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21 October 2024
Submitted by hab36@cam.ac.uk on 21 October 2024

Selwyn has made another major step towards greater sustainability across its site. The college has added around 70 solar photovoltaic panels to the existing installation on the roof of Cripps Court, increasing green power generation capacity by 50% and meeting around one third of the annual electricity usage of the building. 

We have also installed a battery set at ground level to store photovoltaic power generated by day, and then release it at times of peak use – principally early morning and evenings. The projected value of the electricity savings ranges from £12,000 to £16,000 per annum. In sustainability terms, the 45,000 kWh generated from the panels and the battery array equates to saving over 22,000 kg of CO2 annually, which will make a material contribution to the college’s reduction of its carbon footprint. This follows other initiatives including the installation of ground source heat pumps in the student accommodation at 29 and 31 Grange Road and 1 Selwyn Gardens.

We’re grateful to the Cripps Foundation which has continued its support for the college with a significant contribution to this project. 

The photograph shows the mix of new and old solar panels on the roof of the Cripps Court buildings.