Woolworths Group is one of the largest supermarket chains in Australia, with over 1,000 stores across the country. The company has a strong focus on sustainability and has made significant strides in reducing its carbon footprint through decarbonisation and the use of renewable energy.

Decarbonisation is a critical component of Woolworths Group's sustainability strategy. The company has set ambitious targets to reduce its greenhouse gas emissions and has implemented a range of initiatives to achieve these goals. One of the key areas of focus for Woolworths Group is energy efficiency. The company has invested in energy-efficient lighting, refrigeration systems, and HVAC systems, which has resulted in significant reductions in energy consumption.

In addition to energy efficiency, Woolworths Group has also invested in renewable energy. The company has installed solar panels on the roofs of many of its stores, which generate clean energy and reduce the company's reliance on fossil fuels. Woolworths Group has also signed corporate power purchase agreements (PPAs) with renewable energy providers, which ensure that the company is sourcing a significant portion of its energy from renewable sources.

Corporate PPAs are a relatively new concept in Australia, but they are becoming increasingly popular among large corporations that are looking to reduce their carbon footprint. A corporate PPA is a long-term agreement between a company and a renewable energy provider, which guarantees that the company will purchase a certain amount of energy from the provider over a set period. This provides the renewable energy provider with a stable revenue stream, which enables them to invest in new renewable energy projects.

Woolworths Group has signed several corporate PPAs with renewable energy providers, which have enabled the company to source a significant portion of its energy from renewable sources. In 2019, Woolworths Group signed a 10-year corporate PPA with Bango Wind Farm, which will provide the company with 100% of its electricity needs in New South Wales. The agreement will result in a reduction of 77,000 tonnes of greenhouse gas emissions per year, which is equivalent to taking 23,000 cars off the road.

Corporate energy is another area of focus for Woolworths Group. The company has implemented a range of initiatives to reduce its energy consumption and improve its energy efficiency. One of the key initiatives is the installation of energy-efficient lighting in its stores. Woolworths Group has also implemented a range of HVAC systems, which use less energy than traditional systems and are more efficient at cooling and heating the stores.

Woolworths Group has also implemented a range of energy management systems, which enable the company to monitor and control its energy consumption in real-time. This has enabled the company to identify areas where it can reduce its energy consumption and make changes to its operations to achieve these goals.

In addition to its focus on decarbonisation and renewable energy, Woolworths Group has also implemented a range of sustainability initiatives across its operations. The company has set ambitious targets to reduce its waste and increase its recycling rates. Woolworths Group has also implemented a range of initiatives to reduce its water consumption, including the installation of water-efficient fixtures and the implementation of water recycling systems.

Overall, Woolworths Group is a leader in sustainability in the Australian supermarket sector. The company has made significant strides in reducing its carbon footprint through decarbonisation, the use of renewable energy, and energy efficiency initiatives. Woolworths Group's focus on sustainability is not only good for the environment but also good for business, as it enables the company to reduce its operating costs and improve its reputation with customers and stakeholders.