Absolute consumption is a function of size. The normalised columns are what make sites comparable — and they are the basis any site manager will challenge first.
| Site | Format | Energy | Cost | kWh/m² | kWh/cover |
|---|---|---|---|---|---|
| Cardiff Castle Street | cafe restaurant | 333,620 | £51,563 | 1192 | 3.38 |
| Bristol Harbourside | cafe restaurant | 325,610 | £47,003 | 1050 | 2.91 |
| Bath Milsom Street | cafe restaurant | 266,785 | £38,091 | 1046 | 3.05 |
Ranked by severity, then by annual cost. Every figure links to the data behind it.
Cardiff Castle Street used 1.6 kWh per cover against a cafe_restaurant median of 1.2, a gap of 32%. The comparison is weather-adjusted and normalised by kWh per cover.
→ Compare plant, settings and opening hours against Birmingham Bullring.
The minimum overnight load has risen from 4.52 kW to 5.77 kW over 12.0 months — about £3,289 a year if it continues. A steady climb like this usually means equipment degrading rather than a change in trading.
→ Inspect refrigeration seals, door heaters and any always-on plant at Bristol Harbourside.
6% of readings for 2026-01-12 to 2026-02-22 are estimated rather than actual. These are excluded from baselines and flagged in the statutory report.
→ Ask the supplier for actual reads covering 2026-01-12 to 2026-02-22.