Problem no. 1: Global warming

Airtricity has plans to overthrow global warming's biggest culprit - power plants - with a sea of wind turbines.

By Paul Kahihla, Business 2.0 Magazine senior writer

SAN FRANCISCO (Business 2.0 Magazine) -- The background: Carbon dioxide makes up nearly 80 percent of all greenhouse gases. More than a quarter of that CO2 comes from electrical power plants. That's why replacing plants that run on fossil fuels like coal, oil, and natural gas with renewable power sources, even nukes, has emerged as a major plank in the campaign against global warming.

The effort is heightened in Europe because the continent relies on fuel imports from Russia and the Middle East for 50 percent of its energy, and a recent projection shows that portion increasing to 70 percent by 2025.

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A needed jolt. Recent advances in high-voltage transformers - shown here in a 2 million volt test - will help wind turbines link up over long distances.

The solution: Emission-free nuclear power is enjoying a renaissance in China and India, but worries about radioactive-waste storage and terrorist attacks have kept it in check elsewhere. That's helped open the door for wind power - which is gaining momentum thanks to recent breakthroughs in turbine and transmission technology and because it's 70 percent cheaper to generate than solar power.

In May, Dublin-based Airtricity, the world's fastest-growing wind developer, announced plans for a European supergrid - a network of 2,000 offshore wind turbines in the North Atlantic.

The grid would initially supply 10,000 megawatts to 8 million homes. Ultimately, Airtricity envisions a wind grid stretching from Spain to Sweden, with an output equal to that of 30 nuclear reactors. The supergrid wouldn't eliminate the CO2 thrown off by Europe's power plants, but it would reduce it by 60 million tons per year - the equivalent of taking 15 million cars off the road.

The payoff: Founded just seven years ago, Airtricity is on track to bring in $657 million in annual revenue by 2010. The company currently operates 16 wind farms in the United States, the United Kingdom, and Ireland, and its five-year project timeline will ramp it up to a potential 7,000 megawatts in capacity, equal to the output of 14 U.S. coal plants.

If any of its grid projects get to completion, even if Airtricity is only a minority partner, Harvard Business School professor Richard Vietor says, the company will be catapulted into the ranks of the world's top green-energy players. "There's a fortune to be made here," says Airtricity CEO Eddie O'Connor. Airtricity already has a team pushing plans for an even larger supergrid of 1 million megawatts to be based across the Great Plains states.

The opportunity: Airtricity estimates that the first stage of the European super-grid will cost more than $25 billion over 10 years, and the company is currently lobbying for government approvals. But there's no shortage of opportunity for hundreds of other wind producers to start banding together, since scale is what's needed most to lift wind out of the "alternative" market.

European governments are currently discussing whether to pour additional tens of billions of dollars annually into building green-energy infrastructure. Says Bo Normark, vice president of transmission technology supplier ABB, "Whether they're Airtricity's or not, projects based on this concept will be built by someone and will likely be in operation by 2012." Top of page

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Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.