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One concern I have about this map, is that the allocation of natural gas applies a flat coefficient to all natural gas sources. As far as I can tell, it does not give any rebate/reduction for natural gas that has a dual purpose -- namely, to provide heating and cooling in addition to the electricity process.

In other words, there are additional processes being driven by the residual heat, often called combined heat and production or cogeneration. It seems that the CO2 g/kWh should be lowered to reflect that these plants only supply a portion of the CO2 for electricity production. [1]

1 - https://www.jenbacher.us/en/our-solutions/industries/industr...




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