Given those challenges and costs, it is therefore necessary to drive the cost per kilowatt-hour down.
It's a 35-kilowatt-hour lithium titanate battery pack that it says is quickly rechargeable and safe.
Each solar array is capable of producing 42 million kilowatt hours (kWh) of electricity annually.
The wholesale energy market is volatile, and prices for electricity per kilowatt-hour can fluctuate daily.
SunPower plans to offer a 2.5-kilowatt system as part of its marketing campaign with Ford.
It produces more juice (5 billion kilowatt-hours per year) than a typical coal-fired plant.
Currently about 10 cents a kilowatt-hour, they are the second-highest in Asia after Japan's.
In California, the renewable certs go for between 2 and 5 cents a kilowatt hour.
In the next decade, growth in electricity demand will add 5, 000 billion kilowatt-hours to annual consumption.
That reflects the bargain wholesale prices that Vermont utilities pay Entergy: 4.2 cents a kilowatt-hour.
The average annual electricity consumption for a U.S. residential utility customer is about 11, 000 kilowatt-hours.
Such an experimental system would deliver but a kilowatt of power, as a test.
Laviziano says a commercial solar installation can produce power for 25 cents per kilowatt-hour.
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In a year, each kilowatt of solar power saves one tonne of carbon dioxide emissions.
PreussenElektra sells its power for an average 17.5 pfennig a kilowatt, against the German average of 19.
Because power companies are losing money generating each kilowatt of electricity, they have acted to minimize losses.
Assuming a 35% load factor, the turbine can produce electricity at 4 to 7 cents a kilowatt-hour.
It will store 16 kilowatt-hours of electricity--enough to travel 40 miles without assistance from the gas engine.
According to Bosch's calculations, a conventional internal-combustion-engined car can travel 1.5-2.5km on a kilowatt-hour (kWh) of energy.
We will continue to revolutionize power generation on a global scale, one kilowatt hour at a time.
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The subsidy provides an income tax credit of two cents per kilowatt hour for electricity produced by windmills.
In the right location, a 10-kilowatt turbine could supply the entire electricity needs of an average American household.
Corpus Christi had a 750 kilowatts and 1, 500 kilowatts to send, while San Antonio would contribute two 400-kilowatt generators.
Vermonters pay less for power than any other state in New England, an average of 13 cents a kilowatt-hour.
In liquid form, butane has an energy density of 7.4 kilowatt-hours per liter.
Improvements include retrofits to 1, 500 lighting fixtures, a 200-kilowatt rooftop PV array, and an overhaul of the HVAC system.
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Few people off the grid have the funds to buy the kilowatt-scale solar system commonly found on Gridder homes.
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The charge capability is 480 volt, with a maximum 90 kilowatt (kW) draw.
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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.
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