Alternative Energy

Despite all the problems with fossil fuels, this plant is not without many other ways to produce power from what are termed 'alternative energy' sources. One of these is solar power: Solar power is driven by photovoltaic cells, and these are progressively getting less expensive and more advanced. Solar energy power can be used for electricity, heating, and making hot water plus solar energy produces no pollution, as its input comes completely from the sun's rays. Although there is still a great deal of work to be done to make this an economically viable solution for the long term. The biggest downfall to solar power is it requires clear days so methods of storing this energy need to be found to cater for this and when night falls.

In recent years there has been a great deal of interest in 'wind farms' which are being set up around the world normally through private finance. The great arrays of triple-bladed windmills are being placed all over as “wind farms” to capture the motion of the wind and use its kinetic energy for conversion to mechanical or electrical energy. We have used windmills for a number of centuries but it is only recently that they have been converted to produce electricity on an industrial scale. Modern wind turbines are simply are more advanced variations on the old theme. Just like any other methods, using the wind energy has its own hitch such as having to worry what to utilize if ever the days are calm and still. Unsurprisingly, you cannot fully depend on wind energy during these times and this is where the electric company comes into action of powering your home or office.

Another source of alternative energy that can generate an extensive amount of power is accessible in the form of hydroelectric energy. The concept of hydroelectricity is simple - using vast amounts of water and gravity to turn electricity producing turbines. Fortunately water is all around us in vast quantities so creating these plants has never been a problem generally. Having said that, building huge dams is very expensive, time consuming and there are other issues which usually make the whole process costly at the beginning. Dams are often built in order to be able to control the flow of the water sufficiently to generate the needed power. Finding a suitable location for these dams usually requires changes to the local (often a wide region) area and they often come under fire from environmentalists concerned about the impact on wildlife. If you are not trying to look after a large town or city, it probably won't be necessary to employ a large dam as other sources are available. There are other options that you may use especially if it is just to supply neighbourhoods or an individual office or home such as small run-of-river hydroelectric converters.

However, the most underused and under-rated form of energy is geo-thermal: this is the heat which is generated inside the planet beneath the crust. The transfer of heat into the water is caused by the earth's inner molten core. Power plants use a number of ways to draw this water to the surface and harness it into 'free' energy. The whole process is designed to utilise the steam that is produced once the superheated water reaches the surface. The Geysers is an example of a dry stream plant located in the region of about 100 miles north of San Francisco and perhaps the best-known of all geothermal power fields.