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Damn things are going to be all over the panhandle soon.

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True. But they are still ugly.

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Damn things are going to be all over the panhandle soon.

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They like everything big in Texas, and wind energy is no exception. Texas has more wind generation capacity than any other state, about 9,700 megawatts. (That's nearly as much installed wind capacity as India.) Texas residential ratepayers are now paying about $4 more per month on their electric bills in order to fund some 2,300 miles of new transmission lines to carry wind-generated electricity from rural areas to the state's urban centers.

It's time for those customers to ask for a refund. The reason: When it gets hot in Texas — and it's darn hot in the Lone Star State in the summer — the state's ratepayers can't count on that wind energy. On Aug. 4, at about 5 p.m., electricity demand in Texas hit a record: 63,594 megawatts. But according to the state's grid operator, the Electric Reliability Council of Texas, the state's wind turbines provided only about 500 megawatts of power when demand was peaking and the value of electricity was at its highest.

Put another way, only about 5 percent of the state's installed wind capacity was available when Texans needed it most. Texans may brag about the size of their wind sector, but for all of that hot air, the wind business could only provide about 0.8 percent of the state's electricity needs when demand was peaking.

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An unbiased analysis of wind energy's high costs and flaccid contribution to our electricity needs is essential in this time of economic constraint. Despite the dismal economic news, despite the fact that the wind-energy sector, through the $0.022 per-kilowatt-hour production tax credit, gets subsidies of about $6.40 per million Btu of energy produced — an amount that, according to the Energy Information Administration, is about 200 times the subsidy received by the oil and gas sector — wind-energy lobbyists are calling for yet more mandates. On July 27, the American Wind Energy Association issued a press release urging a federal mandate for renewable electricity and lamenting the fact that new wind-energy installations had fallen dramatically during the second quarter compared to 2008 and 2009. The lobby group's CEO, Denise Bode, declared that the "U.S. wind industry is in distress."

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BARSTOW, Calif. — The United States military has found a new menace hiding here in the vast emptiness of the Mojave Desert in California: wind turbines.

Moving turbine blades can be indistinguishable from airplanes on many radar systems, and they can even cause blackout zones in which planes disappear from radar entirely. Clusters of wind turbines, which can reach as high as 400 feet, look very similar to storm activity on weather radar, making it harder for air traffic controllers to give accurate weather information to pilots.

Although the military says no serious incidents have yet occurred because of the interference, the wind turbines pose an unacceptable risk to training, testing and national security in certain regions, Dr. Dorothy Robyn, deputy under secretary of defense, recently told a House Armed Services subcommittee.

Because of its concerns, the Defense Department has emerged as a formidable opponent of wind projects in direct conflict with another branch of the federal government, the Energy Department, which is spending billions of dollars on wind projects as part of President Obama’s broader effort to promote renewable energy.

“I call it the train wreck of the 2000s,” said Gary Seifert, who has been studying the radar-wind energy clash at the Idaho National Laboratory, an Energy Department research facility. “The train wreck is the competing resources for two national needs: energy security and national security.”

In 2009, about 9,000 megawatts of proposed wind projects were abandoned or delayed because of radar concerns raised by the military and the Federal Aviation Administration, according to a member survey by the American Wind Energy Association. That is nearly as much as the amount of wind capacity that was actually built in the same year, the trade group says.

Collisions between the industry and the military have occurred in the Columbia River Gorge on the Oregon-Washington border and in the Great Lakes region. But the conflicts now appear to be most frequent in the Mojave, where the Air Force, Navy and Army control 20,000 square miles of airspace and associated land in California and Nevada that they use for bomb tests; low-altitude, high-speed air maneuvers; and radar testing and development.

When the developer Scott Debenham told local Navy and Air Force officials in June that he was working on plans to install a wind turbine at three industrial locations near the area overseen by the military, they expressed opposition to all of the projects, saying that even one additional turbine would interfere with critical testing of radar systems.

The military says that the thousands of existing turbines in the gusty Tehachapi Mountains, to the west of the R-2508 military complex in the Mojave Desert, have already limited its abilities to test airborne radar used for target detection in F/A-18s and other aircraft.

“We cannot test in certain directions because of the presence of wind turbines in the Tehachapi area,” said Tony Parisi, the complex’s sustainability officer. “Our concern is construction in other areas will further limit where we can do this kind of testing.”

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