Led lights latest marketing strategy is to convince people that this lights last longer and are brighter compared to yellow lights, which is true. The local electric company are giving out led lights for free, to replace the old ones, and they are also convincing the consumers that they could actually save on electricity usage if they all switch to using led lights instead of the old ones. Because more and more people are using electricity, electric companies are having a hard time meeting the consumers demand, and electric companies and spending billions for research for other alternatives thus the continued increase of electricity cost. The introduction of new gadgets and electronic devices every year greatly contribute to the rise of demand for electricity. Even a young child’s toy these days, require electricity, and young children these days are used to and would prefer toys that are electricity powered. Coal alone is already expensive, that is why the electricity that reaches the consumer is very expensive, private companies and the government are looking for alternative energy. A strong current of water like that of in a water fall can be turned into a source of electricity known as the hydro powered electricity, could also be another source. Electricity from windmills can be used and back up power for households, windmill trans forms strong winds into electricity. The solar panel is another known source of alternative energy and is most wide spread,it takes the heat of the sun and turn it into electricity, but you need a mile wide of panels to produce sufficient electricity.