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by Retric
864 days ago
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They are averaging the efficiency from the current fleet of gas turbines after subtracting the useful heat output and coming up with 44.4%. However, it’s a misleading number in multiple ways because the fleet is made up of a mix of low and high efficiency turbines. Grid operators use a mix of turbine types as a cost optimization, a far cheaper and far less efficient turbine that’s only used 1% of the time it worth it. The average number of kWh per cf of gas is therefore heavily in favor of high efficiency turbines. |
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