Solar energy is one of the best renewable sources of energy which if well harnessed could greatly reduce the over reliance on hydro-power which currently feeds 60 per cent of Kenya’s power. The fact that solar power is green energy and is much affordable in terms of maintenance as compared to others, is now turning many to this source of power. Solar power is no longer for the areas with power deficiency but the key to energy saving, a solution to all those wanting to cut their energy bills even as they go green.
Estates and business houses in the city are turning to solar lighting which is gaining a lot of popularity in the country. The solar energy is being used for street lighting in the estates while upcoming business buildings are being built in a way that no lighting is needed during the day.
The initial cost of setting up the solar powering street lighting system is quite high but it removes the monthly burden of paying the electricity bill. Each installment cost’s Sh190, 000 which includes a pole lamp, battery charger and a solar panel.
The street lights have an adjustable lamp that can be mounted on a pole measuring 10m high. The lamp, with a full life of 50,000 hour- has an adjustable mounting frame for the solar panel. It is automatically adjusted to switch on when its dusk and off on sunrise. One can also change its timing to suit their preferences.
The solar bulbs used in the lamps require less energy compared to the electric bulbs. The poles are different from the usual ones since it includes a solar panel on top and a box containing the rechargeable battery below the bulb.
The unit comes with a digital micro-controller- designed for easy servicing and maintenance-that allows automatic regulation of the battery charging and load control. It also eliminates expensive mains cable installation costs and increases public safety and aids in providing a safe working environment in areas where mains power is difficult to access.
Other tasks where solar power other than lighting include cooking, heating water and charging batteries. Some other solar powered lightings we expect in the future include solar flood lights, solar post lights, garden lights, driveway, and wall mount solar lights.
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