solar thermal power plant Articles
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Solar thermal power plants for the Spanish electricity market
Solar thermal power plants are at present the cheapest technology for solar electricity production. At good sites Levelised Electricity Costs (LEC) of 11 Ct/kWh have been achieved in commercially operated power plants. Economy of scale and further technical improvements will reduce the LEC for future projects. On the 27th of March 2004 in Spain the existing feed-in-law has been modified in order ...
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Solar Thermal Power Plants
THE BENEFITS OF SOLAR THERMAL POWER PLANTS Solar thermal energy production requires two main things: sunlight and equipment to capture, store and disperse the energy. Only two types of solar thermal systems exist. They are the passive systems, which do not require equipment (such as the heat build-up in your car whenever you park it in the sun), and active systems which require a method to ...
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A solar thermal power system in the city of Thessalonica with the use of the Pinch method for entropy minimisation
The objective of this paper is to create a small power plant, (producing 2 MW annually), which will be using solar energy as a driving fuel. The system is made up of three sub-systems: a set of Solar Collectors (SCS), a Rankine power cycle and a Heat Exchanger Network (HEN). Two cases with variations in the operation of the solar collectors and the heat exchanger network will be examined. The ...
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Solarthermal parabolic trough power plants with integrated storage capacity
Parabolic trough power plants use concentrated direct insulation for steam generation in a Rankine cycle. The fundamentals for direct steam generation in parabolic troughs have been developed in recent years, the feasibility was successfully demonstrated at a solar powered test facility reaching steam temperatures of 400°C at a maximum pressure of 100 bar. Important components for the accelerated ...
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Determining performance characteristics crucial for CSP
Why is the performance testing of newly developed plants important for the future of large scale projects in the US? As the development of large-scale CSP projects begins in the United States, the ability to accurately determine the performance characteristics in the efficiency, heat losses and overall power output of plants under operation is essential for generating widespread confidence in ...
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Determining performance characteristics crucial for CSP
As the development of large-scale CSP projects begins in the United States, the ability to accurately determine the performance characteristics in the efficiency, heat losses and overall power output of plants under operation is essential for generating widespread confidence in CSP technologies. After more than 10 years in hibernation, parabolic trough technology has been revived again with ...
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New energy economy emerging in the United States
As fossil fuel prices rise, as oil insecurity deepens, and as concerns about climate change cast a shadow over the future of coal, a new energy economy is emerging in the United States. The old energy economy, fueled by oil, coal, and natural gas, is being replaced by one powered by wind, solar, and geothermal energy. The transition is moving at a pace and on a scale that we could not have ...
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Create new jobs & cut emissions by investing in renewable energy efficiency
At a time when major US companies are announcing job layoffs almost daily, the renewable energy industry is hiring new workers every day to build wind farms, install rooftop solar arrays, and build solar thermal and geothermal power plants. The output of industrial firms that manufacture the equipment for these energy facilities is expanding by well over 30 percent a year. These investments both ...
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Charting economic climate
The economic climate affects our day-to-day lives. Work activities are intricately interconnected with social well-being which in turn effects family harmony and trickles on down to impact personal wherewithal. Still, 'climate' is what it is. There is nothing any of us alone can do about it. At the same time, however, how we think about it tends to shift the reality we experience day to day. ...
By Special-Lite
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Solar thermal power coming to a boil
After emerging in 2006 from 15 years of hibernation, the solar thermal power industry experienced a surge in 2007, with 100 megawatts of new capacity coming online worldwide. During the 1990s, cheap fossil fuels, combined with a loss of state and federal incentives, put a damper on solar thermal power development. However, recent increases in energy prices, escalating concerns about global ...
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Economics of tiny thermal power plants
Thermal power plants is the main source of energy and electricity in India and almost all countries of the world. Most of the giant thermal power plants have capacity of 500MW to 1000 MW. Investment in such giant thermal power plants is Rs 100 million per MW including transmission lines and distribution lines. ( 60 rupees = 1 US$, MW=1000KW). So 1000MW thermal power plant costs Rs 100 million/MW ...
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U.S. headed for massive decline in carbon emissions*
For years now, many members of Congress have insisted that cutting carbon emissions was difficult, if not impossible. It is not. During the two years since 2007, carbon emissions have dropped 9 percent. While part of this drop is from the recession, part of it is also from efficiency gains and from replacing coal with natural gas, wind, solar, and geothermal energy. The United States has ended ...
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Coal-fired power on the way out?
The past two years have witnessed the emergence of a powerful movement opposing the construction of new coal-fired power plants in the United States. Initially led by environmental groups, both national and local, it has since been joined by prominent national political leaders and many state governors. The principal reason for opposing coal plants is that they are changing the earth’s climate. ...
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Morocco leans on Renewable Energy
Morocco has no gas or oil gas resources on its territory. Therefore, the realm has to import about 90% of its electricity, totaling about one quarter of its overall importation. Buying energy from oversea is a huge investment for the country and Morocco is now turning to renewable energy to become self-sufficient in terms of energy. The country will soon produce its own energy, mainly through ...
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Could food shortages bring down civilization?
“In early 2008, Saudi Arabia announced that, after being self-sufficient in wheat for over 20 years, the non-replenishable aquifer it had been pumping for irrigation was largely depleted,” writes Lester R. Brown in his new book, Plan B 4.0: Mobilizing to Save Civilization (W.W. Norton & Company). “In response, officials said they would reduce their wheat harvest by one eighth each year ...
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The flawed economics of nuclear power
Over the last few years the nuclear industry has used concerns about climate change to argue for a nuclear revival. Although industry representatives may have convinced some political leaders that this is a good idea, there is little evidence of private capital investing in nuclear plants in competitive electricity markets. The reason is simple: nuclear power is uneconomical. In an excellent ...
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What is the difference between photovoltaic power station and solar thermal power station?
Solar thermal power is a technology that converts light energy into heat energy and then generates electricity by doing work through a conventional thermal cycle.Solar thermal power is a technology that converts light energy into heat energy and then generates electricity by doing work through a conventional thermal cycle.Solar thermal power produces the same alternating current as conventional ...
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Saving Renewable Energy for a Rainy Day
Despite advances in renewable energy technologies, one of the largest hurdles in their widespread adoption has been their intermittent reliability. Energy is only useful if it is available as the grid demands it, which is why concerns about carbon emissions are overridden in favor of the more dependable oil, coal and gas for baseload power. In order for renewable sources such as wind and solar ...
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