By the numbers: Lifetime Performance of World’s First Offshore Wind Farm

Watts Up With That?

Decommissioning of world’s first offshore wind farm offers an opportunity to see how industry costs have changed over the past 25 years.

Guest essay by T. A. “Ike” Kiefer, CAPT, USN (ret.)

Lifetime Performance of World’s First Offshore Wind Farm

Decommissioning has started at the 26-year old Vindeby offshore project, one of the world’s first The 4.95MW Vindeby offshore project was installed in 1991 using 11 Bonus 450kW turbines. It operated 1.5-3.0km off the southern Danish coast.

The first offshore windfarm in the world has just been decommissioned and is now being torn down ( http://www.windpoweroffshore.com/article/1427436/dong-begins-vindeby-decommissioning-pictures ). Its lifetime performance specs are illuminating in comparison with recent wind industry data, and alternative generation options.

1991 Vindeby Offshore Wind Farm – Denmark

Years of Operation: 1991-2016 (25)

Capital Cost: 75M Kroner = $13M (1991USD) = $23M (2017USD)

Number of Turbines: 11 @ 450 kW

Lifetime Generation: 243 GWh

Nameplate Capacity: 4.9 MW

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