v3.25.2
Cost of sales (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Expense by nature        
Net impairment of property, plant and equipment, intangible assets excluding goodwill and related prepaid land rent $ 1.7 $ 2.9 $ 3.6 $ 6.0
Impairment of assets held for sale   2.9   2.9
Cost of sales        
Expense by nature        
Power generation 81.8 90.6 167.4 179.4
Depreciation 75.6 73.8 151.5 147.6
Tower repairs and maintenance 14.1 8.9 27.1 24.5
Amortization 10.3 9.6 20.3 19.6
Staff costs 7.7 5.9 15.2 12.8
Regulatory fees 7.0 7.0 13.8 14.6
Security services 5.0 0.1 10.7 7.9
Travel costs 2.0 1.7 2.8 3.3
Net impairment of property, plant and equipment, intangible assets excluding goodwill and related prepaid land rent 1.7 2.9 3.6 6.0
Insurance 0.9 1.1 1.7 2.3
Short-term rental 0.9 1.1 1.4 3.7
Vehicle maintenance and repairs 0.5 0.5 1.0 0.9
Professional fees 0.3 0.5 0.7 0.9
Impairment of assets held for sale   2.9   2.9
Other 3.2 0.1 7.5 34.6
Total 211.0 206.7 424.7 461.0
Foreign exchange gains (losses) $ 0.3 $ 1.9 $ 0.3 $ (30.2)