The Energy Challenge. Wind Power - January 19, 2008

The wind turbines that recently went up on Louis Brooks’s ranch are twice as high as the Statue of Liberty, with blades that span as wide as the wingspan of a jumbo jet. More important from his point of view, he is paid $500 a month apiece to permit 78 of them on his land, with 76 more on the way.

Texas, once the oil capital of North America, is rapidly turning into the capital of wind power. After breakneck growth the last three years, Texas has reached the point that more than 3 percent of its electricity, enough to supply power to one million homes, comes from wind turbines.

Texans are even turning tapped-out oil fields into wind farms, and no less an oilman than Boone Pickens is getting into alternative energy.

Wind turbines were once a marginal form of electrical generation. But amid rising concern about greenhouse gases from coal-burning power plants, wind power is booming. Installed wind capacity in the United States grew 45 percent last year, albeit from a small base, and a comparable increase is expected this year.

At growth rates like that, experts said, wind power could eventually make an important contribution to the nation’s electrical supply. It already supplies about 1 percent of American electricity, powering the equivalent of 4.5 million homes. Environmental advocates contend it could eventually hit 20 percent, as has already happened in Denmark. Energy consultants say that 5 to 7 percent is a more realistic goal in this country.

The United States recently overtook Spain as the world’s second-largest wind power market, after Germany, with $9 billion invested last year. A recent study by Emerging Energy Research, a consulting firm in Cambridge, Mass., projected $65 billion in investment from 2007 to 2015.

Despite the attraction of wind as a nearly pollution-free power source, it does have limitations. Though the gap is closing, electricity from wind remains costlier than that generated from fossil fuels. Moreover, wind power is intermittent and unpredictable, and the hottest days, when electricity is needed most, are usually not windy.

The turbines are getting bigger and their blades can kill birds and bats. Aesthetic and wildlife issues have led to opposition emerging around the country, particularly in coastal areas like Cape Cod. Some opposition in Texas has cropped up as well, including lawsuits to halt wind farms that were thought to be eyesores or harmful to wetlands.

But the opposition has been limited, and has done little to slow the rapid growth of wind power in Texas. Some Texans see the sleek new turbines as a welcome change in the landscape.

Texas surpassed California as the top wind farm state in 2006. In January alone, new wind farms representing $700 million of investment went into operation in Texas, supplying power sufficient for 100,000 homes.

Supporters say Texas is ideal for wind-power development, not just because it is windy. It also has sparsely populated land for wind farms, fast-growing cities and a friendly regulatory environment for developers.

“Texas could be a model for the entire nation,” said Patrick Woodson, a senior development executive with E.On, a German utility operating here.

The quaint windmills of old have been replaced by turbines that stand as high as 20-story buildings, each capable of generating electricity for small communities. Powerful turbines are able to capture power even when the wind is relatively weak, and they help to lower the cost per kilowatt hour.

Much of the boom in the United States is being driven by foreign power companies with experience developing wind projects, including Iberdrola of Spain, Energias de Portugal and Windkraft Nord of Germany. Foreign companies own two-thirds of the wind projects under construction in Texas.

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