The photovoltaic panels generate electricity when exposed to sunlight and are connected to the building's power supply via an inverter synchronised to the electricity main's frequency.
The first carries compressed air, water, communications and a constant supply of electricity to power lights that are intended to simulate daytime and nighttime.
Not only that, but there are millions of people on the planet living in places where the demand for vaccines is high but the supply of electricity to power refrigeration is non-existent.
In electric trains, the braking energy is converted into electricity and fed back into the overhead power supply.
More than half of the installations in the second quarter, though, were from big power plants built to supply electricity to utilities.
With Enernoc, Brewster and Healy are pioneering a business idea that may save the U.S. from wasting a lot of capital on the power plants used to supply electricity during seasonal peaks.
The real culprits are diesel burning trucks and buses (many of which are still operating at Euro III emission levels), factories, and the coal-fired power plants that will supply the electricity for the electric vehicles.
In fact, a battery system can perform more than a dozen tasks, from sending short bursts of power to stabilize the electric grid to releasing a steady supply of electricity over a longer period of time when there is a lot of demand for power.
The overall share of fossil fuels in the electricity supply has fallen with wind and solar power picking up the slack.
Afghanistan's national power company says it will cut the electricity supply to the main prison unless it pays its overdue bills in the next few weeks.
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As a result of current low natural gas prices, natural gas-fired power plant operating costs have fallen so much that they are now displacing previously lower cost coal-fired power in the dispatch order of many electricity supply regions.
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That morning in Panyu would usually have been a day off since the state power company doesn't supply the plant electricity on that day of the week.
The ammonia coolant for the power channel, one of eight used to supply electricity to the station, would likely have run out by late Friday morning had it not been shut down, NASA said.
The ammonia coolant for the power channel, one of eight used to supply electricity to the station, is likely to run out by late Friday morning and it will be shut down, NASA said.
Why did they bomb power stations that supply the Lebanese civilian population with their electricity (who for the most part are removed from Hezbollah).
The state of the power industry causes problems for the country not just because electricity is in short supply.
Among today's data-storage devices, magnetic tapes can degrade within a decade, while hard disks are expensive and need a constant supply of electricity to hold their information, creating huge need for power for the "data farms" behind cloud computing.
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Wind power is also being experimented with in a small way for power generation in northern and western China, where it could supply electricity to rural villages in windswept and increasingly arid Inner Mongolia and Gansu Province that are still not on the grid.
Many of those contracts promise to supply electricity below the cost of energy produced by natural-gas fired power plants.
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Northern Ireland Electricity said it had been left without 25% of the power it normally needed to supply demand on Thursday evening.
That amounts to enough electricity to power the city of Seattle or about 5 percent of the region's energy supply.
For instance, homes equipped with solar-power panels could feed unused electricity back into the grid, adding to the total available supply.
When a car is sitting in the garage, its fuel cells could supply the power needed to run a house--maybe even sell electricity back to the grid.
The new plant, to be constructed by France's Alstom and ready for commercial use by the winter of 2008 to 2009, will provide enough electricity for 1 million homes annually and will top up the amount of power that Centrica can supply from its own sources to 71%.
Both stations supply power to the National Grid at peak times when there is extra demand for electricity.
Northern Ireland Electricity was floated on the Stock Exchange and retained responsibility for transmission, distribution and the supply of power.
Nigerians are heavy users of fuel, not just for cars but to power generators that many households and businesses use to cope with the country's erratic electricity supply.
Just as pressing for long-suffering Iraqis, the electricity supply should begin to rise more sharply, though nearly all Baghdadis will continue to suffer power-cuts of at least four hours a day and generally more.
Because utilities and state regulators are putting a premium on solar energy when they evaluate and approve power purchase agreements even though solar electricity production typically fluctuates and makes it more difficult to balance the supply and demand in an electric grid.
According to a 2009 Energy Information Agency Report on Electricity Generation, wind power provided only 70 billion kWh of the total U.S. 3, 953 kWh supply (1.79% of generated power).
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