Daniel Mercer at the Australian Broadcasting Company reports that the newest coal-fired power plant in the country, the 10-year-old, nearly $1 bn. USD Bluewater facility, has been written off as worthless by its investors. Southwestern Australia has so much cheap solar energy that the coal plant’s prospects cratered, especially once it faced some supply problems. Mercer reports that financial analysts are predicting that there is going to be a lot of this sort of thing. In fact, if any of you has coal stocks in your retirement portfolio, I’d drop them like a hot potato.Solar just made Banks write off a Solar just made Banks write off a $1 bn. Australian Coal Plant as Worthless; What’s in Your Retirement Portfolio? bn. Australian Coal Plant as Worthless; What’s in Your Retirement Portfolio?