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  • 2018 Corporate Responsibility Report

Energy Strategy at T-Mobile USA

At T-Mobile USA we believe that through our commitment to 100% renewable energy we can change Wireless for Good. Our strategy combines clean energy, network resiliency and bold inspiration to create both a thriving business and a sustainable world.

The company's key energy metrics, energy and carbon intensity both saw strong improvements in 2018:

  • The energy intensity KPI img decreased from 422 to 355 MWh per terabyte.  
  • The carbon intensity KPI decreased from 170 to 106 metric tons of CO2e per terabyte. 

These improvements largely resulted from a 34% increase in data traffic while only experiencing a 13% increase in energy usage. Efficiencies in our equipment allowed for greater traffic loads without requiring an equal increase in energy consumption.

Renewable Energy Commitment: In 2017, T-Mobile USA announced an industry leading commitment to achieve 100% renewable energy usage by 2021. The company views tackling climate change and leading on renewable energy as a tremendous opportunity for T-Mobile to challenge the status quo and seize both financial opportunity and the mantle of industry leadership.

Since the last update, T-Mobile USA has grown its renewable energy portfolio and added over 160 MW through the Solomon Forks Wind Project in Kansas, which will be operational as of July 2019. With this project we will produce an estimated 625 GWh of electricity annually. This doubles the capacity we put online through our pioneering Red Dirt wind project in Oklahoma.

The combined production of the Red Dirt Wind Power and the Solomon Forks Wind Project is a total contracted capacity of 320 MW. These 12 and 15-year clean energy contracts will reduce T-Mobile’s operating CO2 emissions across our US retail stores, call centers, and network operations.

T-Mobile USA has also taken an important step to ensure the corporate headquarters in Bellevue, Washington is powered by renewable energy, by joining Puget Sound Energy's "Green Direct" program which provides renewable energy directly through the local utility.

Energy Efficiency Projects: The energy team at T-Mobile USA researches and designs innovative ways to boost efficiency and cut energy across the entire business. Here are some ways we are optimizing the operation of our network:

  • At our data centers we made a number of efficiency improvements including:
    • Addition of cold aisle containment to IT equipment rows, and reprogramming of systems to utilize more 'Free Energy'
    • Upgraded mechanical and electrical systems designed to utilize more efficient equipment and architecture. 
    • Addition of hot aisle containment to IT equipment rows with directional and blanking floor tiles for better air management.
  • Installed ENERGY STAR certified LED Lighting was at approximately 1,500 new corporate and dealer stores. We also completed additional lighting retrofits across the T-Mobile commercial real estate portfolio. The upgrades were completed in T-Mobile Call Centers, Switch Sites, Regional Business Offices, and its corporate headquarters.
  • T-Mobile USA completed numerous pilots and small projects across the company installing new, more energy efficient equipment at our switch stations, cell sites, retail stores and call centers.
  • The company has implemented more efficient technologies to reduce the demands of heating and cooling its cellular equipment.