Siemens and Open Joint Stock Company Fortum signed a long-term service contract for the Nyaganskaya GRES combined cycle power plant in Nyagan, Russia. The power station consists of three combined cycle power units totaling 1,254 MW. The first unit, with a capacity of 420.9 MW, began commercial operation in April 2013. The commercial operation of the second unit began at the end of 2013, and the third unit is currently under construction. Under terms of the long-term agreement, Siemens will provide service and maintenance for the gas turbines, steam turbines and generators of all three combined cycle plants for a period of six years.