Question:

About how many homes on average can be powered with 190MW of wind energy?

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It's a wind park they are building in the Dominican Republic.

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  1. The big problem with calculating power needs is "Peak" power demands. During the late night hours, it may supply 50,000 homes, but during peak demands, it may provide half that amount. Also remember that wind energy like solar is not always reliable.

    Homes in the US tend to be larger because energy has always been so cheap and there has been a lot of open space to build on. That is now changing. Home sizes and energy needs will change. It will take some time for this to change.


  2. Electric power usage varies from house to house and from hour to hour in a given house.  A typical number used for estimating in the U.S. is 5KW per house.  This would mean that 190 MW could power about 40,000 homes.  It is true that houses in the U.S. use much more electric power, and energy in general, than houses in most other countries.

    The power output of wind turbines varies widely with the weather.  This makes it harder to compare supply and demand.  If 190 MW is a peak output, then that output may not be there when the houses need it.   The above calculation assumes that 190MW is an average output, sustainable over long periods.

  3. Where?    Don't know, but it can power 2.5 times as many European homes as American homes.

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