Technology Smooths the Way for Home Wind-Power Turbines

Wind turbines, once used primarily for farms and rural houses far from electrical service, are becoming more common in heavily populated residential areas as homeowners are attracted to ease of use, financial incentives and low environmental effects. No one tracks the number of small-scale residential wind turbines — windmills that run turbines to produce electricity — in the United States. Experts on renewable energy say a convergence of factors, political, technical and ecological, has caused a surge in the use of residential wind turbines, especially in the Northeast and California.

“Back in the early days, off-grid electrical generation was pursued mostly by hippies and rednecks, usually in isolated, rural areas,” said Joe Schwartz, editor of Home Power magazine. “Now, it’s a lot more mainstream.” “The big shift happened in the last three years,” Mr. Schwartz said, because of technology that makes it possible to feed electricity back to the grid, the commercial power system fed by large utilities. “These new systems use the utility for back up power, removing the need for big, expensive battery backup systems.”

Some of the “plug and play” systems can be plugged directly into a circuit in the home electrical panel. Homeowners can use energy from the wind turbine or the power company without taking action. Federal wind energy incentives introduced after the oil crisis of the late 1970s helped drive large-scale turbine use. But the federal government does not currently provide a tax credit for residential-scale wind energy, as it does for residential solar applications, according to the American Wind Energy Association, a trade group for wind-power developers and equipment manufacturers.

A number of states, however, have incentive programs. In New York, “we have incentive levels for different installations, but a homeowner could expect to get approximately $4,000 per electric meter for a wind turbine,” said Paul Tonko, president of the New York State Renewable Energy Development Authority, which administers the state’s renewable energy incentives. “That would cover about 30 to 40 percent of the project cost.”

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