NDP claim coal refurbishments will cost even more, while SaskPower minister tours Boundary Dam and Estevan mine

On a day when the Minister Responsible for SaskPower was touring the work done on the coal-fired Boundary Dam Power Station Unit 4 and the nearby Estevan coal mine, the Saskatchewan NDP was quoting another number, their highest yet, as an estimated cost of the coal refurbishments. But what are those numbers based on?
Pipeline Online digs into that analysis, and finds the scenarios each to have significant flaws.