From the Boston Globe:

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Wind has become a larger part of the energy mix as a result of
government policies requiring utilities to acquire power from
renewable sources such as wind and solar. Massachusetts, for example,
requires utilities to get 15 percent of their power from renewable
sources by 2020.

Such policies have created markets for wind, leading to more
competition, better technology, larger projects, and ultimately lower
prices.

Over the life of the 15- to 20-year contracts, utilities would pay an
average price of less than 8 cents per kilowatt hour, compared with
projected prices of about 10 cents for coal, 11 cents for nuclear, and
14 cents for solar.

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Those are impressive numbers for anyone who has followed the history
of renewable power sources. Solar has also come down a lot in price
but still needs additional cost reductions to become competitive.


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Wayne, a local who works for a local coal fired electric plant predicts that coal furnace energy sources will be a thing if the past within the next 40-50 years.