Deccan Herald 18.07.2013
City corporation goes LED way to save power
Energy saving lamps replace sodium bulbs, tubelights
To arrest the burgeoning expenditure on
streetlights, the Mysore City Corporation (MCC) has embarked on a
project to switch over to energy-saver light emitting diode (LED) lamps.
In the first phase, 520 LED lamps of two wattages will replace an equal
number of existing lamps here at an estimated cost of Rs 40 lakh.
The
works that were launched nearly a month ago has been already complete
in 40 wards, Executive Engineer of the MCC Krishna Bhovi told Deccan
Herald.
There are close to 70,000 streetlights kept on for 11
hours from dusk to dawn using 6,000 KW of power, costing the MCC a
monthly bill in the range of Rs 90 lakh to Rs one crore.
The
lamps comprise both sodium vapour bulbs of 250 watts and tubelights of
80 watts, which will be replaced by LED bulbs of 72 watts and 24 watts
respectively. Six 24 watt bulbs and two 72 watt bulbs — total eight —
will be installed in each of the 65 wards. Power consumed by four sodium
lamps can be supplied to 14 LED bulbs, ensuring more lux, using less
quantity of power.
After installing the aforementioned type of bulbs,
consumption of power could be reduced by two to three per cent, Krishna
Bhovi added.
Streetlights are switched on depending on the
season. As the days are longer during summer, lights are operated by 7
pm, helping the MCC to save power to an extent. During winter, owing to
early sunset, the timing is advanced by an hour.
To maintain the
system of switching on and off the lights, the civic body has entrusted
2,340 on and off points to dedicated men in the ratio of 1:30.
