Ben Brouwer with AERO, hits the nail on the head in his op-ed that ran in the Missoulian yesterday, on the relative cost of energy for Montanans. As I have already talked about these costs here before, I wanted to take the analysis one step further and calculate the welfare savings to Montanans.
Basically, how much has Judith Gap and the MT RPS saved Montana Consumers. For simplicity sake, I will just compare the plant to Colstrip 4.
450,000 (Judith Gaps approximate annual generation) * 18 ($/MWh savings for Judith Gap) * 4.5 (length of time Judith Gap has been online, years) = $36,450,000
That's right, the Montana RPS has saved Montana Consumers approximately $36 million.
It would of course be more accurate to compare the price of Judith Gap to the hourly market prices that NorthWestern Energy has paid, but these prices are not nearly as constant as Colstrip 4 and require more time than I have to determine.
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