Gone are many of the mechanics, millwrights, and welders who once held high paying jobs to keep coal-fired power plants operating.
As maintenance-intensive coal-fired power plants—chock full of rotating equipment and leak-prone pipes and valves, not to mention conveyer belts and coal ash handling equipment—are retired they are being replaced to a large extent by gas-fired units that make full use of sensors, predictive maintenance software, and automated control systems.
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