Sunlight, wind, and falling water are the big three renewable energy sources. These are energy sources that are commonly available at a reasonable cost. We’ve found in our years of experience that wind and hydro energy sources are most often best developed as a booster or bad weather helper for a solar-based system.
Hybrid systems—using wind or water combined with solar energy—have the advantage of being better able to cover power needs throughout the year, and are less expensive than a similar capacity system using only one power source. The only common exceptions are systems designed for utility intertie; they feed excess power back into the utility, and turn the meter backwards.
Excerpted from the Real Goods Solar Living Source Book, edited by Doug Pratt and executive editor John Schaeffer. Copyright (c) 1999, Real Goods. Reprinted by permsision of Chelsea Green Publishing Company and Real Goods.
Excerpted from Real Goods Solar Living Source Book, edited by Doug Pratt and executive editor John Schaeffer.
From novices to pros, this book explains renewable energy and efficient building practices. Great reference to start design and cost estimation from each section. One of the best features of this book is the addition of the National Electric Code for RE systems. It's possible to pick a building material to build a house, design a solar electric system, decide on appliances, determine the use of a greywater system, and more from 562 pages. No more looking up pages on the net!buy now
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