EF-TEK LLC was registered in the Supplier Base of E.ON Russia.
E.ON Russia was formed in 2005 on the basis of five power plants. The company includes Surgutskaya GRES-2, Berezovskaya GRES, Shaturskaya GRES, Smolenskaya GRES and Yaivinskaya GRES with a total capacity of 10345 MW. Another branch of E.ON Russia, Heat Networks of Berezovskaya GRES, supplies heat to consumers in the region where Berezovskaya GRES operates. The company's installed capacity as of January 1, 2011 was 9,073 MW, and as of January 1, 2012 - 10,345 MW. The total amount of commissioned capacity is 2,500 MW.
