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Friday, June 26, 2015

Energy Sources in the USA

Different Energy Sources in USA

Electricity is something that would be hard to imagine living without. It can easily be taken for granted, not knowing how exactly it is made. The truth is that power can be generated from many different sources. Many people are looking for more alternative, renewable resources to produce power. According to the Alternative Energy

Institute (AEI), after years of experiments and research, thousands of scientists have discovered new ways to produce power.

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Nuclear Power
- According to Nuclearnow.org, the use of nuclear power in place of other energy sources helps to keep the air clean, preserve the Earth's climate, avoid ground-level ozone formation and prevent acid rain. Nuclear power operates under technology that removes usable energy from charged atoms. Nuclear power is widely relied on across the world as a source of electricity.
Solar Power
- Solar power uses energy from the sun to create electricity. According to AEI, an average home has more than enough roof area to produce enough solar electricity to supply all of its power needs. Direct current power is converted from the solar cells to alternating current, which is what most home appliances run on, allowing a household to potentially be fully operational on solar power. Solar panels harness and store energy from the sun until it is needed for use. The most popular aspect of this source of energy is that it is completely renewable and entirely environmentally safe.
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Wind Power
- Windmills have been used for thousands of years. However, it was only in the last decade that interest was focused on mass production of wind powered energy. The AEI explains that wind energy is cheaper than any other new electric generation except natural gas. However, because the cost of production of wind power is so cheap, it has become a promising resource. Although wind is a renewable resource, more research and funding is needed before energy can be mass produced from wind.
Hydroelectric Power
- Since the times of the ancient Greeks, water has been used as an energy source. Natural waterfalls are of course the more desirable sights for water power plants; however man-made dams have been just as successful at producing power. According to AEI, a dam's gates can be opened or closed on command, depending on daily use or gradual economic growth in the community. This allows for the amount of power needed to fluctuate with the demand for that power. Hydroelectric power is the leading source of renewable energy.
Geothermal Power
- Geothermal energy is extracted from heat stored beneath the earth's surface to create electricity. Even though geothermal power is cost effective, reliable and environmentally friendly, its major disadvantage is the location power plants must be in to extract the energy. The plants must sit near tectonic plate boundaries, making their availability to mass produce energy low. However, geothermal power has the potential to help alleviate global warming if widely deployed in place of fossil fuels.

Thursday, January 24, 2013

For the USA, President Obama is expected to continue his energy policy for his next term too.

President Obama knows we can’t just drill our way to lower gas prices or a quick-fix solution to our energy needs. That’s why he and Democrats are focused on developing all of America’s natural resources—domestic oil, gas, wind, solar and biofuels—and encouraging fuel efficiency so that we can reduce our dependence on foreign oil over time.

Already, this President has led the way to:

Domestic oil production at an eight-year high, and our dependence on foreign oil at a 16-year low. In 2011, we cut net oil and petroleum imports by 1 million barrels a day.
Expanded domestic oil production by speeding up the leasing process and improving safety measures to prevent future spills.
Nearly doubling renewable wind, solar and geothermal energy since 2008.
Agreeing with automakers to nearly double fuel efficiency standards for cars and trucks. That will help to save families more than $8,000 per vehicle at the pump and decrease our oil consumption by an estimated 2.2 million barrels a day.