Monthly consumption
2.4 MWh
projected from 7-day measurement
Peak demand
38 kW
Tue 11:40 — all three phases
Coincidence factor
0.62
loads rarely peak together
Data coverage
99.8%
audit-grade · per phase, per channel
Load profile — 24 h raw 1-min readings · per phase
Phase A
Phase B
Phase C
retained raw 24 h → 15-min history
Energy balance where the energy actually goes
HVAC38%
Refrigeration24%
Equipment18%
Lighting14%
Losses6%
Audit procedure EN 16247 · ASHRAE 211
✓
Data collectiondone
Bills & load analysis, 12–36 months back — electricity, gas, fuels
✓
On-site surveydone
Full walk-through — HVAC, lighting, building envelope (insulation, windows), equipment
3
Diagnosticsin progress
Specialized instruments where needed — thermal cameras, power meters, gas analyzers
4
Energy balancebuilding
Mapping exactly where energy is used — and where it is being lost
5
Measures plan — the reportpending
Recommended measures ranked by investment cost, annual savings and payback (ROI)
Prerequisites required before the audit starts
Utility bills for the last 12+ months provided
Site access & single-line electrical diagram
Equipment & load inventory confirmed
Metering points agreed — Shelly Pro 3EM at main panel
Recommended measures ranked by payback
| Measure | CapEx | Savings / yr | Payback |
|---|---|---|---|
| HVAC scheduling | €1,800 | €3,200 | 0.6 y |
| LED retrofit | €12,400 | €5,100 | 2.4 y |
| PV 120 kWp | €78,000 | €19,800 | 3.9 y |
| Battery 90 kWh | €41,000 | €8,700 | 4.7 y |
| Compressor VFDs | €9,600 | €4,000 | 2.4 y |
| Roof insulation | €24,000 | €4,600 | 5.2 y |
System sizing — from real data
Recommended PV120 kWp
Battery storage90 kWh
Hybrid inverter100 kW
Projected annual savings€36,800