Winds of Change: Offshore Turbines More Powerful than First Nuclear Plant
Offshore Turbines More Powerful than First Nuclear Plant
The term “energy revolution” sounds light and airy enough, but how do human beings manage to wrest electricity from the sea? Germany’s largest offshore wind farm, a power plant surrounded by a hostile environment, produces 12 times as much energy as the world’s first nuclear power plant.
From a distance, say about three nautical miles, the future looks very simple. You stick a wind turbine up into the air, and it turns. Ralf Klooster can explain this to his five-year-old at home. The more difficult question is why Daddy has to drive to the jetty at Norddeich harbor every morning at six to make sure that those simple things out there in the water keep turning.
“It’s not as easy as you think,” says Klooster. He is a native of the East Frisia region of northwest Germany, has the physique of an Olympic rower and looks as if E.on has cast him for its advertising photos. Klooster is actually a custodian of sorts for the Alpha Ventus offshore wind farm, 45 kilometers (28 miles) from the North Sea island of Borkum. Even at high wind speeds, he is able to finish his sentences. As Klooster says, none of this is easy.
He awoke this morning at 4:45 a.m., boiled water for his tea (he uses “NaturWatt” green electricity, at 23.6 cents per kilowatt hour) and drove to the jetty to board the “Wind Force I.”
It sounds like “Air Force One,” but it’s merely the service boat for the Alpha Ventus wind farm, which consists of 12 five-megawatt towers and produces electricity for 50,000 households. It’s the largest offshore wind farm in the country. The morning greetings: “Moin!” - “Moin!”
Germany is the first highly developed, industrialized nation to decide to be dependent on renewable energy in the future. Germany is also the country where nuclear fission was discovered and the internal combustion engine was invented. By 2020 Germany, a country dotted with auto plants, chemical factories and steel mills, is to derive fully one fifth of its power from wind turbines.
The Bet Germany Cannot Afford to Lose
The goal, according to the proponents of wind energy, is to end Germany’s epochal dependence on petroleum, so that it will no longer be reliant on a country ruled by someone like Russian Prime Minister Vladimir Putin. The goal is to do nothing less than change the climate system and set the agenda for the 21st century. A bigger task is hardly imaginable. Germany has made a bet that it cannot afford to lose.
And everyone is watching. If the phase-out works in Germany, and if the Germans can at least partially replace nuclear power with wind energy, it can work in Great Britain, Chile, France and California. Germany has become a test laboratory. Meanwhile, Ralf Klooster will have his hands full until his workday ends at 6:30 p.m. “Okay, let’s get going,” he says.
A few men in overalls are standing by the boat, smoking. Others are hoisting boxes full of screws on board, “Big Bags” filled with tools, canisters of grease and lubricants, and duffel bags containing protective suits and provisions. The entire stern is filled with equipment and supplies.
Three Dutchmen, who are joining the crew for the first time, are told that if they have to vomit they should do it overboard (“the easy way”) and not into the toilet. Then a safety film is shown, in which a woman puts on a life vest to a soundtrack of club music. The Dutchmen have already dozed off.
The Wind Force I plies between the mainland and the wind farm, as long as the weather is acceptable. It’s a four-hour round trip. Helicopters are used during the winter and in bad weather. Batteries and transformers need constant maintenance, and all moveable parts on the crane and turbine have to be oiled and lubricated regularly. The switches have to be tested regularly, as do the fire protection systems, the lights, the life vests and, if there are control devices, those too. Wind is clean, but it’s also very labor-intensive.
Joselito from Manila has tied his paint-spattered overalls around his hips. He is one of the four “coaters” whose job it is to constantly paint the towers to protect against rust. He works as a painter at the Blohm + Voss shipyard in Hamburg during the winter, but now he is here. “Wind energy? Good, very good,” he says. “Good work.”