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Higher Than Expected Natural Gas Prices Highlight Importance of Coal-Fired Power Plants

Generating electricity with natural gas is far more expensive than generating electricity with coal at current gas prices. In fact, natural gas prices must remain below $2.92/mmbtu at a combined cycle natural gas plant, and below $2.24 at combustion turbine plants for consumers to save money on fuel costs relative to coal....

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A Little Math Shows Switching to Natural Gas Will Probably Increase Fuel Costs for Minnesota Ratepayers

It's a common refrain for energy policy: it is cheaper to generate electricity from natural gas than coal. In some respects this is true, but power plant efficiency and fuel prices are important variables we should consider before we completely shutter Minnesota's coal fleet in favor of renewables and natural gas. Combined cycle natural gas plants are more efficient than coal plants because they use the heat produced as gas is burned to make 50 percent more electricity. It's hard to explain, so I've included a video below. [embed]https://www.youtube.com/watch?v=jQ4yp_0Djvc#action=share[/embed] However, not all natural gas plants are combined cycle plants, and many of the...

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