#UNRELIABLES Report Card : Actual Electricity Generated From Wind Farms Falls Well Short Of Claimed Output


“We get a tax credit if we build a lot of wind farms. That’s the only reason to build them. They don’t make sense without the tax credit.” – Warren Buffett

“Suggesting that renewables will let us phase rapidly off fossil fuels in the United States, China, India, or the world as a whole is almost the equivalent of believing in the Easter Bunny and Tooth Fairy.” – James Hansen (The Godfather of global warming alarmism and former NASA climate chief)

Renewable energy technologies simply won’t work; we need a fundamentally different approach.” – Top Google engineers


THE question of efficiency is critical to any informed discussion of wind energy. Wind turbines produce less energy than their “maximum capacity” rating would have us believe. Due to the fluctuation of wind currents—not exactly a novel discovery—turbines actually produce around 26.9 percent of the energy they could in theory generate. This is known as their “capacity factor.” By contrast, conventional power plants tend to have a capacity factor of 40 to 80 percent. This has one obvious ramification: Wind farms are less efficient and cost-effective than non-renewable sources of energy.

ALTHOUGH this conclusion is hardly shocking, the unpredictability of wind power presents a much more serious problem. Because wind power can never be completely reliable, we will always need other, more reliable forms of energy to serve as a backup for “wind reliant” buildings and infrastructure. (Wind Farms: Not So Green | Opinion | The Harvard Crimson)

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