In 2011 a significant growth in electricity output to the Kubanenergo grid was seen in comparison with the previous year of 1 101.950 million kilowatt hours, or 5.837%. This growth was the result of weather conditions — an uncharacteristically cold winter and spring and a hot summer on one hand, and an increase in electricity demand by consumers related to the active development of the region on the other.
The main growth in electricity output was in February (an additional 178 198 thousand kilowatt hours), April (153 617 thousand kilowatt hours), November (352 729 thousand kilowatt hours) and December (199 489 thousand kilowatt hours). In terms of Kubanenergo branches the leaders in growth were the Sochi Federal power station (an additional 253 698 thousand kilowatt hours or 10%), the Krasnodar Federal power station (282 503 thousand kilowatt hours or 6.1%) and the
A range of circumstances had a significant effect on the Company’s electricity distribution operations.
As calculation of technological losses of electricity is carried out for normal network operations (that is, in steady operating conditions) all changes to its parameters and configuration affect the amount of actual losses of electricity (the need to reschedule loads during repairs, as well as during breakdowns both in the Kubanenergo network and in neighbouring networks: technological necessity in executing the work of regional dispatch management).
Forced changes to normal operations lead to significant increases in actual process losses of electricity, both in losses in the power transformers themselves and losses arising from transmitting additional reactive power from power transformer reserves and increased acceptance into the network because of the following reasons:
- increased (above calculation) reactive power consumption by customers;
- an increase in losses of active energy expended on heating conductors because of the absence of compensation of reactive power capacity by consumers.
The volume of Kubanenergo services in electricity transmission totalled 15 659.271 million kilowatt hours in 2011, an increase in comparison with 2010 of 510.397 million kilowatt hours or 3.37%.
Actual losses of electricity in the Company’s networks totalled 2 783.715 million kilowatt hours of 13.931% of grid output. In comparison with 2010 with an increase in grid output of 5.837% total losses were 352.739 million kilowatt hours (the percentage of losses relative to the volume of grid output grew by 1.055 percentage point).
The growth in actual losses in the accounting year was due to increases in losses under load of electricity caused by a significant growth in acceptance of electricity into the Kubanenergo network, as well as work carried out by the Company’s networks on scheduled maintenance in view of the large scale construction and renovation of electricity facilities, especially in the Sochi energy district.