Branch	Electricity delivered to the grid, mn kWh	Electricity delivered from the grid to consumers and allied territorial grid organisations (TGOs) within balance and operational responsibility boundaries, mn kWh	Change, %	Electricity losses
				mn kWh	%	Change, p.p.
Astrakhanenergo	3,448.7	2,843.1	0.1	605.7	17.56	–0.06
Volgogradenergo	9,083.2	8,363.0	–8.0	720.2	7.93	0.37
Kalmenergo	748.4	598.7	25.6	149.7	20.00	–2.13
Rostovenergo	14,045.6	12,842.2	–0.7	1,203.4	8.57	–0.30
Total for IDGC of the South	27,326.0	24,646.9	–2.7	2,679.0	9.80	–0.05

On the basis of IDGC of the South activity results, in 2018 the volume of grid power delivered to consumers and to allied TGOs within the balance and operational responsibility boundaries was 24,647 mn kWh, which is lower vs 2017 by 694 mn kWh (or 2.7%) year-on-year (25,341 mn kWh in 2017).

In 2018, at Astrakhanenergo branch, the volume of grid power delivered to consumers and to allied TGOs within the balance and operational responsibility boundaries was 2,843.1 mn kWh, which is higher by 2.6 mn kWh (or 0.1%) year-on-year (2,840.5 mn kWh in 2017). The change is insignificant.

In 2018, at Volgogradenergo branch, the volume of grid power delivered to consumers and to allied TGOs within the balance and operational responsibility boundaries was 8,363.0 mn kWh, which is lower by 723.3 mn kWh (or 8%) year-on-year (9,086.3 mn kWh in 2017). The decrease was mostly attributable to the termination of the last mile model since July 1, 2017, in the Rostov Region in line with Clause 9, Art. 8 of Federal Law No.35-FZ On Electric Power Industry dated March 26, 2003 (excluded volume of 734.8 mn kWh).

In 2018, at Kalmenergo branch, the volume of grid power delivered to consumers and to allied TGOs within the balance and operational responsibility boundaries was 598.7 mn kWh, which is higher by 121.9 mn kWh (or 25.6%) year-on-year (476.7 mn kWh in 2017). Increase in power delivery is mainly due to 130.1 mn kWh growth in power consumption by TransneftEnergy, Caspian Pipeline Consortium-R.

In 2018, at Rostovenergo branch, the volume of grid power delivered to consumers and to allied TGOs within the balance and operational responsibility boundaries was 12,842.2 mn kWh, which is lower by 95.6 mn kWh (or 0.7%) year-on-year (12,937.8 mn kWh in 2017). The decrease was mostly attributable to the termination of the last mile business model since July 1, 2017, in the Rostov Regions in line with Art. 8, 9, of Federal Law No.35-FZ On Electric Power Industry dated March 26, 2003 (excluded volume of 325 mn kWh).