| Revenue | 90.96a | 87.17a |
| Expenses | — | — |
| Purchases and distributions of electricity and gas | -31.87a | -30.83a |
| Staff expenses | -5.15a | -4.75a |
| Fuel and other operating expenses | -29.76a | -27.82a |
| Depreciation and amortisation | -9.28a | -8.59a |
| Other charge | | -5.87a |
| Operating profit | 14.9a | 9.32a |
| Finance costs | -2.25a | -2.14a |
| Finance income | 0.24a | 0.27a |
| Share of results, net of income tax | — | — |
| Joint ventures | 0.85a | 1.15a |
| Associates | 1.81a | 2.05a |
| Profit before income tax | 15.54a | 10.64a |
| Income tax expense | -2.82a | -2.97a |
| Profit for the year | 12.72a | 7.67a |
| Earnings attributable to | — | — |
| Shareholders | 11.74a | 6.66a |
| Perpetual capital securities holders | 0.14a | 0.14a |
| Other non-controlling interests | 0.84a | 0.88a |