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Offshore wind power or offshore wind energy is the generation of electricity through wind farms in bodies of water, usually at sea. There are higher wind speeds offshore than on land, so offshore farms generate more electricity per amount of capacity installed. [ 1 ]
The Danish offshore wind farm Horns Rev 2 has a nameplate capacity of 209.3 MW. As of January 2017 [update] it has produced 6416 GWh since its commissioning 7 years ago, i.e. an average annual production of 875 GWh/year and a capacity factor of:
[6] [7] Wind farms sited offshore have less visual impact and have higher capacity factors, although they are generally more expensive. [2] Offshore wind power currently has a share of about 10% of new installations. [8] Wind power is one of the lowest-cost electricity sources per unit of energy produced.
It has been estimated that Japan has the potential for 144 gigawatts (GW) for onshore wind and 608 GW of offshore wind capacity. [99] As of 2023, the country had a total installed capacity of 5.2 GW. As of 2018, government targets for wind power deployment were relatively low when compared to other countries, at 1.7% of electricity production ...
The blades are usually colored white for daytime visibility by aircraft and range in length from 20 to 80 meters (66 to 262 ft). The size and height of turbines increase year by year. Offshore wind turbines are built up to 8 MW today and have a blade length up to 80 meters (260 ft).
Wind-generated electricity met nearly 4% of global electricity demand in 2015, with nearly 63 GW of new wind power capacity installed. Wind energy was the leading source of new capacity in Europe, the US and Canada, and the second largest in China. In Denmark, wind energy met more than 40% of its electricity demand while Ireland, Portugal and ...
Gulf of Maine a new host to offshore wind. The first-ever offshore wind energy auction in the Gulf of Maine Wind Energy Area is slated to open this fall, with additional lease areas proposed to be ...
There is more than 16 GW of capacity planned for the Atlantic Coast. The map at right shows leases executed by the Bureau of Ocean Energy Management for the outer continental shelf off the Massachusetts and Rhode Island coasts, the first offshore wind energy area to be opened for auction, in 2014 (lease assignments as of 2022).