Browsing Tag Flowing Water

Hydropower is energy that comes from water and it can be applied in different means. It has a lot of potentials and these potentials as well as the drawbacks of its application are considered here.

Hydropower makes up at least 10% of the electricity in the United States. It makes use of flowing water in order to spin turbines and produce electricity.

Hydropower is one of the renewable energy sources that is constantly being researched and implemented in order to replace fossil fuels. These fossil fuels are in the process of depletion. It doesn’t produce carbon dioxide as you have with coal power stations. This makes it a whole lot cheaper and makes it a cheaper way to produce electricity. It is also renewable as rainwater replenishes it quite easily.

One of the most common types of hydropower facilities is the impoundment facility. A dam is built on a large river or lake in order to store its water in a reservoir. When the water is released from a reservoir it flows through tunnels and through a turbine. Since the height of the water behind these walls is very great the released water passes through the turbine with immense forces on energy. This force in turn produces electricity. Water may then travel back into the stream or river, networks of transmission lines and facilities also carry the electricity from a generator to users in a form they can use.

One dam that is an illustration of these processes is the Hoover Dam. When it was first created it produced enough electricity for the whole of Las Vegas. As Las Vegas grew in size, people sought out other energy sources for power.

The pumped storage hydro plan facility is able to store power. It easily achieves this by pumping up water from a lower reservoir to a high one during periods that low energy is required. When the needs of people increase water gets released from the upper reservoir back to the lower reservoir in other to generate electricity.

Hydroelectric plants need a lot of land in other to build a dam as well as a reservoir. These all take a lot of money, time and construction too. There are not many places hydroelectric dams can be built and most of the space has already been taken. The great thing is that once they are constructed the electricity becomes free to produce. Due to the costs of construction, the tendency is usually to put up small hydro plants which are more economical.

Hydroelectric plants which are constructed with the use of dams tend to have adverse effects on the environment. With the construction of a dam you have a blockage of the flow from the upstream to the downstream. This blockage tends to disrupt the migration pattern of fish as well. Fish can also be killed as they pass through the turbines. The advantage that hydropower has is that it possesses the ability to control energy release in order to meet ever changing demands.

The population is increasing steadily and so are the power needs of this population. Fossil fuels are constantly being used up and a certain time will come when these fuels have been completely depleted. We have to turn to renewable energy sources in order to meet our needs. Natural sources make for a natural solution. Hydroelectric plants can meet your power needs without you having to worry about depletion or pollution. It is also the most reliable source of electric power currently available. Hydroelectric energy can work and solutions are currently being proposed and researched in order to counter the damage that hydroelectric dams can do.

Renewable energy sources are a viable alternative to the global dependence on fossil fuels. This article explores the basic nature of some of these sources of renewable energy in existence today.

Most parts of the world make use of fossil fuels such as coal, natural gas and oil at the moment for all their energy needs. These sources of fuel are considered nonrenewable because the society tends to use them faster than they can be renewed.

Nonrenewable energy sources make up about 90% of the energy that is currently being used today. These sources of fuel are constantly being depleted and since they are known to have adverse effects on air quality they cause human as well as environmental problems. A greater emphasis is currently being placed on renewable energy sources in order to get energy. Most renewable energy sources that we have consist of solar, hydro, geothermal and the ocean energy sources. These sources of energy never become exhausted and they are friendly to the environment as they do not add to greenhouse effects or cause global warming.

Solar energy is one of the most readily available sources of energy. The energy of the sun has been used as a source of energy for billions of years. Prehistoric men magnified the strength of the sun in order to create fire. Nowadays you have solar panels which absorb energy in order from the sun to produce heat for cooking as well as heating and also for electrical needs. Heat absorption is stored for use later on and is an indirect conversion of such energy. Electric companies are currently trying to use photovoltaic technologies in order to convert solar energy directly into electricity.

Hydro energy tends to draw on energy that is produced by flowing water. Waves are one result of the winds interaction with the sea surface. This interaction ends up producing a transfer of energy which can then be extracted for power generation while using turbine generations. Hydropower may not be polluting but it can cause environmental harm, hydroelectric generating stations can easily change the flow of the seas and do harm to plants as well as animals.

Wind energy which is a form of kinetic energy tends to be drawn from the movement of the air. This energy has been used for centuries in order to aid sailing, grinding of grains and irrigation too. Nowadays you have wind turbines that transform energy from wind into mechanical energy or in order to charge your batteries. Wind machines or wind turbines collect kinetic energy by trapping the wind in their blades; these blades now turn an electric generator in order to produce electricity. Unfortunately on days that there is no wind, wind energy cannot be collected. Though it is a clean form of energy it has negative effects on the wild bird population and a number of people consider these giant wind turbine machines an eyesore.

Biomass energy is derived from wood, garbage, food crops, manure, grasses, plats, agricultural as well as forestry waste and residue. Biomass energy tends to come from refuse. It is not a new source of energy and it was used in wood burning centuries ago which supplied at least 90% of the energy needs at the time. When biomass is burned the result is either heat or electricity. Biomass may also be converted into methane gas which is the primary ingredient of natural gas. Natural gas makes up 3% of the energy currently being used in the United States today. Biomass can pollute the air and releases greenhouse gases but it does not pollute as much as fossil fuels.

Geothermal energy refers to the heat of the Earth. This sort of energy is drawn from hot dry rocks, magma, hot water springs and geysers. These can all be found within the Earth’s underground. Some can be found deep within the earth while others are much closer to the surface. Currently this energy can be used to heat water within swimming pools as well as spas. This energy is also used to warm up greenhouses. It may also be used to produce electricity through the use of a geothermal power plant. In such plants hot water travels through turbines which have been connected by a generator.

Ocean Energy is derived from ocean waves and the differences in temperature of the water. Wave energy is a kinetic energy that is derived from water movement. Tidal energies trap tidal waves in reservoirs located behind the dams. Ocean Thermal Energy Conversion makes use of the differences that exist in water temperature from the surface water to water depths that are further below as an energy source. In order for this to work, a temperature difference of at least 38 degrees Fahrenheit must exist.