Electricity generated by the PV module charges the battery during the day time which powers the luminaire from dusk to dawn. The system lights at dusk and switches off at dawn automatically.

Performance specifications as per MNRE Guidelines:

PV Module

40 Wp under STC

Battery

Leadacid Tubular Flooded or Tubular GEL / VRLA,
12V- 40AH @ C/10

Light Source

White Light Emitting Diode (W-LED)

Light Output

Minimum 15 Lux when measured at the periphery of 4 meter diameter from a height of 4 meter. The illumination should beuniform without dark bands or abrupt variations, and soothing to the eye. Higher light output will be preferred.

Mounting of light

Minimum 4 metre pole mounted

Electronics Efficiency

Minimum 85% total
Duty Cycle Dusk to dawn

Autonomy

3 days or Minimum 42 operating hours per permissible Discharge

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CFL Based Solar Street Lighting Systems
Model Solar Panel Lighting Battery Pole Height
Model 1 12V 74Wp 1 x 11W CFL 12V 75 Ah 4 mtrs
Model 2 12V 120Wp 2 x 11W CFL 12V 100 Ah 4 mtrs
Model 3 (Double Arm) 12V 120Wp 2 x 11W CFL 12V 100 Ah 4 mtrs
LED Based Solar Street Lighting Systems
Model Solar Panel Lighting Battery Pole Height
Model 1 12V 37Wp 1 x 9W LED 12V 42 Ah 4.5 m
Model 2 12V 60Wp 1 x 12W LED 12V 60 Ah 5.75m
Model 3 12V 74Wp 1 x 18W LED 12V 80 Ah 5.75m