Energy consumption can be reduced by over 40% merely by correct lamp selection. Further reduction potential can be achieved with electronic control gear, efficient optical accessories and a daylight-dependent constant light control.
| | Before | After |
| Conversion | 400W HQL | 4x58W T26, ECG |
| Light Intensity | 300 lx | 300 lx |
| Service Life, Lamp | 9,000 h | 12,000 h |
| Operation Time per year | 4,000 h | 4,000 h |
| Connected Load | 84.2 kW | 52.8 kW |
| No. of luminaires | 198 | 198 |
| Relative energy costs | 100 % | 63 % |
Energy savings with improved lighting conditions: 37 %