Positive Environment News

Antarctic Wind Farm Reduces Bases' Reliance On Diesel

Date: 03-May-10
Author: Adrian Bathgate

The world's southernmost wind farm has been opened in Antarctica, the first in what could be a number of renewable energy projects aimed to lower the frozen continent's reliance on diesel for power.

The construction of the three-turbine Ross Island wind farm was a huge challenge in an environment where the temperature can fall as low as -57 degrees Celsius.

The wind farm will supply about 11 percent of the power to New Zealand's Scott Base and the American McMurdo Station, and will cut diesel consumption by about 463,000 liters per year.

If the wind farm proves a success it could be followed by others, with solar generation also being evaluated for potential use, said Scott Bennett, project manager with Meridian Energy, the state-owned New Zealand power company which built and runs the turbines.

"The philosophy is to get this one up and running, get it operating for a year and it can show us the way forward," Bennett said.

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There are enough potentially suitable sites around Scott Base and McMurdo Station to power up to 50 percent of the combined bases' energy needs.

With only one supply ship a year, the project required meticulous planning to ensure all the required parts were packed into the limited space. "Everything had to be planned right down to the last nut and bolt," Bennett said.

Construction of the 37-meter high (121 feet) turbines took two years, partly because the window where the weather is mild enough to permit work is between November and February. The NZ$10 million ($7.4 million) cost was met mostly by the New Zealand government.

Ross Island is not the first wind farm to be built in Antarctica, with Australia's Mawson Station running two turbines.

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