London Array - paving the way for efficient offshore wind energy farms

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London Array

World-renowned as the single largest operational offshore wind farm in the world, the London Array officially opened in July, 2013. It was founded and run by three energy companies: E.ON, DONG Energy, and Masdar. Featuring 175 wind turbines, the facility produces 630 megawatts of electricity, powering half a million UK homes every year, which works out to two-thirds of the homes in Kent. The London Array also reduces harmful carbon dioxide emissions by over 900,000 tons annually.

Lauded as an environmentally friendly, cost-effective source of reliable energy for southeast England, the project received its initial green light in 2003 when London Array Ltd obtained a 50-year lease for the 100 km2 location situated an expansive 20 km offshore. A few years later, the onshore site for the now Cleve Hill substation was approved as well.

Onshore construction commenced in 2009 and offshore construction began in 2011, with London Array installing the first above-water wind turbine in January 2012 after spending a year creating the foundation for the project. Impressively, the organization completed the installation of the additional turbines by the end of the same year.

For a wind farm, it is imperative that the site chosen receives plenty of high winds, yet during the over two-year-long offshore construction project, those same attributes proved to be dangerous and unpredictable. The team of 1,000 workers persevered, and secured the wind turbines to the sea floor, constructed substations to increase electricity voltage and ran 450 km of cabling between the turbines and the two offshore substations, and from the offshore substations to the onshore site.

The onshore substation, known as the Cleve Hill substation, sits just one kilometre from north Kent and features a unique design that hints at the site’s and project’s diligence towards environmental protection, with buildings designed to blend nearly-seamlessly with the hillside, courtesy of the RMJM architecture firm. The Cleve Hill substation connects directly to the national electricity grid, where it powers over 500,000 homes every year.


Prime Minister David Cameron officially opened the facility in July 2013 and the London Array has been proving its exceptional worth ever since. A prime example of the level of success possible when forward thinking engineers are backed by years of research, thought and attention to detail, the London Array is a beacon for the renewable energy movement.

Green Urban Planning

Today, green urban planning is more important than ever. We provide facts about 8 cities that are focused on utilizing various approaches to sustainable development. You can also find out about many sources of 

renewable energy on Green City Times

City planning committees around the globe are becoming more focused on the importance of using sources of renewable energy, rather than fossil fuels and other finite resources. Our goal is to teach our readers about eight of the greenest cities in the world. As you peruse this site, you will gain insight into the worlds of renewable energy, urban planning, green building and sustainable mass transit. For instance, you will learn about an example of a bus system, located in Curitiba, Brazil, that serves as a standard of efficiency for other metropolises throughout the world...


Sustainability Trends

Ideas for a Greener Home

  • Reduce, reuse, recycle
  • Use eco-friendly cleaning supplies
  • Favor cloth over paper products
  • Chlorine-free baby diapers/ wipes
  • Choose natural lawn care - stop using pesticides and synthetic fertilizers
  • Use biodegradable detergent and oxygen bleach
  • For clean, safe drinking water without all of the waste - use a water filter and a reusable bottle
  • Install low-flow toilets

Energy Saving Ideas

  • Use CFL or LED light bulbs
  • Use Energy Star labeled equipment
  • Turn off all home and office equipment when not in use
  • Turn off lights when not in use
  • Turn down the thermostat - lowering it by just one degree can reduce heating energy costs significantly
  • Avoid phantom loads (electrical equipment that still uses energy even after turned off) by using a power strip
  • Reduce your water heater temperature from 140 degrees to 120 degrees
  • Install double pane windows