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Conversion to LED technology

Investment calculation using a riding arena as an example
Halogen metal halide lamps (HQI/HIE) are frequently the first choice for riding arena lighting due to their relatively good luminous efficacy and colour rendering. The following example shows, however, that a conversion to LED technology can pay for itself quite quickly.

Riding arena of 40 x 24 metres
Installation height of the lights 6 metres
Average lighting strength approx. 200 lux
Average burning life of 6 hours per day

To the LED - Indoor/Outdoor Spotlights

Type of luminaire	Halogen-metal vapour 250 W	LED Indoor Spotlight 150 W
Power consumption	272 watts (incl. ballast)	150 watts
Service life of the light source	approx. 11,000 hours (= 5 years at a burning life of 6 h/day)	approx. 100,000 hours (= 45 years at a burning life of 6 h/day)
Required number of lights for 200 lux	20 pieces	15 pieces
Total connected power in the riding arena	5440 watts	2250 watts
Energy consumption per year (2190 h)	11.914 kWh	4.928 kWh
Investment costs for 15 LED lights		3.735 €
Energy costs per year (€0.20 /kWh)	2.383 €	986 €
Costs for lamp replacement, annualised	128 €
Total costs per year	2.511 €	986 €

Cost savings per year: 1.525 €
Amortisation period: 2,5 Jahre
Total cost savings after 20 years: 26.765 €

Cost trend over 20 years

Conversion to LED technology comparison graphic

Calculation aid for LED hall spotlights and LED floodlights