There are no savings for the person who actually pays the bill, but there are savings to society as a whole in increasing the amount of renewable power, and therefore there are fewer hospitalizations, fewer adverse health effects, a more diversified electricity mix, less dependence on fossil fuels. There are a number of societal benefits, but no, it doesn't save the individuals paying the bill any money.
On February 12th, 2013. See this statement in context.