Archive for renewable energy
You are browsing the archives of renewable energy.
You are browsing the archives of renewable energy.
Just six months ago our nation was in a panic over our petroleum energy sources. On a daily basis people were making choices to fill up their gas tanks or to pay a bill or buy groceries. Then another realization set in. We were running out of gas, driving from one gas station to the next just to fill up your tank.
The concept of using solar energy to power a home is not a new one. People have been trying to figure out for many years how the sun’s energy can be used in the home as useful energy to power objects. There actually are ways that this can be accomplished right now. It is possible to sustain a family on solar energy.
People are always looking for a way to cut down on their energy costs and one of the ways that some people are using to reduce the amount they pay for energy each month is by building their own wind generator. If you are able to find the right parts, and find a reliable guide to help you do the construction, then you could eliminate up to 75% of your electric bill and reduce your dependency on outside sources of energy.
Switching from electric to solar power is not as big a leap as one might think. With some careful planning and an initial financial investment, a person can run their home and business on solar power without many complications at all. There are many benefits of solar power, and if you are considering making this important switch, you should definitely give these benefits some careful thought.
The cost of solar panels per watt is a little pricey these days at $3.66 per watt. However, it is being said that this price will drop to $2.14 per watt by 2010. The thin film PV is also going to be dropping from $2.96 down to $1.81. These figures are great due to the fact that it should entice more people to install solar panels in their homes and businesses to save on electricity.
Recent research and development in production has resulted in new solar cells that are getting more and more efficient. Photovoltaic cells have been made from a single material, silicon, which achieves about 25 percent efficiency. New stacked material cells are gaining up to 40 percent or better efficiency in converting light to electrical power energy.
Maybe you have seen the little bluish or black panels on rooftops and wondered, how does a solar panel work? It is a fairly simple system, with complex parts. Briefly, the solar panels are set to capture as much natural sunlight as possible.
The use of wind energy has been around for thousands of years. Back in 5000 B.C. wind was being used for energy to for boats to go across the Nile River along with windmills in China being used in 200 B.C. to pump water. In Persia and the Middle East wind energy was being used to help with the process of grinding grain.
Creativity, as they say is the mother of invention, and when it comes to creating ways to harness wind power, the world is finding some extremely innovative methods of doing just that. It’s no secret thank man has been aware of the natural energy the wind provides for centuries, but until recently few people have given any serious thought to changing the methods that were established to generate wind power.
Literally speaking, bio-fuels are fuels that are formed when biological matter decomposes. The bio-fuels are mostly derived from plants. Bio-fuels exist in all the three states of matter: solid, liquid, and gas.