Energy & Sustainability Tracker: Telcos, 2025
Description
This report provides a detailed assessment of energy usage and sustainability in the telecommunications industry. We analyze energy consumption, renewable use, and emissions for 66 telcos representing about 85% of the global market. We examine the global industry and present metrics on usage, efficiency, and emissions for all companies. The report includes rankings to highlight leaders and recent improvers, as well as laggards, who often need supplier help to boost efficiency and renewability.
For all 66 telcos, we present data on energy use and Scope 1 and 2 emissions, based on their ESG reports. A subset of 50 companies also report enough Scope 3 data to allow for a value chain analysis. A subset of 32 publish traffic data, which lets us analyze traffic carried per unit of energy consumed and similar metrics.
This analysis extends MTN Consulting’s research into network operator energy use, which began five years ago. The study relies on our proprietary telco financial tracker, with market data through June 2025. It is supplemented by new financial data gathered for this report, including Net PP&E for all 66 telcos from 2019 to 2024.
Company rankings
Which companies rank highest and lowest on key metrics?
Our telco energy tracker allows users to see where any of the 66 rank along a number of important sustainability metrics. That includes simple reported data like energy consumption, where China’s big 3 telcos consume the most, by far: China Mobile’s 64.7 TWh accounts for a full 19% of global telco consumption, for example. On more interesting metrics, top performers include:
-->Renewable energy, % total: Turkcell, Tele2 AB, Telia, Deutsche Telekom, KPN, and Swisscom (all over 90%)
-->Energy intensity, revenue basis: Liberty Global, Swisscom, Softbank, Proximus, PCCW, and Comcast (all less than 70 MWh of consumption per $1M in revenue)
-->Emission intensity, scope 1 & 2m (net PP&E basis): Swisscom, KPN, PCCW, Tele2 AB, Telia, Liberty Global, Turkcell, DT, and Proximus (all less than 5 MT CO2e per $1M in net PP&E)
-->Emission intensity, scope 1 & 2m (revenue basis): Tele2 AB, Swisscom, KPN, PCCW, Telia, Liberty Global, DT, Turkcell, Proximus (all less than 5 MT CO2 equivalent per $1M in revenue)
-->Emission intensity, scope 1/2m/3 (revenue basis): Swisscom, Telefonica, Proximus, Liberty Global, Telia, Telus, Charter Communications, Deutsche Telekom, Tele2 AB, America Movil, and Entel (all less than 100 MT CO2e per $1M in revenue
As should be apparent, some familiar names appear as top performers based upon multiple criteria. Most are in Europe.
Please Note: This product is delivered as a Excel File.
For all 66 telcos, we present data on energy use and Scope 1 and 2 emissions, based on their ESG reports. A subset of 50 companies also report enough Scope 3 data to allow for a value chain analysis. A subset of 32 publish traffic data, which lets us analyze traffic carried per unit of energy consumed and similar metrics.
This analysis extends MTN Consulting’s research into network operator energy use, which began five years ago. The study relies on our proprietary telco financial tracker, with market data through June 2025. It is supplemented by new financial data gathered for this report, including Net PP&E for all 66 telcos from 2019 to 2024.
Company rankings
Which companies rank highest and lowest on key metrics?
Our telco energy tracker allows users to see where any of the 66 rank along a number of important sustainability metrics. That includes simple reported data like energy consumption, where China’s big 3 telcos consume the most, by far: China Mobile’s 64.7 TWh accounts for a full 19% of global telco consumption, for example. On more interesting metrics, top performers include:
-->Renewable energy, % total: Turkcell, Tele2 AB, Telia, Deutsche Telekom, KPN, and Swisscom (all over 90%)
-->Energy intensity, revenue basis: Liberty Global, Swisscom, Softbank, Proximus, PCCW, and Comcast (all less than 70 MWh of consumption per $1M in revenue)
-->Emission intensity, scope 1 & 2m (net PP&E basis): Swisscom, KPN, PCCW, Tele2 AB, Telia, Liberty Global, Turkcell, DT, and Proximus (all less than 5 MT CO2e per $1M in net PP&E)
-->Emission intensity, scope 1 & 2m (revenue basis): Tele2 AB, Swisscom, KPN, PCCW, Telia, Liberty Global, DT, Turkcell, Proximus (all less than 5 MT CO2 equivalent per $1M in revenue)
-->Emission intensity, scope 1/2m/3 (revenue basis): Swisscom, Telefonica, Proximus, Liberty Global, Telia, Telus, Charter Communications, Deutsche Telekom, Tele2 AB, America Movil, and Entel (all less than 100 MT CO2e per $1M in revenue
As should be apparent, some familiar names appear as top performers based upon multiple criteria. Most are in Europe.
Please Note: This product is delivered as a Excel File.
Table of Contents
- Overview
- Analysis
- Global results
- Company results
- Rankings
- Raw data
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