Five questions to ask in every climate conversation - How much power are we talking about?
3 important questions on Five questions to ask in every climate conversation - How much power are we talking about?
In some articles about electricity, you read that some new power plant will produce 500 megawatts. What is a megawatt?
- A megawatt is a million watts, and a watt is a joule per second. A watt is a bit of energy per second. A watt is small.
- For an example = a hair dryer uses 1,500. The Three Gorges Dam in China (the largest power station is the world) can produce 22 billion watts.
What is a kilowatt, megawatt and gigawatt?
- Kilowatt; 1,000 watts
- Megawatt; a million
- Gigawatt; a billion
The us of gigawatt is very abstract, can you illustrated how many gigatwatts are used in the world, the United States, a mid-size city, a small town and a average American house?
- The world; 5,000 gigawatts
- The United States; 1,000 gigawatts
- Mid-size city; 1 gigawatt
- Small town; 1 megawatt
- Average American house; 1 kilowatt
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