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A straightforward comparison of survey methods for hotel electrical energy analysis
| Desktop Survey |
Walkround Survey |
Energy Monitoring Software |
Stop Wasting Power Measured Load Analysis |
|
|---|---|---|---|---|
| Data source | Bills and benchmarks | Visual inspection, equipment lists | Whole-site or sub-meter readings | Distribution board-level monitoring at 30-second intervals |
| Identifies specific faulty equipment | ✕ No | ~ Sometimes | ✕ No | ✓ Yes — circuit by circuit |
| Shows overnight and off-hours load | ✕ No | ✕ No | ~ Whole-site only | ✓ Yes — by individual circuit |
| Reveals staff behaviour patterns | ✕ No | ✕ No | ✕ No | ✓ Yes — load spikes tied to shift patterns |
| Savings figure is based on | Estimates from benchmarks | Estimates from observation | Modelled data | ✓ Calculated from measured data |
| Catches misconfigured building systems | ✕ No | ~ Only if visible | ~ May flag anomaly | ✓ Yes — e.g. VSDs running at 3am |
| Power factor analysis | ✕ No | ✕ No | ✕ Rarely | ✓ Yes — included as standard |
| Hotel sector specialism | ✕ No — generic | ✕ No — generic | ✕ No — generic | ✓ Hotels only |