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Solar PV and wind turbines have a capacity factor limited by the availability of their "fuel", sunshine and wind respectively. A hydroelectricity plant may have a capacity factor lower than 100% due to restriction or scarcity of water, or its output may be regulated to match the current power need, conserving its stored water for later usage.
In 2010, the US Energy Information Agency said "offshore wind power is the most expensive energy generating technology being considered for large scale deployment". [5] The 2010 state of offshore wind power presented economic challenges significantly greater than onshore systems, with prices in the range of 2.5-3.0 million Euro/MW. [36]
The following table lists these data for each country: total generation from wind in terawatt-hours, percent of that country's generation that was wind, total wind capacity in gigawatts, percent growth in wind capacity, and; the wind capacity factor for that year. Data are sourced from Ember and refer to the year 2023 unless otherwise specified ...
The capacity factor is the ratio of power actually produced divided by the nameplate capacity of the turbines. The overall average capacity factor for wind generation in the US increased from 31.7% in 2008, to 32.3% in 2013. [41]
Small-scale wind power is the name given to wind generation systems with the capacity to produce up to 50 kW of electrical power. [104] Isolated communities, that may otherwise rely on diesel generators, may use wind turbines as an alternative.
Power rating Deployment status Deployment date Wind farms Notes and references Mingyang Wind Power: MySE 22MW 22 Concept Rotor diameter of over 310 m and swept area of 75,438 m 2. [3] Mingyang Wind Power: MySE18.X-20MW 18.X to 20 MW Prototype Rotor diameter of 260-292 meters. [4] [5] [6] Dongfang Electric: DEW-18 MW-260 18 Prototype June 2024
India has the fifth largest installed wind power capacity in the world. [96] As of 31 March 2014, the installed capacity of wind power was 21136.3 MW mainly spread across Tamil Nadu state (7253 MW). [97] [98] Wind power accounts nearly 8.5% of India's total installed power generation capacity, and it generates 1.6% of the country's power.
"Cap." is the rated nameplate capacity of the wind farm "When" is the year when the windfarm was or will be commissioned and put into service. "Cost" is the total capital cost of the project up to commissioning. "Cap. Fac." is the average capacity factor, i.e. the average power generated by the windfarm, as a percentage of its nameplate capacity.