| Income | — | — |
| Revenue from operations | 12,999.03a | 16,165.24a |
| Other income | 947.41a | 1,217.98a |
| Total income | 13,946.44a | 17,383.22a |
| Expenses | — | — |
| Cost of fuel consumed | -1,743.96a | -2,200.05a |
| Changes in inventories | -238.96a | -206.31a |
| Employee benefits expense | -2,707.58a | -2,578.83a |
| Finance costs | -849.3a | -1,011.69a |
| Depreciation and amortization expenses | -1,824.89a | -1,800.79a |
| Other expenses | -5,250.91a | -5,338.59a |
| Total expenses | -12,137.68a | -13,136.26a |
| Profit/(loss) before exceptional items & rate regulatory activity | 1,808.76a | 4,246.96a |
| Net movement in regulatory deferral account balances income/(expenses) | 1,072.88a | -2,178.85a |
| Profit/(loss) before exceptional items and tax | 2,881.64a | 2,068.11a |
| Exceptional items - expenses/(income) | 0a | 12.32a |
| Profit/(loss) before tax | 2,881.64a | 2,055.79a |
| Tax expense | — | — |
| Current tax - Current year tax | -744.07a | -1,033.56a |
| Previous year tax | -38.48a | -53.95a |
| Tax expenses/(savings) on rate regulated account | -406.05a | -538.02a |
| Deferred tax (after MAT adjustment) | -97.32a | -189.08a |
| Total tax expenses | -1,014.32a | -630.66a |
| Profit/(loss) after tax before share of profit/(loss) of associates | 1,867.32a | 1,425.13a |
| Share of profit/(loss) of associates & joint venture | 0.25a | 0.97a |
| Profit/(loss) for the year | 1,867.57a | 1,426.1a |
| Profit attributable to | — | — |
| Owners of the company | 1,854.09a | 1,395.68a |
| Non controlling interest (NCI) | 13.48a | 30.42a |