African street lights 311.
(photo credit: Irene2005 and Globe Light & Water Systems Inc.)
Eva Levin writes for No Camels.
The giant structures line most of our major roads and have become an integral part of the urban landscape. Yet to most Westerners, streetlights are so common they hardly get noticed by anyone.
That is not the reality for most third world countries. Many African countries, for example, have a complete lack of street lighting on major streets, making it extremely dangerous to drive in anything but clear and sunny conditions.
That is why Globe Light and Water Systems (GLW,) an Israeli company, has developed a new standalone light fixture that relies solely on solar energy, rather than on the government-run power plants, which often lose power.
The lighting units, called Orion, do not require any external connection to an electrical source, but rather incorporate all necessary components required to create light energy: sunlight, batteries, and LED lamps.
“Unlike current street lighting which maintains the same level of light emission, our [light fixture's] dimming capability serves as additional power saving,” said Zeev Jakoby, GLW’s Managing Director.
As the sun’s rays hit the Orion’s photovoltaic panels, it charges the internal battery system, producing enough power to automatically turn on the lamps even after sunset. While the system illuminates at 100 percent at evening time, it is reduced to 60 percent at night time and increased again at dawn.
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In areas lacking sunlight, GLW created “panel umbrellas” which consist
of horizontal panels that are able to absorb the Sun’s energy from
different angles and directions.
According to GLW, even if there
were enough street lamps, the power stations generating their energy in
many countries cannot be relied on.
In Nigeria, for example,
there are nine electricity generating stations, all owned by the
government’s Power Holding Company of Nigeria (PHCN,) or otherwise known
to many locals as “Please Have Candle Nearby.”
On the Island of
Zanzibar, part of Tanzania, power supply was cut off for close to six
months in 2010, leaving locals no other choice but to rely on
generators, which are expensive and significantly increase pollution.
And according to a New York Times
report, homes and businesses of African nations like Zambia and Angola lost power two or three times a week in 2007.
to Jakoby, one solution is to replace current wasteful HPS (High
Pressure Sodium) bulbs for LED (Light-Emitting Diode) lamps. “While a
regular bulb loses about 90 percent of its energy on heat, LED bulbs
only lose 80 percent,” he said.
GLW started developing its
technology two years ago and is already developing lighting systems for
Nigeria, Ethiopia and Colombia.
According to them, the advantages
of their lighting system include low operating and maintenance costs.
“The battery located within the Orion lasts up to five years and the
system requires lamp replacement every twelve years, which includes a
simple physical installation,” Jakoby said.
“We believe that we
contribute to a better world by giving countries a technology that
enables access to such a basic service as light for everybody,” he
added.No Camels - Local solutions to global problems.
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