High Quality Content by WIKIPEDIA articles! The EPR is a third generation pressurized water reactor (PWR) design. It has been designed and developed mainly by Framatome (now Areva NP), Electricité de France (EDF) in France, and Siemens AG in Germany. This reactor design was called in Europe European Pressurized Reactor, and the internationalized name of this reactor is Evolutionary Power Reactor, but is now simply named EPR by Areva. As of 2009, two EPR units are under construction, one each in Finland and France, and both are facing costly construction delays. Nuclear regulators in both countries have expressed doubts about their safety. Two additional units are planned as part of China's tenth economic plan, to start construction in 2009. In July 2008 the French President announced a second EPR would be built in France due to high oil and gas prices. Penly was chosen as the site in 2009, and construction should start in 2012. EPR is a trademark of Areva group.