Wednesday, August 08, 2007

City installs energy-saving street lights

By Celeste Ganga
08 August 2007

Over 180 000 street lights across the entire Cape metropole, will be fitted with energy-efficient light bulbs during the next year.

“The City of Cape Town plans to replace all the 80 watt mercury vapour bulbs currently being used in street lighting, with 70 watt high pressure sodium bulbs,” says Manager of Public Lighting, Charles Kadalie.

According to Kadalie, this will result in estimated energy savings at 12% across the board.

“This is part of the City’s concerted efforts to conserve power, whilst at the same time dealing with the scourge of cable theft and vandalism,” says Kadalie.

Kadalie adds that because they are plagued by widespread plundering of their substations and power lines, the municipality has been forced to keep certain areas of street lights burning during the day, to help prevent and monitor occurrences of cable theft.

“The cost of replacing stolen cable and vandalised equipment amounts to R35 000 per incident,” explains Kadalie.

Kadalie says that areas where disruptions are regularly caused by cable theft are; Bonteheuwel, Hanover Park, Gugulethu, Pinelands, Bishops Court, Atlantis, the M5, Mitchells Plain and Vanguard Drive.

To report any suspicious activity around substations and power lines theft, contact the Cable Theft Hot Line on 0800 222 771

To report faulty street lights within the City of Cape Town’s jurisdiction, call the all hours number on 0860 125 012

1 comment:

Anonymous said...

Hi my name is Andrea Barausse
The MD of ENERGYWISE
A company working in close cooperation with Eskom in the DSM (energy saving program)
-The solution of replacing the existing 300000 Mercury Vapor 80W fittings with High Pressure Sodium 70w is not necessarily the most energy saving option and in fact - in terms of Visual performance
In fact it is direct contrast with all the latest understanding in night visual ability, and possibly the worst option applicable option.
The reason is a bit too long to elaborate right now -
but there are enough evidence in latest study (from Europe and USA) and also proven by some extensive test conducted by our-self in many different environment - to suggest that adopting the High pressure sodium 70w - will not be the best solution from a energy point of view or and from a human visual experience.
I understand that I don’t have all the required information to make a final assessment but I am sure that we could illustrate how other solution could provide better result - more energy efficient and in line with the latest understanding in visual EFFECTIVE ability – saving more money, energy and contributing in creating a more “friendly “ nights

We will try to make contact with Charles Kadalie to illustrate our point - or hopefully he will get in touch with us - before making is final decision

There a cost involved off course - but beside better light, there will be better saving reaching 20% to 50% (instead of a 12%)

Regards
Andrea Barausse (MIESSA)
andrea@energywise.co.za
Cell +27 082 5550027
Lighting/Energy saving specialist

+27 31 7642345
www.energywise.co.za

Energywise case study published on Microsoft.com:
http://www.microsoft.com/casestudies/casestudy.aspx?casestudyid=201381

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