3 ms·
Correct, I messed up my units, and miss-interpreted "biofuels and waste". Sorry. Graph is for: Topic: "Energy supply" Indiator: "Total Energy supply (TES) by
by phtrivier 3y ago
Correct, I messed up my units, and miss-interpreted "biofuels and waste". Sorry. Graph is for:
Topic: "Energy supply"
Indiator: "Total Energy supply (TES) by source".
Looking at the stacked chart, for 2020, the sum is above 200 000 TJ (not 200 TJ as I wrote mistakenly). It's propably about 210 000 TJ.
Then, for electricity, I summed "Wind, Solar, etc..." (21 375 TJ) and "Hydro" (14 738 TJ).
I assumed that "Biofuels and Waste" (93 709 TJ) was used mostly for heating as opposed to electricity generation, and neglected it.
It's not entirely the case, though ; in the "Electricity Generation by source", you can see that 2 752 GWh where produced using "biofuels and waste" out of the 811 + 2752 + 4094 + 5476 + 462 = 13595 GWh of electriciy (~20%.)
So I guess that we should add ~20% of those 93 709 TJ, and say that roughly (again, I'm doing ballpark computations here) 60 000TJ out of more than 210 000 TJ.
Still, 28% !== 100%, isn't it ;) ?
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PS: Out of curiosity, from https://www.iea.org/countries/france https://www.iea.org/countries/france, my home country would be at around 4% renewables, and 40% "non fossil" (given the share of nuclear in electricity), but as usual, we're outliers...
- Retric 3y agoOk, but again don’t forget about efficiency for biofuels. If their Waste power plants are 30% efficient and produce 2.752 TWh that took / 0.3 * 60 * 60 ~= 33,000 Tj of fuel + 42,000 Tj of electricity from other sources. So, (33 PJ + 42 PJ) / 210 PJ = 36% of total primary energy supply used for electricity. Which again shows why comparing pre conversion efficiency numbers to post conversion efficiency numbers gives rather silly results.