnetic fields to control the flow of plasma - scheduled to begin in 2015.