T-Mobile USA Inc is a leading wireless telecommunications company based in the United States of America. The company is committed to providing reliable and affordable wireless services to its customers while also prioritizing environmental sustainability. T-Mobile USA Inc has been at the forefront of the decarbonisation movement in the telecommunications industry, and has implemented several initiatives to reduce its carbon footprint and promote the use of renewable energy.

One of the key ways in which T-Mobile USA Inc is working towards decarbonisation is through its corporate energy strategy. The company has set ambitious goals to reduce its greenhouse gas emissions and increase its use of renewable energy sources. T-Mobile USA Inc has committed to sourcing 100% of its electricity from renewable sources by 2021, and has already made significant progress towards this goal. In 2019, the company sourced 95% of its electricity from renewable sources, and has continued to invest in renewable energy projects to further reduce its carbon footprint.

T-Mobile USA Inc has also implemented a corporate power purchase agreement (PPA) to support the development of renewable energy projects. The company has entered into long-term agreements to purchase renewable energy from wind and solar projects, which not only helps to reduce its carbon footprint, but also supports the growth of the renewable energy industry. T-Mobile USA Inc's corporate PPA has been recognized as one of the largest in the telecommunications industry, and has helped to drive the development of new renewable energy projects across the country.

In addition to its corporate PPA, T-Mobile USA Inc has also invested in on-site renewable energy projects at its facilities. The company has installed solar panels at several of its locations, which generate clean energy to power its operations. T-Mobile USA Inc has also implemented energy efficiency measures at its facilities, such as LED lighting and HVAC upgrades, to reduce its energy consumption and further reduce its carbon footprint.

T-Mobile USA Inc's commitment to decarbonisation and renewable energy is not only good for the environment, but also for the company's bottom line. By investing in renewable energy and energy efficiency measures, T-Mobile USA Inc has been able to reduce its energy costs and improve its operational efficiency. The company has also been able to attract environmentally-conscious customers who value sustainability and are willing to pay more for products and services that align with their values.

T-Mobile USA Inc's corporate energy strategy has been recognized by several organizations for its leadership in sustainability. The company has been included in the Dow Jones Sustainability Index for North America, which recognizes companies that demonstrate leadership in environmental, social, and governance (ESG) performance. T-Mobile USA Inc has also been recognized by the Carbon Disclosure Project for its efforts to reduce its carbon footprint and promote the use of renewable energy.

In conclusion, T-Mobile USA Inc is a leading wireless telecommunications company that is committed to decarbonisation and the use of renewable energy. The company's corporate energy strategy includes a corporate PPA, on-site renewable energy projects, and energy efficiency measures to reduce its carbon footprint and promote sustainability. T-Mobile USA Inc's commitment to sustainability has not only helped to reduce its environmental impact, but has also improved its operational efficiency and attracted environmentally-conscious customers. The company's leadership in sustainability has been recognized by several organizations, and serves as a model for other companies in the telecommunications industry to follow.