Your electric grid has only so many windmills attached, and its marginal producer is a coal-fired plant.
Areas that are predominantly coal or nuclear will be insulated from this to some extent because the grid can only handle so much demand with certain facilities shut down or retired.
Schumacher, who has started 287 grands prix since making his debut in 1991, has failed to finish on the podium since returning to the grid and only registered one top-four finish last year, at June's rain-affected Canadian Grand Prix.
World champion Hamilton, 24, struggled with understeer on a crucial sector of a flying lap in the first session of qualifying, from which five drivers are knocked out, and ended up among the last five drivers on the grid for only the second time in his career.
The National Grid for Learning was always something of a misnomer, the only "grid" involved being the public internet.
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The Texas power grid is usually only taxed in the middle of summer when air conditioners are in overdrive.
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At the same time, an electric grid runs smoothly only when there is a balance of supply and demand.
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The bad news is that, given the extensive vulnerabilities of the U.S. power grid it has only been a matter of time before someone decided to exploit them.
He said that Bogota had video recordings and the exact grid coordinates not only of the Revolutionary Armed Forces of Colombia (Farc) camps, but those of the smaller National Liberation Army (ELN).
Grid solutions can only be used in problems that can be broken up into millions of tiny parts, where tons of small computers can each chew on their own little piece of the puzzle.
If the grid stays up, they only provide peace of mind and do so at a considerable cost.
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Source: Brookings InstitutionDistributed power technologies that operate all or most of the time are more reliable and cleaner than those that operate only when the grid goes down precisely because they operate all of the time.
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Finally, both of these changes are being enabled through the integration of smart grid technology in the power transmission and distribution grid, which moves not only electrons but also information effectively through our energy networks.
Expansion of the grid, which is made up of eight fiber-linked data centers at universities and research institutions around the country, will not only make the grid mind-bogglingly fast and powerful but will also enable many more outsiders to connect to it and take advantage of its resources.
And not only controls Power-Grid the PC - it works in reverse as well.
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Specialists say out of 30 or so areas in the visual cortex, only one shows any grid-like relationship to something in the real world.
Backup generators only run when the electric grid goes down or for scheduled maintenance.
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Consumers can not only draw power from the grid, but can feed power into it as well.
Finally, some invested in grid expansion, which is incredibly expensive and only benefits the wealthiest 10-20% of people in the extension areas.
Now, if only someone could fix that dodgy power grid, a true consumer revolution could indeed be in the making.
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Seven in 10 Africans are not on the mains grid, but wires and pylons are not the only way to deliver electricity.
Only in places unconnected to an electricity grid, such as much of rural Africa and rural Asia, are solar cells truly commercially viable.
But in 2005, controversy blighted the race as a result of the Michelin tyre safety row which meant that only six cars were on the starting grid - those of Ferrari, Jordan and Minardi.
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The government had a target of adding 78.7 gigawatts of capacity to its grid in the five years ended March 31 but achieved only about 70% of the relatively modest initial target.
Going back to New Orleans for a moment, consider that after Katrina, Entergy was given hundreds of millions in tax dollars and still increased consumer energy bills as much as 10%, only to provide patches to an aging electrical grid.
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These major nodes are not only critical to the nation's power-grid and telecommunications capability, but would be extremely difficult and time consuming to rebuild or repair.
The physicist Edward Teller estimated that a constellation of satellites providing continuous atmospheric measurements over a one square kilometer grid worldwide, which is currently cost-prohibitive, would only improve long-range forecasts from the current five days to approximately 14 days.
That can happen only if the distribution system -- the national smart grid -- is not privately owned.
Olivier Jacque was leading the race on the 500cc Yamaha at the only circuit where the remaining two-strokes on the grid had a realistic chance of beating the new MotoGP four-strokes.
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