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Archives by date > 2012 > January > 22nd

UK Wind Farm Interference Leads to Radar Replacement

Jan 22, 2012 16:52 UTC

TPS-77 radar

AN/TPS-77 Radar

One of the problems with wind farms is the effect of their turbine blades on air traffic control and defense radars. Wind turbine blades have extremely large radar signatures, especially when grouped in a farm, and their movement creates doppler effects. This generates massive amounts of radar “noise”, and a “shadow” region behind the wind turbines. “2D” radars that don’t use multiple vertical beams are especially prone; unfortunately, many air traffic control radars fit that profile.

Britain is especially interested in wind farm power, and this drawback posed a significant problem. They’re beginning to respond by buying new long-range radars from Lockheed Martin, for emplacement near wind farms. These moves follow a 2005 report [PDF] that concluded:

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$100M for Sunpower Electricity at NAWS China Lake, CA

Jan 22, 2012 11:59 UTC

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Latest updates: Construction underway; Further details.
Sunpower

At the end of September 2011, Sunpower Corp. in Richmond, CA, won a $100.3 million firm-fixed-price task order under a previous multiple-vendor award contract, for up to 30 years of electricity from a renewable energy generating system at Naval Air Weapons Station China Lake, CA.

Many consumers know Sunpower as one of the no money down firms that will install solar panels on your house. NAVFAC seems to be pursuing similar initiatives at Navy facilities. It’s government land, but Sunpower will build, own, and maintain the solar system under 10 U.S.C. 2922(a) authority…

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