U.K. wind turbines produce energy at about 21% of installed capacity under good conditions.
Today, about 80% of the installed capacity is in the hands of the government.
The country topped the 50, 000 megawatts milestone of total installed capacity earlier in 2012.
Nearly all the unused, and thus available installed capacity that could be ramped up quickly is oil-fired.
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The fastest-growing technology is grid-connected solar electric power, which saw a 53% increase in installed capacity during 2009.
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The company already ranks as the world's eighth-largest producer (in terms of installed capacity) of wind turbine generators.
Biomass plays a key role today with 7, 000 megawatts of installed capacity, says the U.S. Department of Energy.
If anything the installed capacity per capita of solar in sub-Saharan Africa continued to drop between 2010 and 2012.
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This year, there are trains galore, and installed capacity is not the problem.
On that basis the installed capacity goes down a little, and the share of the electricity market drops to 7%.
Only Morocco and Egypt had any significant installed capacity to speak of.
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In contrast to First Trust, the PowerShares fund is more weighted towards the US, which is the largest wind market by installed capacity.
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The Guanting Wind Farm in Beijing has installed capacity of 64.5 megawatts and has supplied 35 million kilowatts of electricity to Beijing so far.
For construction, gas requires about 1, 000 jobs per 1, 000 MW of installed capacity, wind requires 1, 000 jobs, coal 1, 500 jobs, and nuclear 5, 000 jobs.
With California the biggest market and New Jersey the most dynamic, solar is catching on as states like Nevada, Arizona, and Pennsylvania revamp installed capacity.
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For operations, gas requires only about 60 jobs per 1, 000 MW of installed capacity, wind requires 90 jobs, coal 220 jobs, and nuclear 500 jobs.
Worse, the wind produced only about one-fifth of its installed capacity.
Over the past three years, China has added 200 gigiwatts of coal-fired electric power capacity--equivalent to 20% of the entire installed capacity of the United States.
There is a separate ministry for nonconventional energy, which has estimated the country's capacity to generate wind power at 45 gigawatts (peak), ten times current installed capacity.
Even in the renewable energy sector, which starts from a much lower base, there has been an almost eight-fold increase in installed capacity over the past decade.
According to Pacific Hydro, wind is the world's fastest growing energy source, with installed capacity over the five years from 1998-200 growing at an average 32 percent a year.
Texas, one of the most promising wind energy states, averages about 16.8% of installed capacity, yet the Electric Reliability Council of Texas assigns a value of 10% due to unpredictability.
"The final decision for the wind farm proposal, which comprises 27 turbines with a total installed capacity of up to 81MW, rests with Scottish ministers, " it stated on its website.
Belo Monte will have the installed capacity to produce 11, 200 megawatts of electricity, while Itaipu has capacity to produce around 14, 000 megawatts and Three Gorges is around 22, 000 megawatts at full capacity.
Iberdrola's renewable energy businesses also make up about 20% of its installed capacity, but it wants to ramp up its current production of 4, 000 megawatts by renewable means to 10, 000 by 2011.
Thanks to that push, the Energy Information Administration estimated that the industry would set a record for total wind power installations in the U.S., potentially topping 12, 000 megawatts of installed capacity.
Mr Thakkar, scrutineer of the Indian water scene, says that although the installed capacity of India's hydro projects increased at a compound rate of 4.4% a year between 1991 and 2005, the amount of energy generated actually fell.
Solar energy is also increasing rapidly, going from about 12 GW of installed capacity at the end of 2012 to a goal of 35 GW by 2015 (in Q4 of 2012, a reported 33% of all PV shipments went to China, up from 10% two years prior).
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It is estimated that 30 GWh of heat storage would provide enough absorptive capacity for 5 GW of installed wind capacity.
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Wind and natural gas have comprised the preponderance of installed generation capacity in the past decade.
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