To illustrate the order of magnitude, the table below presents indicative business cases for different supermarket and convenience store formats. Figures are based on applying 13–40% energy savings to typical refrigeration energy spend at each scale, using current UK commercial electricity rates (24.5p/kWh, Q1 2026) and UK grid carbon intensity (0.129 kg CO₂/kWh).

Large Supermarket
Annual savings with DLH: £32000 - £98000 CO2 reduction: 17-52 tonnes
Mid-Size Supermarket
Annual savings with DLH: £18000-£55000 CO2 reduction: 10-29 tonnes
Small Supermarket
Annual savings with DLH: £10000-£31000 CO2 reduction: 5-16 tonnnes
Large Convenience Store
Annual savings with DLH: £3900-£12000 CO2 reduction: 2-6 tonnes
Small Convenience Store
Annual savings with DLH: £2000-£6100 CO2 reduction: 1-3 tonnes
Forecourt Store
Annual savings with DLH: £2900-£8900 CO2 reduction: 2-4 tonnes