Case Study: 250W HPS Comparison
Specifications
Road: A3 classified road + 2m setback Luminaire spacing: 36m Road width: 10.5m Height: 7m
The LEDLUME-MIDI provides a 50% energy saving compared to a 250W high-pressure sodium luminaire, while fully meeting the road light level requirements.
Furthermore, a much better colour rendering index is provided, thereby enhancing the safety and visibility of pedestrians and road users.
Comparing a 250W HPS to a LEDLUME-MIDI street light installation
LEDLUME- MIDI
250W HPS/E
100%
278W
50%
138W
50% Energy
Savings(*)
Energy Savings
(*)Optic 5139, optimised design based on specifications
A3 Requirements (No median 600 or with median 900)
Luminaire fitted with 250W
High-Pressure Sodium Lamp
LEDLUME-MIDI 64 LED
Luminaire power consumption (W)
- 278 138
Spacing between luminaires (m) - 27 36
Average luminance (cd/m2) At least 1.0 1.12 1.12
Global uniformity - U0 (%)
At least 1.0 42 52
Longitudinal uniformity - Ul (%)
At least 1.0 83 83
Glare - TI (%) Less than 20 8.7 5.8
Power consumption per km (W)
- 7,722 3,833
Detail on lighting design comparison available on request.
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