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Environment & Energy

OKIsItJustMe

(21,709 posts)

16. Watch your units

Reply to progree (Reply #15)

Mon Apr 15, 2019, 12:34 PM

Apr 2019

Post #9, measuring "Other Renewables" (i.e. other than hydro) is in thousands of megawatthours
Post #11, measuring "renewable electricity" is in millions of megawatthours

Compare post #11 (subtracting the hydro) to post #9.

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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