1. Record year for offshore wind. 2013. Available from: 〈http://www.earth-policy.org/plan_b_updates/2013/update117〉.
2. Offshore wind market and economic analysis. Available from: 〈http://www1.eere.energy.gov/wind/pdfs/offshore_wind_market_and_economic_analysis_10_2013.pdf〉.
3. About Indian offshore wind installed capacity. Available from: indianpowersector.com/home/tag/off-shore/.
4. New offshore wind capacity. Available from: 〈http://www.renewableuk.com/en/renewable-energy/wind-energy/offshore-wind/〉
5. UK installed capacity, Internet. Available from: 〈https://www.gov.uk/government/policies/increasing-the-use-of-low-carbon-technologies/supporting-pages/offshore-wind〉.