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New research blows away claims that aging wind farms are a bad investment
Date:2/20/2014

t whether wind farms are an attractive investment.

"Our study provides some certainty, helping investors to see that wind farms are an effective long-term investment and a viable way to help the UK tackle future energy challenges."

Professor Richard Green, co-author and Head of the Department of Management at Imperial College Business School, added: "There have been concerns about the costs of maintaining ageing wind farms and whether they are worth investing in. This study gives a 'thumbs up' to the technology and shows that renewable energy is an asset for the long term."

The researchers reached their conclusion using data from NASA, collected over a twenty year period, to measure the wind speed at the exact site of each onshore wind farm in the UK. They compared this with actual recorded output data from each farm and developed a formula that enabled them to calculate how wear and tear of the machinery affects the performance of the turbines. This is in contrast to the previous study, which only used the average estimates of nationwide wind speeds to determine the effects of wear and tear on wind farm infrastructure.

In the future, the team aim to study newer wind farms over a longer period to determine if advancements in turbine technology means that they are degrading less. This could help the researchers to determine more accurately how long newer wind farms will last so that they can calculate their potential long-term economic benefits.


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Contact: Maxine Myers
maxine.myers@imperial.ac.uk
44-020-759-46127
Imperial College London
Source:Eurekalert

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