Very cool. NY and NE should do this. "California will shift from annual to hourly GHG emissions tracking to focus reductions"https://www.utilitydive.com/news/california-shift-from-annual-to-hourly-ghg-emissions-tracking-to-focus-redu/524837/ …
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this is super useful! thank you for sharing!
Where can I get documentation of the emissions data CMU's CEDM provides at: https://cedm.shinyapps.io/MarginalFactors/ … ? Why don't their numbers appear to match those from eGrid data?
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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CMU marginal factors are developed using hourly emissions and generation data. Recent values use same method from original paper (https://pubs.acs.org/doi/abs/10.1021/es300145v …). eGRID uses annual data, assumes a mix of all plants that have excess capacity.
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Thanks for the clarification. But, now we have at least three sets of numbers that don't agree: 1) eGrid, 2) CMU, and 3) NYISO (for 2015/2016)... Grumble... If you don't mind another question: Why are AP2 damage estimates so much higher than EASIUR estimates?
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i will follow up via email tomorrow but i see that
@gschivley already addressed some of the questions. egrid and marginal emissions are not the same thing so those # won’t match -
Thanks. I look forward to email. Note: it is your estimates of average emissions rates that don't seem to match eGrid. I realize that eGrid doesn't estimate marginal emissions.
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