Public lighting with the LED technology It is already a fact in cities that are as familiar to us as Barcelona, even in other far more distant cities such as Taiwan, Torraca in Italy, New York or Sydney.
In addition to the big apple, in United States other cities have joined the trend such as Los Angeles, Boston, Ambler, Cleveland or Raleigh. The municipalities are satisfied with the adoption of this luminaire and ensure that significant energy and economic savings are recorded, as well as that the investment pays off soon.
Meanwhile, in Europe the German city of Lipstadt installed 450 led lights (Light Emission Diode or light emitting diode). Once the experience has been proven, they affirm that they have saved 117.000 kWh per year, thereby further reducing carbon dioxide emissions, CO2.
In the small Italian town of Torraca, the City Council chose, in 2007, to change all its public lighting and switch to LED technology. The modification involved 700 streetlights that have consumed 40 percent of the electrical power of the one used previously, with which this locality obtained an important energy savings. The investment was 200 thousand euros that will be amortized in 2011, that is, in approximately five years.
LED lights in Spain
The municipality of L´Estany, in Barcelona, it has all its public lighting with LED lights. The investment was 46 thousand euros, in 2009. The municipality projects that it will be amortized in 5 years. This town of 400 inhabitants will reduce the consumption of electricity by 80 percent and the emission of carbon dioxide responsible for the climate change.
The city of Barcelona itself uses luminaires in some streets, complementing the streetlights with timers and motion detectors so that they do not turn on without people on the street.
Province LleidaFor its part, it will surpass Barcelona in terms of the adoption of this technology as it plans to incorporate it in more than 40 streets and squares.
Sources from the Hella company, a multinational company, assure that Spanish municipalities could save between 60 and 80 percent of energy consumption with LED lights, adding other advantages such as durability twelve years of these lights, compared to three years of traditional technology, which lowers your maintenance costs.
Source: Luminaria Magazine
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EXCELLENT DATA but the savings are not only in the energy account payable, nor for the natural environment as such (by discarding less mercury than fluorescent lights) but for HEALTH and the accounts of the Ministry of Health of each country in concept of fewer people with epilepsy episodes (for not being a light that flashes like others)
Simple fashions ... are stupid that cost me 20 years of miserable life living with fluorescent lights suffering from Irlen's Syndrome.
Most of the streets where LEDs were installed here in Vigo are in semi-darkness. It's a shame. And let's not talk about those that are seen on interurban roads. They annoy more than they illuminate.
I think this article is from an interested party.
In our city Vigo (Pontevedra), everything is led.
It is also one of the few cities with many slopes that has elevators and mechanical ramps that work with renewable energy. And the mayor travels by electric car.