Public Sector Lighting Case Study
About this project
3E (UK) Ltd was asked to reduce the cost of lighting while improving the quality of the lighting in a Multi function Sports Hall. The existing 400 Watt Sodium luminaires were replaced with a 4 x 54 IP54 Sealed impact resistant High Bay T5 luminaire.
Results
| Data | Before | After | Saving |
| No. of Fittings | 32 | 32 | One-For-One |
| Installed Load | 13.9kW | 7.68kW | -6.24kW p.a. |
| Light Level | >230 lux | 340 lux | +46% |
| Cost | £4,000 p.a. | £2,200 p.a. | £1,800 p.a. |
| Annual CO2 | 13.04 tonnes | ||
| PAYBACK Installed | 4.06 years |
Energy Saving = 45%
HNBP 454 Sealed