I know of at least one power generation company that can read the writing on the wall. They're investing in wind, and they've already converted one coal plant to natural gas, with another on the way. Not everyone in the power industry is clinging so dramatically to coal. Even then, there are other ways to reduce CO2 production, including consumer side efficiency incentives and new grid technology.
Even if the costs of recommissioning plants are in the hundreds of millions, and that cost is passed directly on to customers, that isn't necessarily a lot of money when spread out over several years and over the customer base of the average energy provider.
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