Earth Hour, 22 March

At the СŷÊÓƵ of Sheffield, we are taking steps to ensure we reduce the environmental impact of our energy, both by reducing usage and by procuring renewable energy.

An image of streetlight on at dusk

Procuring renewable energy

At the СŷÊÓƵ of Sheffield, we procure 100% renewable energy from . This means our purchased electricity is sourced solely from solar, wind, and hydro power, and this is audited and verified by the independent third party, Eco Act. 

Eco Act has certified that Bryt Energy’s electricity supply is backed by Renewable Energy Guarantee of Origin certificates (REGO). REGOs were put in place to match and track renewable generation, and this is currently the only official mechanism recognised by DESNZ (Department for Energy Security and Net Zero) in Great Britain for tracking renewable electricity. Purchasing electricity on the British wholesale market and matching this with REGO certificates therefore allows Bryt Energy to ensure an equivalent amount of electricity has been generated through renewables.

Reducing our usage 

Each year during the Christmas and Easter breaks, the СŷÊÓƵ organises a Switch Off campaign, encouraging staff and students to switch off equipment and appliances to save energy and reduce costs. 

During our recent Christmas Switch Off campaign, we saw some impressive reductions in electricity and energy use and were delighted to report that further savings were made in the 2024-2025 Christmas period compared with the corresponding period in 2023-24. Electricity consumption was 47% lower than a ‘typical’ period and heating consumption was 27% lower than a ‘typical’ period. 

In addition to these Switch Off campaigns, we have implemented various permanent measures that aim to further reduce our energy consumption across campus. For example, we’ve invested in installing new LED lighting and motion sensors in several buildings, ensuring electricity is not being wasted. We also encourage our community to save energy both on campus and at home throughout the year. 

Take part in  on 22 March, 8.30pm, by joining millions of others across the globe in switching off your lights for one hour. 

Our sustainability strategy

We have set the principles and direction for our sustainability strategy 

A global reputation

Sheffield is a world top-100 research university with a global reputation for excellence. We're a member of the Russell Group: one of the 24 leading UK universities for research and teaching.