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Environment & Energy

progree

(12,775 posts)

3. I read (belatedly) the fine print below the diagram, and my understanding now is

Reply to mr_lebowski (Reply #2)

Sat Apr 13, 2019, 01:00 PM

Apr 2019

that the nuclear, coal, and other thermal fuels' quads on the far left are the actual thermal quads of the fuel consumed

while the wind, solar etc. quads are some fuel equivalent as if it was then to be burned in a typical fossil fuel power plant ....

I was in the process of editing my post#1 when I saw your comment ...

From the fine print below the diagram (an expanded version is in post#1):

"Source: LLNL March, 2019. Data is based on DOE/EIA MER (2018). ... EIA reports consumption of renewable resources (i.e., hydro, wind, geothermal, and solar) for electricity in BTU-equivalent values by assuming a typical fossil fuel plant heat rate.

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Energy Flow Diagrams [View all] OKIsItJustMe Apr 2019 OP

Thanks for posting .. I was thinking about posting the U.S. diagram progree Apr 2019 #1

Pretty sure the numbers on the far left for each source is actual output unrelated to potential (nt) mr_lebowski Apr 2019 #2

I read (belatedly) the fine print below the diagram, and my understanding now is progree Apr 2019 #3

You're Welcome OKIsItJustMe Apr 2019 #9

U.S. renewable electricity generation has doubled since 2008 OKIsItJustMe Apr 2019 #11

I know I'm overlooking something obvious, but why is there a factor of 10 difference progree Apr 2019 #15

Watch your units OKIsItJustMe Apr 2019 #16

What I meant was the "other renewables" -- the green band in #11 is about 40 million MWH progree Apr 2019 #17

Sadly, the use of "other" is not consistent between the two graphs OKIsItJustMe Apr 2019 #18

Whew. That makes sense (and I spent about 10 minutes trying to find something wrong with it) progree Apr 2019 #19

You're Welcome! (No text) OKIsItJustMe Apr 2019 #20

"Make your own chart" - Thanks, I don't think I've seen this feature before nt progree Apr 2019 #14

What is "rejected energy " 68.5????? in the upper right in the gray box mitch96 Apr 2019 #4

Yes. nt progree Apr 2019 #5

Thermodynamics in action caraher Apr 2019 #6

I was also thinking about it's difficult to store electrical energy mitch96 Apr 2019 #7

Nope -- electricity generated must match the system load every second, otherwise the system progree Apr 2019 #8

When you say frequency...... mitch96 Apr 2019 #10

60 hz progree Apr 2019 #12

I hope my long post wasn't a lot of word salad -- the point of it is that progree Apr 2019 #13