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ChaelKruip
The TYNDP data* and the ETM have significant differences for the start year. I am aware that the ETM and TYNDP use a different base year 2019 and 2015, but this could not explain the differences.
*) TYNDP source: https://2022.entsos-tyndp-scenarios.eu/visualisation-platform/
I have used Germany (2015, TYNDP; 2019, ETM) as example:
Cooking: TYNDP: 91 TWh, 327 PJ ETM: 43 TWh; 155 PJ Difference: 48 TWh, 172 PJ Reason: It looks like a factor 2, but I do not know the reason.
Electrical appliances: TYNDP: 258 TWh; 929 PJ ETM: 212 TWh; 763 PJ; Sum of Appliances (171 TWh ,358 PJ+ 260 PJ = 618 PJ, and lighting ( 40.8 TWh, 15 PJ +132 PJ = 147 PJ) Difference: 46 TWh, 166 PJ Reason: I don't know the reason.
Transport: TYNDP: 828,4 TWh; 2980 PJ ETM: 634 TWh; 2.283 PJ Difference: 194 TWh, 700 PJ Reason: It could be that international transport is included in TYNDP, but is missing in the ETM. Other remark: It seams that the visualisation tool has double counted cooking in the chart 'Application for all energy carriers (TWh)', namely 1657 TWh, instead of 828 TWh.
I could not compare all posts of the TYNDP, because of missing information. It is for example not clear what is included in the 'Heating and cooling' post of TYNDP.