Man has been trying to harness the power of the wind since he started living in towns and cities and became civilised. As long ago as 5000 BC wind was already being used to power ships along the Nile and a few thousand years later the Emperor of Babylon was attempting to run his palace irrigation system with it. By 600 BC the innovative Persians were employing wind power to drive rudimentary devices to pump water and grind down valuable grain.
The First Windmills
The first panemone windmills to be discovered by archaeologists date back to 500 AD and were sales arranged around a central, vertical column. They were often used more as decorative features, particularly in China and Asia, rather than as renewable power sources but by the 12th Century Europeans were beginning to build and develop mills for working grain and moving water. One of the earliest mills in the UK is found at Weedley in Yorkshire and can be dated back to 1185.
The Dutch are, of course, synonymous with windmills and by the 14th Century they were using it for large projects such as draining the Rhine delta, a testimony to man’s growing ingenuity and desire to manipulate the world around him. For the next few hundred years, windmills proliferated, many being used for farming purposes or drawing water from places like artesian wells. It wasn’t until the end of the 19th Century that scientists and inventors began to look at wind power as a possible source for electricity and the impetus for that was much closer to home, in Scotland.
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The First Renewable Wind Turbine
Professor James Blyth was a Scottish engineer who worked at Anderson’s College in the heart of Glasgow in 1887. Using accumulators developed by Frenchman Camille Faure, Blyth set up a number of wind sales in his back garden to power the lights in his cottage. At the time, after the initial success, he offered to power the surround houses but was turned down as his neighbours thought it was the Devil’s work. Blyth went on to supply the power for a local asylum but the idea of a wind turbine for electricity production did not catch on at the time.
At the same time, the Americans were developing things that were bigger – a turbine with a 50ft wingspan that turned slowly but was enough to power the lights in the inventor’s laboratory. A few years later, it fell into disuse, superseded by large power stations that could provide the electricity more cheaply.
Denmark and the Wind Turbine
Denmark owed much of the development of wind turbines for electricity production to Poul la Cour, a scientist who showed more vision than his American and English counterparts by transforming his initial invention into the prototype of a power station driven by the power of wind. By the turn of the century in Denmark there were over 2,000 windmills producing over 30
MW of power. This development continued well into the 20th Century whilst others were cultivating a growing dependence upon fossil fuels for their energy needs.
The Wind Turbine Turning Point
Many remote places like farms in the US did begin to use wind turbines for power in the early part of the 20thCentury, but it was still not being considered as a viable method to provide power for towns and cities across the world. The big change for wind turbine power came with the fuel crisis of the early 70s when governments were forced to consider other, more sustainable and efficient sources of energy. A lot of the development in this stage came from the US with a NASA based research program that was designed to find a utility scale energy resource. By the 1980s, governments were getting involved in trying to promote cleaner energy sources with the State of California offering tax rebates for wind power.
The 21st Century Wind Turbine
We are probably used to it now – driving along a country road and seeing a host of wind turbines turning slowly, producing valuable electricity, on large farms and hidden in the sea mist offshore. With concern rising over the development of clean energies and, just as importantly, the onus of creating energy security, wind farm development has moved on at a pace in the last 20 years, particularly in the UK.
At the beginning of 2014 there were over 5,000 wind turbines in the UK, creating more than 3,500 MW of energy, and we are currently ranked the 6th largest producer of wind power in the world. The largest wind farm in the world is located near London and provides 630 MW of power to the surrounding area. Despite the recent reduction in government green subsidies, wind turbines currently provide the most electricity out of all the renewable technologies, including solar panels.
The Future of Wind Turbines
Whilst it has its detractors, wind turbines are one of the most important sources of renewable energy being developed for our future energy needs. There are some who say that it is not efficient enough or that ugly collections of wind turbines spoil the landscape. That hasn’t stop the development work with researchers and inventors seeking out new ways to make the wind turbine more effective and to provide a greater portion of our daily energy needs.
There’s no doubt that our growing desire to produce more sustainable energy has caused a resurgence in the wind power industry. Something that remained static in its vision for much of the last century has begun to bloom again, with new ideas and innovative thinking taking the lead.
Visit our blog for an update on what the exciting future of wind power holds: The Winds of Change?
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