Solar panels on roof of famous Cambridge chapel ‘send climate change message’

Work to install 438 solar panels on the roof of Cambridge’s King’s College Chapel is under way in a symbol of “commitment to being good stewards of our environment”.

While the panels are set to reduce King’s College’s carbon emissions by more than 23 tonnes per year, the scheme was criticised by Historic England after it was given the green light.

The heritage body said it was “disappointed” that permission was granted, adding it was being done “at some cost to the beauty of Cambridge’s finest building”.

Dr Gillian Tett, provost at King’s, said: “Many people love the chapel, they love the silhouette, they love it as the face of Cambridge, and we’re very mindful of that responsibility.

“Out of that responsibility there also becomes a chance to send a wider message about the need to try to grapple with climate change.

King’s College Cambridge solar panel installation
A photovoltaic engineer at work on the installation of 438 new solar panels (Gareth Fuller/ PA)

“The reality is you can still just about glimpse them if you look hard and that, frankly, is a reminder to all of us that we need to think about how we’re living for the future.”

She said it was “only one step on the road towards cleaner, greener energy but it is a potent and inspirational symbol of our commitment to being good stewards of our environment”.

Dr Tett said she wanted to speak about the project ahead of Cop28 and the Christmas carol services at King’s.

She said the project is “almost finished but not quite” due to “supply chain hitches”.

Shane Alexander, college project manager, said installation of the solar panels was designed to “dovetail” with work to replace the grade one-listed chapel’s lead roof.

King’s College Cambridge solar panel installation
Stephen Cherry, Dean of King’s College Chapel, views the installation of 438 new photovoltaic solar panels (Gareth Fuller/ PA)

“The restoration required that the entire lead covering was removed, recast and replaced, all while maintaining access to the building for visitors, daily services and concerts,” he said.

“The project was extraordinarily complex and has been delivered by a fantastic team.”

The roof restoration began in September 2022 and work on the solar scheme began in March.

Arrays of 219 panels will be fixed to each of the north and south slopes of the chapel roof and will generate an anticipated 123,000 kilowatt hours per year, the college said.

This will help the college in its ambition to decarbonise its operations by 2038 and reduce its carbon emissions by more than 23 tonnes each year, the equivalent of planting 1,090 trees, King’s said.

King’s College Cambridge solar panel installation
A view of King’s College Chapel as the installation of new solar panels continues (Gareth Fuller/ PA)

The Reverend Dr Stephen Cherry, Dean of the Chapel, said: “Whilst the economic input of the solar panels are valuable in monetary terms, its main public benefit is in the carbon saving over a period of many years.

“It must also be seen as part of the college’s drive to make its buildings, and especially the chapel, more efficient and as a tangible example of how the chapel can and should be contributing to the moral and ethical wellbeing of this place of learning.”

Mark Hart, joint managing director at Barnes Construction, which is working on the project, said he hoped the “success of the scheme will encourage similar endeavours that promote sustainability in historic buildings”.

Oliver Caroe, heritage and conservation-accredited architect for the project, said the “example of what can be achieved is already inspiring and informing others”.

The project has been exclusively funded by philanthropic donations made to the chapel and college over “many years”.

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