Each solar array is capable of producing 42 million kilowatt hours (kWh) of electricity annually.
From January to September, the China State Grid purchased 2.48 billion kilowatt hours of photovoltaic power, up 537% from the previous year.
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As of now, most residential and commercial customers still pay their electric utility a flat rate multiplied by the kilowatt hours they use.
"If you manage to keep the electricity usage to 300 kilowatt hours each month, Tepco's price hike wouldn't affect you too much, " she explains.
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Total use per employee ranged from 200 to 500 kilowatt hours.
Because the kilowatt-hours used by cars ultimately come from some carbon-based source (power plant or otherwise), the calculation converts kilowatt-hours to equivalent gallons of gasoline consumed.
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This translates into growth of natural gas use for electricity generation from around 880 billion kilowatt hours in 2008 to around 1100 billion kilowatt hours by 2035.
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This savings will come through a reduction of 5.2 million kilowatt hours of energy use annually, which is the equivalent of preventing 3, 700 metric tons of carbon emissions.
Your annual consumption of electricity will increase by about 2, 000 kilowatt hours in the course of the 1990s -- a bit more than it increased in the 1980s.
Weighing 205 pounds, the unit comes with a five-year warranty and is capable of producing up to 400 kilowatt hours of clean electricity per month (based on prelim data).
The calculation is based on annual air-conditioning use of 1, 622 kilowatt-hours of electricity, reasonable in hot places like Texas but not in the Midwest, where the average home uses fewer than 1, 000 kilowatt-hours.
There was a heavy emphasis on numbers, describing a wide range of subject matter enemy attacks carried out, development projects completed, kilowatt hours of electricity generated, barrels of oil exported, palm trees sprayed against disease, chicken embryos imported.
To boost its green credentials, the designers have incorporated 160 square meters of solar panels on the roof, as well as wind generators that can produce 28-30 kilowatt hours of power (kwh) -- the average daily consumption of a family household.
Or consider how much easier it got to earn the money for a half-gallon of milk (56 minutes in 1900, down to 31 minutes in 1930) or 100 kilowatt hours of electricity (107 hours in 1900, but only 11 hours in 1930).
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And, notes Mr McGowin, in many places it tends to blow when demand is low, such as in the middle of the day, and dies down in the evening, when Americans watch television (400 kilowatt hours per year) and run dishwashers (1, 570).
As a result, the German power generators' association, the BDEW, says gas-fired electricity output in Germany fell last year by 13bn kilowatt hours, or 16 per cent, while coal-fired plants upped output by the same amount, recording a 5 per cent increase to 275.8bn kWh.
And for the press, if you weren't able to hear, this board testifies to the number of kilowatt hours that have been saved, the amount of money that's gone back into consumers' pockets, and the amount of carbon that has been taken out of the atmosphere as a consequence of the great work that these people at OPOWER are doing.
The proposed cable would be capable of exporting around five terawatt-hours (or five billion kilowatt-hours) each year, which is enough to power around 1.25 million European households.
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The battery can be fully charged by a 7-kilowatt fast charger in four hours, or a 3-kilowatt charger in 10 hours.
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It produces more juice (5 billion kilowatt-hours per year) than a typical coal-fired plant.
In the next decade, growth in electricity demand will add 5, 000 billion kilowatt-hours to annual consumption.
The average annual electricity consumption for a U.S. residential utility customer is about 11, 000 kilowatt-hours.
It will store 16 kilowatt-hours of electricity--enough to travel 40 miles without assistance from the gas engine.
In liquid form, butane has an energy density of 7.4 kilowatt-hours per liter.
The result was the use of 58.6 kilowatt-hours of electricity, plus 2.36 gallons of gas equivalent to 72.9 mpg.
In 2007, U.S. nuclear reactors operated at record capacity of 91.8% and generated a record 806.5 billion kilowatt-hours of electricity.
Then it changed the rules flat rate for usage below 200 kilowatt-hours a month and metered rates above that.
Store enough kilowatt-hours for 40 miles in a battery (the Volt's planned range) and you capture daily driving for most people.
Or they may increase the efficiency of the grid by consuming off-peak load and pushing more kilowatt-hours over the same infrastructure.
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Donald Markeley, Southeast's chief operating officer, plans to sell 165 million kilowatt-hours a year of electric output at maybe 8 cents apiece.
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