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12.128.565
41.487
Tons of emissions CO₂
0082974,930
MWh

TOWN OF SENEC
LED modernization of public lighting

The biggest LED street lighting installation in Slovakia and Czech Republic

63 %
400.000 kWh
100.000 kg CO₂
8 years
119.102 €

Solution

  • LED luminaires Luma and Stela Round from PHILIPS
  • Roads - Correlated colour temperature (CCT 4000K) - day white
  • Pedestrian zone - Correlated colour temperature (CCT 3000K) - warm white
  • Correlated rendering index (CRI 70/80)
  • Reconstruction of poles
  • Reconstruction of booms
  • Reconstruction of open-wire line
  • Illumination of crosswalks
  • LED Indal Miniluma 22W | 432 pcs
  • LED Indal Miniluma 29W | 307 pcs
  • LED Indal Miniluma 36W | 580 pcs
  • LED Indal Luma 60W | 318 pcs
  • LED Indal Luma 90W | 158 pcs
  • LED Indal Stela Round 85W | 96 pcs

Initial type of lighting

    • High luminaires failure rate and exchange of light sources
    • Poles of public lighting are not stabile
    • Illuminance over its operating lifetime
    • Does not meet STN (Slovak technical norm) criteria
    • Dangerous crosswalks with no illuminance
    • Low correlated rendering index
    • High pressure sodium lamp 70 - 250 W | 1 781 pcs

The results

Upgraded LED lighting system consumes 63 % less power than the original lighting system 99.102 € yearly!

Maintenance costs decreased by 20.000 € yearly.

Thanks to economical LED technology, we lighten the environment by more than 100.000 kg emissions CO₂ yearly, which represents the volume of emissions that has to be absorbed 5000 mature trees.

Return of investment achieved 8 years .