Researchers from the University of the West of England proposed using cemeteries as a source of low-carbon heat for nearby public buildings.
In a pilot project, they examined the feasibility of laying ground-source heat pump pipework:
- along existing paths;
- in unburied areas
at Shirehampton Cemetery in Bristol to supply heat to schools, halls, and places of worship.
The scientists emphasize that such sites are less likely to be dug up or developed than parks, making them attractive for underground infrastructure, despite the obvious cultural and ethical issues.
Using the Bristol site as a case study, the researchers carried out:
- above-ground measurements;
- digital mapping,
which showed that the path network can accommodate a substantial volume of pipework without disturbing burials.
According to calculations, a system installed there could produce annual heat comparable to the needs of twelve to eighteen average UK homes 🏠 — which is already of practical interest for nearby public facilities.
Expanding the analysis to England and Wales, specialists identified:
- 2255 cemeteries and burial grounds
- with a total area of 8347 hectares.
It turned out that:
- 70% of these sites are within 250 meters of places of worship;
- 42% — of schools;
- 28% — of community centers;
- 6% — of libraries,
which opens up opportunities for local heat supply 🔥.
At the same time, the key barrier remains public perception.
In a survey of Shirehampton residents, in which more than 100 people took part:
- 60% considered installing heat pumps in a cemetery acceptable;
- 29% outright rejected the idea.
Support increased when the discussion concerned new cemeteries and using the heat for community needs; however, the project requires:
- careful coordination with historic and archaeological services;
- adapting technical solutions to narrow and complex sites.