2degrees is a New Zealand-based wireless service provider that offers mobile and broadband services to its customers. The company was founded in 2009 and has since then grown to become a major player in the telecommunications industry in New Zealand. With a focus on sustainability and decarbonisation, 2degrees has made significant strides towards reducing its carbon footprint and promoting the use of renewable energy sources.

Decarbonisation is a key focus area for 2degrees, and the company has set ambitious targets to reduce its carbon emissions. In 2019, 2degrees became the first telecommunications company in New Zealand to be certified as carbon neutral under the international standard PAS 2060. This certification was achieved through a combination of measures, including the use of renewable energy sources, energy efficiency initiatives, and the purchase of carbon offsets.

One of the ways in which 2degrees is promoting the use of renewable energy is through the adoption of corporate power purchase agreements (PPAs). A corporate PPA is a long-term agreement between a company and a renewable energy provider, whereby the company agrees to purchase a certain amount of renewable energy at a fixed price over a specified period of time. By entering into a corporate PPA, 2degrees is able to secure a reliable and cost-effective source of renewable energy, while also supporting the growth of the renewable energy industry in New Zealand.

In 2020, 2degrees signed a 10-year corporate PPA with Mercury, a New Zealand-based renewable energy company. Under the agreement, 2degrees will purchase all the electricity generated by Mercury's new wind farm in South Taranaki, which is expected to generate enough energy to power around 30,000 homes. This PPA is expected to reduce 2degrees' carbon emissions by around 21,000 tonnes per year, which is equivalent to taking around 5,000 cars off the road.

In addition to its use of corporate PPAs, 2degrees is also investing in its own renewable energy infrastructure. In 2019, the company installed a 100 kW solar panel system at its Auckland headquarters, which is expected to generate around 140,000 kWh of renewable energy per year. This system is part of a wider initiative to reduce the company's reliance on grid electricity and promote the use of renewable energy sources.

2degrees is also making significant efforts to reduce its overall energy consumption through a range of energy efficiency measures. These include the use of energy-efficient lighting and heating systems, as well as the implementation of energy management systems to monitor and control energy use across the company's operations. By reducing its energy consumption, 2degrees is able to further reduce its carbon footprint and promote the use of renewable energy sources.

Overall, 2degrees is a leading example of a company that is committed to sustainability and decarbonisation. Through its use of corporate PPAs, investment in renewable energy infrastructure, and energy efficiency measures, the company is making significant strides towards reducing its carbon footprint and promoting the use of renewable energy sources. As the telecommunications industry continues to grow and evolve, it is likely that other companies will look to 2degrees as a model for sustainable and responsible business practices.