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When is the next earth hour?

Earth Hour: When we stop using power for an hour, is the power we would have used still generated?

  • It just occured to me that while everyone is in love with Earth Hour, and I am aware of the symbolism behind it, there are many who claim that noticeable amounts of energy are saved ...show more

  • Answer:

    I work in a power plant. The generators can only put out what the current demand is so it can not be stored. The boilers that produce the steam take awhile to raise and lower the load. If there would be no demand suddenly the Generator will probably trip off like a circuit breaker in your home. Most generator take a few hours to get back on after they trip. They also can't take a sudden reload. So the utility will open distribution circuits and bring the load back up as the generator can take the load. Theoretically it could be a huge outage for several hours and could possibly damage the boilers or generators causing a shortage of power. This occurs sometimes during storms tornado or hurricane knocks down line that cuts the load and the unit trips out. I hope this answers your question.

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the average cities houses shutting down for a hour doesnt really effect the power supply its when the whole city shuts down

john c

Its like a huge protest to the electrical companies and as a matter of fact it is saving power because we dont use anything electrical for this hour so no co2 is emitted from our homes.

Krissie

I celebrated earth hour at 3am, when I was sleeping. It doesnt make any sense to not use power for one hour. The effects it has are next to nothing in the big picture, and it just turns out to be a huge inconvenience. Earth hour is a gimmick, like we're really going to save the earth from global warming because we stopped using power for one hour out of the 8760 that are in a year. Some people argue that the power used to generate the earth hour publicity campaign would have offset any good that this may have done. Others argue that the change is so insignificant that its barely noticable, barely a couple of percent which is indistinguishable from zero. So to anwer your question, did we save any power? For all the publicity and crap that was generated, Id be surprised if it did any good at all.

Chris C

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