Solar Photovoltaic Energy Sun scatters upon the Earth a volume of energy higher than the global consumption of a whole year Photovoltaic solar energy is being appreciated more and more, since the environment http://www.heliodinamica.com.br/english/energ2.htm
Extractions: The Sun: a mega-powerplant right over there In only one hour the Sun scatters upon the Earth a volume of energy higher than the global consumption of a whole year. It is a free, renewable and non polluting energy. So, why not harness it ?! That's what the photovoltaic technology does! Different from the solar water heaters, currently so common, the photoelectric effect converts the energy of light provided by the Sun into electric power, to feed lamps, TVs, water pumps and desalinators, computers, refrigerators or any other electric equipment. The increasing global demand for energy and the impact of the energy policies on the community and the environment create the need to look for an energy source capable of purvey humanity in an inexhaustible way and serve as basis to a sustainable development. Photovoltaic solar energy is being appreciated more and more, since the environment problems grow worse and the raw materials begin to exhaust, the continuous exploitation of fossil and nuclear fuels becomes intolerable to sustain the "power orgy" that our society is habituated to. How it works Industrial researches in photovoltaics started back in the fifties by space scientists which were looking for an efficient way to supply energy to man made satellites placed in orbit. Since then the photovoltaic technology has been developed in a fantastic way and increases its presence in regions where the grid does not arrive or is unreliable.
Renewable Energy News The Future Of Solar Photovoltaic Energy Solar energy news and renewable energy news and information, jobs, events, business product marketplace, education, classified ads, and more The Future of solar photovoltaic energy. From the 10/13/2003 Edition From our perspective, the world's energy needs vary greatly; there is no clear single solution to the problem http://www.solaraccess.com/news/story?storyid=5287
Hawaii Solar Photovoltaic Energy (PV) Photovoltaic Energy (solar power) in Hawaii Energy Supply Solar. Solar Electric ( Photovoltaic) Energy. Fact Sheet. Energy State income tax credits for photovoltaic energy systems are up to http://www.hawaii.gov/dbedt/ert/pv_hi.html
Solar Photovoltaic Energy solar photovoltaic energy. The History of Solar Energy Photovoltaics. By John Perlin http//www.californiasolarcenter.org/history_pv.html . http://www.ecoiq.com/onlineresources/anthologies/energy/photo.html
Solar Photovoltaic Energy EcoTalk.com. EcoFootage.com. solar photovoltaic energy. Link Center Home Sustainability Land Air Water Energy Transportation http://www.ecoiq.com/onlineresources/center/energy/photovoltaic/
Extractions: The initial investment depends on the system size. A convenient factor that takes this into account is the price per peak Watt (Wp) of the system. Hence, a 2000 Watt peak (2kWp) solar energy system costing $16000 in total (i.e. including installation) will correspond to a price of $8/Wp . In some countries, you may be able to obtain a grant or rebate towards the cost of the system, which will obviously improve the economic payback on the purchase.
Extractions: ARRAY Any number of Photovoltaic modules connected together electrically to provide a single electrical output. An array is a mechanically integrated assembly of modules or panels together with support structure (including foundation and other components, as required) to form a free-standing field installed unit that produces DC power. BALANCE OF SYSTEMS (BOS) Parts or components of a photovoltaic system other than the photovoltaic array.
Hawaii Solar Photovoltaic Energy (PV) The prototypes and a minisolar vehicle demonstration were presented at the First World Conference on Photovoltaic Energy Conversion, which was held at the http://www.state.hi.us/dbedt/ert/pv_hi.html
Extractions: Financial model for project finance simulations, specially applicable to solar photovoltaic energy installations. The model has six spreadsheets: Calculation of gross margin Calculation of depreciation Calculation of debt Calculation of balance sheet, profit and loss, cash flow and ratios Summary sheet Graphic of the project showing the results If you want to download the model click here: Download model (Zip file, 26K) Home Contact
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Solar And Photovoltaic Energy Tech Home of the National Photovoltaics Program whose goal is to establish solar photovoltaic energy as a significant energy source for the United States. http://www.electronics-ee.com/Energy_and_environment/Alternative_energy/Solar_an
Photovoltaic Energy Introduction. The photovoltaic energy consists on transforming solar radiation into electricity. SourceEREF. Main advantages of the solar photovoltaic energy. http://www.appa.es/dch/fotov_en.htm
Extractions: Main advantages of the Solar Photovoltaic Energy Introduction The photovoltaic energy consists on transforming solar radiation into electricity . As the rest of renewable sources, the photovoltaic is a clean, inexhaustible, and decentralised energy source. At present, the photovoltaic energy is competitive to supply those locations placed faraway from the electricity grid . In those cases, the photovoltaic energy would supply country houses, street lighting, water pumping, emergency installations, and so on. In Spain -as in many other countries around the world-, there are still non-electrified population centres that would find in the photovoltaic energy the proper solution to their lack of energy supply . A few projects have already been carried out in Spain, and, in all of them when using this source it proved to be reliable and competitive. Thanks to the photovoltaic together with the wind energy, Spain is now well placed in the top of factoring and development ranking. This emerging industry provides with wide possibilities for the exportation market, being, in addition, a good tool for creating new jobs.
The Wonderful World Of Renewable Energy All About Renewable Energy! Renewable Energy Systems; About Wind Energy; About solar photovoltaic energy; About Solar Hot Water; About solar photovoltaic energy. http://www.wind-power.com/
Extractions: A residence built over a mile from the nearest power line to be powered by a Bergey 1.5 kw windturbine and a 4kW propane backup generator. Links to Renewable Energy Sites on the Web This site was created by Henry duPont of Offshore Services, Ltd. a Block Island, RI based company specializing in the design and installation of small - medium scale alternate energy systems. For more information contact us at firstname.lastname@example.org
Extractions: PicoTurbine Educational Windmill Kit A fully functioning, electricity-producing wind turbine! Standing only 8 inches tall, the turbine directly drives a permanent magnet brushless alternator that you build using the included parts. Was featured in Home Power Magazine . This new version now features higher voltage (up to 2.5 volts) making it able to drive an LED. A bicolor LED is included with this new version to graphically show the alternating nature of the current. This kit is has 100% of the parts you need (you supply only commonly available tools like scissors, screw driver, glue, and pliers). This kit has been built by thousands of kids worldwide for science fairs, science reports, homeschool projects, and just plain fun! Used by major universities like MIT and Caltech for summer youth programs. No other kit like it in the world. Teaches wind energy concepts. Grade 5 to adult.
INFOPOWER Torres Fernández, Director of Promotion and Development for BP Solar, provided interesting information on the advances of solar photovoltaic energy technology http://www.infopower.es/infopower64/64r_solarpag44eng.htm
Extractions: It is quite common to associate solar-powered electricity generation with photovoltaic energy and not with thermal solar energy, even though there are a good number of solar thermal plants that have been generating electricity at a reasonable cost for over fifteen years. The potential of solar thermal plants is enormous. For example, if 1% of the Sahara Dessert were covered with solar plates, they would, in theory, produce sufficient power to meet the world electricity demand. Solar thermal systems are therefore expected to make a significant contribution to the electricity supply in the future....
Powering The South : Technolgy Descriptions solar photovoltaic energy This webpage is 7 letter pages long While the amount of sunlight available for generating power varies across the South and from http://www.poweringthesouth.org/articles/static/1/1012844367_1012401156.html
Extractions: While the amount of sunlight available for generating power varies across the South and from season to season, the highest value of grid-connected solar electricity as modeled in this study comes from its ability to match summer peak loads. In many parts of the region, peak electricity demand is driven by air conditioning on hot summer days, precisely the time when solar radiation is highest. It has been shown that PVs can deliver firm, dependable power even during extreme peak conditions leading to outage situations, such as the recent power crisis in California. cxxx Since peak loads are expensive for power companies to meet, solar PV systems are sometimes attractive even in areas with below-average amounts of sunlight. This concept is expressed as the effective load-carrying capability (ELCC), which is the probability that PV can contribute to a utilityÕs capacity to meet its load. A region with comparatively low solar resources may still have a high ELCC if the utility load and solar resource are well matched. The degree of this match is related to the ratio of summer-to-winter peak loadsÑas summer loads exceed winter loads, the effective load carrying capacity of PV increases (see Figure 4.1 ). cxxxi In the Southeast, the ELCC for PV systems ranges from 50% to 70% of capacity.
Extractions: US CODE COLLECTION TITLE 42 CHAPTER 71 SUBCHAPTER III > Sec. 5581. Next Sec. 5581. - Congressional findings and declaration of policy (a) The Congress hereby finds that - the United States of America is faced with a finite and diminishing resource base of native fossil fuels, and as a consequence must develop as quickly as possible a diversified, pluralistic national energy capability and posture; the current imbalance between supply and demand for fuels and energy in the United States is likely to grow for many years; the early demonstration of the feasibility of using solar photovoltaic energy systems for the generation of electricity could help to relieve the demand on existing fuel and energy supplies; the national security and economic well-being of the United States is endangered by its dependence on imported energy supplies which are subject to resource limitations, artificial pricing mechanisms which do not accurately reflect supply and demand relationships, and supply interruptions; the early development and widespread utilization of photovoltaic energy systems could significantly expand the domestic energy resource base of the United States, thereby lessening its dependence on foreign supplies;