Energy intensive industries need to adapt in order to play an important role in the low-carbon economy. Efficient use of energy resources and the minimisation of wasted heat will be important. The role of the steel industry in recovering recycled metals means these industries are important for a sustainable economy, providing employment and supporting manufacturing. The aim of this project is to investigate the potential uses for heat storage in Sheffield, UK for capturing heat which is produced intermittently at a steelworks for both re-use of heat on site at various temperatures and for heat supply to a city-wide heat network. Site visits were followed by calculations using data provided. Heat storage options were investigated to ensure that waste heat could be re-used effectively. The feasibility of using the district heating network in the city to carry low grade heat away from the plant was considered. Around 4.7 MW of useful heat could be generated from two steelworks sites in Sheffield and a further 10.9 MW from a site in nearby Rotherham. 22,500 tonnes of CO 2 could be saved per year by fully exploiting this waste heat resource.