Renewable energy Meriliin Lend Estonian University of Life Sciences Tartu 2013 Topics Renewable energy Solar energy Wind energy Hydroelectric power Geothermal energy Biomass energy Renewable energy Renewable energy comes from sources that naturally renew, or will not run out in our lifetimes. Includes sunlight, wind, water, geothermal heat and various forms of biomass. Renewable energy cannot be exhausted and is constantly renewed. Does not harm the environment. Saves money. Solar energy Solar energy is the technology used to harness the sun's energy and make it useable. Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy use has surged at about 20 percent a year over the past 15 years, thanks to rapidly falling prices and gains in efficiency
....40 12.1 Nuclear fuel uranium............................................................................................. 40 12.2 Nuclear power plants generate electricity.................................................................41 12.3 Types of reactors.......................................................................................................41 12.4 Nuclear power and the environment.........................................................................42 GEOTHERMAL ENERGY.............................................................................................. 42 13.1 Energy inside the earth............................................................................................. 43 13.2 Where is geothermal energy found?.........................................................................43 13.3 Uses of geothermal energy....................................................................................... 44 13
........................................9 2.1.4. Benefits of wind energy................................................................................10 2.2. Solar Energy........................................................................................................11 2.2.1 Development, deployment and economics................................................12 2.3. Hydroenergy.......................................................................................................13 2.4. Geothermal Energy............................................................................................14 2.5. Biomass Energy....................................................................................................16 3. Conclusion............................................................................................................ ....18 4. Sources............................................................................................................... .......19
and about 1/6 the cost of natural gas. Biofuels · Using natural I Love you Plants materials to turn into fuel or forms of combustible energy. · Which is mostly plants and plant products Cost Efficient? · A study done by OSU So much for the love.... · Going to biofuels would be like adding a new gas tax. About 25 cents. · And it is not proven to reduce green house gases and may even produce more of them. Geothermal Energy -By using heat from the earth's crust in forms of hot water and steam to power generators for electricity The Math? · Geothermal Energy systems are expensive to put in. · But they are able to pay themselves off in 5 to 10 yrs. · Is able to cut the energy bills by 30 to 40%. Overall Good Bad (technology not there yet) · Hydropower · Solar · Geothermal · Wind · biofuels Germany and
Energia tootmine Maasse puuritakse sügavad augud, kuhu asetatakse torud Mööda torusid hakkab vesi ringlema Kuum vesi jõuab maapinnale, paneb turbiinid pöörlema Keskkonnaprobleemid Eelised: -mõju keskkonnale väike -geotermaalelektrijaamad ei saasta õhku -pidevalt kättesaadav Probleemid: -soodustab kliima soojenemist ja happevihmade teket -mürgised kemikaalid -maapinna stabiilsuse mõjutamine Kasutatud materjalid https://www.esi-africa.com/geothermal-activity-picks-pace-zambia/ http://www.novaator.ee/ET/energia/kuhu_jaab_geotermiline_energia/ http://www.havantfoe.org.uk/wp-content/uploads/Geothermal.jpg https://vara.e-koolikott.ee/taxonomy/term/4036
S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. Yellowstone was the first national park in the world, and is known for its wildlife and its many geothermal features, especially Old Faithful Geyser, one of the most popular features in the park. It has many types of ecosystems, but the subalpine forest is dominant.
and think. We also use energy to do work and to play. Humans have invented thousands of machines and appliances that use energy to make our work easier, to heat our homes, and to get ourselves from place to place. Some of these machines use electricity, while others, like automobiles, use the energy stored in substances such as gasoline. Renewable energy is energy generated from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable. Renewable energy uses natural resources that can be replaced or "renewed" without harming the environment and does not contribute to the greenhouse effect and global warming. Non-renewable energy Non-renewable energy comes from sources that can't be replenished in a short period of time. We get most of our energy from nonrenewable energy sources, which include fossil fuels such as oil, natural gas, coal and from nuclear energy
Fourth level Fifth level *Olemus Plussid Miinused Praktiliselt piiramatu Efektiivsed vaid vähesed ressurss kohad maailmas Odav(elekter kui ka hooldus) Ehitada kallis Mõju keskkonnale Ohtlik süsteem(kõrge rõhk minimaalne jms) Installed geothermal electric capacity percentage Capacity (MW) Capacity (MW) Country of national 2007[6] 2010[28] production USA 2687 3086 0.3% Philippines 1969.7 1904 27%
Elektrijaamades kasutatakse erinevaid kütuseid tekitada kivisüsi, gaasi, diislit. Söeküttega soojuselektrijaamad: • Jaam Bukit Asam, asukoht Tanjung Enim, Sumatra • Jaam Paiton (PLN), asukoht Paiton, Java-Bali • Jaam Ombilin, asukoht Ombilin, Sumatra Gaasi või vedelkütuse alusel: • Jaam Grati CCGT, asukoht Grati, Java-Bali • Jaam Muara Tawar CCGT, asukoht Tarumajaya, Java-Bali Geotermiline elektrijaam: • Jaam Kamojang geothermal, asukoht Kamojang, Java-Bali • Jaam Gunung Salak geothermal, asukoht Parung Kuda, Java-Bali Hüdroelektrijaam: • Jaam Agam hydro, asukoht Batang Agam, Sumatra • Jaam Singkarak hydro, asukoht Singkarak, Sumatra Hüdroelektriline pumbajaam: • Jaam Upper Cisokan pumped storage hydro , asukoht Cianjur Cisokan river and Cirumamis river, Java-Bali ' • Jaam Matenggeng pumped storage hydro, asukoht Majenang Cijolang river
These resources are also used in industry. We get natural resources from the environment. Many of them are essential for our survival while others are used for satisfying our wants. Renewable resources: Some natural resources can be reproduced within a few years or decades. These are called renewable resources. Solar radiation, wind and hydroelectricity, are perpetual resources that are in no danger of a lack of long-term availability. Some natural renewable resources such as geothermal power, fresh water, timber, and biomass must be carefully managed to avoid exceeding the worlds capability to displace them. Solar energy is the energy derived directly from the Sun. Along with nuclear energy, it is the most important source of energy on Earth. People usually use solar energy to produce electricity and heat. Wind power is the conversion of wind energy into a useful form of energy, such as electricity, using wind turbines
in the world, Yellowstone, was signed into law in 1872. It is known for it’s wildlife and geothermal features, especially geysers. 15.2.15 Form 8, Greta-Maria Kivi, 8 National Parks of USA History of the National Park Service Agency of the United States federal government, manages all U.S. national parks
Fifth level Vágr Atfer "Oyster" Click to edit Master text styles Second level Third level Fourth level Fifth level Prediction Cost to consumer Now: 1550c 2050: 7c Role in global power supply Now: <0.01% 2050: >15% Geothermal energy How it works? average 1km 35o C Pipes would go down up to 6 km Heated water > heats organic substance >steam >starts turbines Where can be applied? Where heated layers are nearer to surface Where can be seen? Largest north from San Fransisco in Mayacama mountains Disadvantages Looking for suitable sites is expensive, dangerous Prediction Cost to consumer Now: 320c Future: >5c Role in global power supply Now: 0.3% 2050: >2%
legislation into law after passage by Parliament. The Governor-General chairs the Executive Council, which is a formal committee consisting of all ministers of the Crown. Members of the Executive Council are required to be Members of Parliament, and most are also in Cabinet. Energy In 2008, oil, gas and coal generated approximately sixty-nine percent of New Zealand's gross energy supply and thirty-one per cent was generated from renewable energy, primarily hydroelectric power and geothermal power. Agriculture Agriculture has been and continues to be the main export industry in New Zealand. In the year to June 2009, dairy products accounted for 21% ($9.1 billion) of total merchandise exports,and the largest company of the country,Fonterra, a dairy cooperative, controls almost one-third of the international dairy trade. Other agricultural items were meat 13.2%, wool 6.3%, fruit 3.5% and fishing 3.3%. New Zealand also has a thriving wine industry, which had
http://www.eia.doe.gov/emeu/cabs/Italy/Background.html 20. märts 2006 Italy Energy Data, Statistics and Analysis - Oil, Gas, Electricity, Coal http://www.eia.doe.gov/emeu/cabs/Italy/Oil.html 20. märts 2006 Italy Energy Data, Statistics and Analysis - Oil, Gas, Electricity, Coal http://www.eia.doe.gov/emeu/cabs/Italy/NaturalGas.html 20. märts 2006 Italy Energy Data, Statistics and Analysis - Oil, Gas, Electricity, Coal http://www.eia.doe.gov/emeu/cabs/Italy/Coal.html 20. märts 2006 Geothermal Energy http://www.eia.doe.gov/kids/energyfacts/sources/renewable/geothermal.html 20. märts 2006 ITPROD.pdf (application/pdf Object) http://www.iea.org/dbtw-wpd/Textbase/stats/pdf_graphs/ITPROD.pdf 20. märts 2006 ITELEC.pdf (application/pdf Object) http://www.iea.org/dbtw-wpd/Textbase/stats/pdf_graphs/ITELEC.pdf 20. märts 2006 Reformierakond http://www.reform.ee/ee/huvitavat/seisukohad/rahvastikupoliitika 21. märts 2006 FAO Forestry Department country pages http://www.fao
significant pressure on the environment. Problems are air pollutants, greenhouse gases, waste generation and pollution caused by oil. It helps to change climate, damage natural ecosystems and tehiskeskkonda and adversely affect human health. Renewable energy is the solution. This is the energy that is produced in an environmentally sustainable manner. The main sources of renewable energy are a direct solar energy, hydroenergy, wind energy, biomass, biofuel, tidal energy, and geothermal energy. This topic has been chosen because the author has an interest in renewable energy and their use. Examining the literature on the subject and the author of online sources became known, what is the situation of renewable energy in today's world. This work is to provide an overview of renewable energy, as well as to inform the need for and benefits of. The course of the work was carried out in an empirical study of attitudes to renewable energy for people.
annaabi.ee 
