Energy consumption and mix

Responsible energy management is a cornerstone of the Swisscom Group’s commitment to sustainable development. In recognition of the critical role of energy in its business operations and the worldwide rise in electricity demand, the Group is intensifying its efforts in Switzerland and Italy to improve energy efficiency, expand its own renewable energy generation, and foster innovative solutions to boost its performance and uphold its pioneering role in sustainable energy management.

2025
In MWh 20231 2024 Switzerland Italy Group % change from previous year
Total energy consumption related to own operations 677,145 971,355 527,031 411,284 938,315 –3%
Total energy consumption from fossil sources 139,570 161,679 45,431 86,420 131,850 –18%
Fuel consumption from coal and coal products
Fuel consumption from crude oil and petroleum products 47,854 63,277 26,916 21,230 48,145
Fuel consumption from natural gas 4,912 6,219 4,231 1,461 5,692
Fuel consumption from other fossil sources – – – – –
Purchased electricity, heat, steam or cooling from fossil sources 86,804 92,182 14,284 63,729 78,013
% of fossil sources from total 21% 17% 9% 21% 14%
Total energy consumption from nuclear sources 113,465 117,777 114,445 – 114,445 –3%
% of nuclear sources from total 17% 12% 22% 0% 12%
Total energy consumption from renewable sources 424,111 691,899 367,155 324,864 692,019 0%
Fuel consumption from renewable sources – – – – –
Purchased electricity, heat, steam and cooling from renewable sources 420,561 686,972 362,046 323,583 685,628
Consumption of self-generated non-fuel renewable energy 3,549 4,927 5,110 1,282 6,391
% of renewable sources from total 63% 71% 70% 79% 74%
Total energy production 3,733 4,927 5,202 1,282 6,484 32%
Renewable energy production 3,733 4,927 5,202 1,282 6,484
Non-renewable energy production – – – – –
1 2023 data excludes Vodafone Italia.