Updated information shows that the OGK-4 power plants generated 43,290.1 GWh in January–October 2007, or 5.1% more than in the corresponding period in 2006. These figures include 4.5% growth to 27,802.3 GWh at Surgutskaya GRES-2, 20.3% growth to 6,400.9 GWh at Berezovskaya GRES, and 5.7% growth to 3,509.6 GWh at Yajvinskaya GRES over the 10 months of 2007.
In October 2007, the OGK-4 power plants increased their electricity output by 10.4% compared with the corresponding period in 2006 to 4,982.9 GWh.
Productive heat supply from the OGK-4 power plants reached 1,634 thousand Gcal over the 10 months of 2007.
According to the January–October 2007 results, the OGK-4 load factor is 68.74% overall, including 77.5% in October.