solar power Articles

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Geothermal Power Approaches 12,000 Megawatts Worldwide

by Earth Policy Institute  (Aug. 27, 2014)

In 2013, world geothermal electricity-generating capacity grew 3 percent to top 11,700 megawatts across 24 countries. Although some other renewable energy technologies are seeing much faster growth—wind power has expanded 21 percent per year since 2008, for example, while solar power has grown at a blistering 53 percent annual ...

India’s Potential in Harnessing the Alternate Energy Sources

by Jay Khodiyar Machine Tools  (Sep. 1, 2014)

Long queues for gasoline, high prices and shortage of gasoline are the signs which show that how natural resources are on the verge of depletion. This shows that it is high time for us to view how to utilize natural resources. India is mainly depended on import of petroleum products for its energy requirements. It meets its requirements by ...

Welcome to Net-Zero

by ASTM International  (Aug. 29, 2014)

For most people (and for most homes) the likelihood of going through a whole year spending next to nothing on energy is a goal that seems far out of reach. In fact, it is only relatively recently that insulation technologies, coupled with cutting-edge renewable energy tools, have made the concept of a net-zero energy use home anything more than a ...

The challenge of local content examined: a Spanish solution in South Africa

by CSP Today - part of the FC Business Intelligence Ltd group  (Aug. 11, 2014)

Spanish engineering, procurement and construction companies’ long track record in the concentrated solar power (CSP) sector provides them with a distinctive advantage to develop large-scale projects around the world. In addition, it gives them a competitive edge when addressing challenges that are particular to these developments.  Our ...

Solar PV System in Tsakilero - Case Study

by C.A.S. Energy+ Ltd  (Jul. 24, 2014)

Our Results The Problem Mrs Diomidous, a Designer Engineer from Larnaca, was aware that Photovoltaic systems can be utilized to eliminate sky-high electric bills. All she needed was a thorough guidance from solar consultant experts to assist her in making the right choice according to the available budget and roof orientation. Mrs Diomidous chose ...

Boom-or-doom riddle for nuclear industry

by Climate News Network  (Jul. 26, 2014)

The headline figures for 2014 from the nuclear industry describe a worldwide boom in progress, with 73 reactors presently being built and another 481 new ones either planned or approved. The World Nuclear Association (WNA) official website paints a rosy picture of an industry expected to expand dramatically by 2030. It says that over the period ...

The Emerging Power of Microgrids

by GLOBE Foundation  (Jul. 3, 2014)

Over many decades, the centralized power grid — a one-way flow of electricity, generated by large, remote power plants and distributed over miles of transmission lines to homes and businesses — succeeded in delivering electricity across continents to billions. But in recent years the system’s shortcomings have become increasingly ...

Sunbeams from Space Mirrors in dawn-dusk Polar Orbit feeding Solar fields on the ground for Low Cost Electricity

by JX Crystals  (Jul. 15, 2014)

A Space Power Satellite capable of providing solar electric power economically for 24 hours per day has been a dream for decades. However, the SPS concept is very complex since it assumes multiple energy conversion steps and includes specially constructed ground microwave receiver stations. The 5 km by 15 km Integrated Symmetric Concentrator SPS ...

Near Term Lower Cost Solar Electric Power for US Commercial Customers

by JX Crystals  (Aug. 28, 2014)

Market Opportunities The first market for PV electric power panels was for space satellites. While the single crystal cells used in these panels made these panels very expensive, this was unimportant for that market. That market emphasized reliability, not cost. As these panels came down to earth for off-grid remote applications, again the ...

Mirrors in Space for Low-Cost Terrestrial Solar Electric Power at Night

by JX Crystals  (Aug. 28, 2014)

ABSTRACT — A constellation of 18 mirror satellites is proposed in a polar sun synchronous dawn to dusk orbit at an altitude of approximately 1000 km above the earth. Each mirror satellite contains a multitude of 2 axis tracking mirror segments that collectively direct a sun beam down at a target solar electric field site delivering a solar ...

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