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What is a solar cell and a solar module? A solar cell, also called a photovoltaic (PV) cell, is the smallest element that converts light into electr...
The 2009 Dream Home is located in the heart of California's Wine Country, Sonoma. Sonoma is known for its indulgent spas, outdoor activities like hiki...
Many a times you must have been shocked by the electricity bill you receive. Its time you took some simple steps to reduce the electricity bills and a...
Solar radiations range in frequencies from infrared through the visible to ultraviolet frequencies. We receive light through the visible radiations an...
Rising fuel prices have lent urgency to the search for alternative electrical power sources for residential properties. Two of the most obvious soluti...
Now the world is facing a severe crisis of energy due to indiscriminate consumption of fossil fuels. This crisis requires action on many fronts. We ca...
With ever-increasing demand for energy, the world is fast approaching a severe energy crisis. We utilize energy produced by using fossil fuels like oi...
Do you intend to install a home wind energy system? If you are seriously considering home wind energy system, you must try to understand the basic iss...
What Is Wind Energy What is wind energy? Wind is simply air in motion. Sun’s rays falling on an object heat it up; land heats up faster (and...
Household windmills are becoming quite the fashion, apparently, but can they make money? Domestic wind turbines have been described as "the new handb...
The Titan Industrial Company designs, manufactures and markets industrial quality portable electric generators, trash pumps, air compressors and press...
Economical, easy-to-install recirculation systems from Metlund and Laing are smart conservation devices - and you'll never wait for hot water again!Lo...
A basic and comprehensive reference on this issue is "The Environmental Imperative for Renewable Energy: An Update," by the Renewable Energy Policy Pr...
Yes! Carbon dioxide (CO2) is the most important of the global warming pollutants which are changing our climate. According to experts, if we are to av...
Most manufacturers of utility-scale turbines offer machines in the 700-kW to 2.5-MW range. Ten 700-kW units would make a 7-MW wind plant, while 10 2.5...
The ability to generate electricity is measured in watts. Watts are very small units, so the terms kilowatt (kW, 1,000 watts), megawatt (MW, 1 million...
We look at three do it yourself solar thermal air heaters (collectors) and pick the best features from each for what we consider the idea solar air he...
The towers are mostly tubular and made of steel. The blades are made of fiberglass-reinforced polyester or wood-epoxy. How big is a wind turbine? Ut...
Most dealers offer either complete turnkey (ready-to-operate) installations or the option to purchase direct from the factory and install the system y...
Small wind turbines do make some noise, but not enough to be found objectionable by most people. A typical residential wind system makes less noise th...
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