Primary demand from energy sector should be shown separately from the industry sector in mekko

[mabijkerk]

Currently, the primary energy demand from the energy sector is included in queries of the industry sector. See for example the query primary_demand_of_imported_electricity_from_industry:

The primary energy demand mekko however, shows only the "Industry" group (see screenshot of a blank NL scenario below):

This can lead to confusing results. For example, since the addition of renewable heat to the primary energy mekko in #3674, unused renewable heat in district heating, which is attributed to the energy sector, will show up in the "Industry" group, even though district heating is not connected to the industry sector (see screenshot of blank NL scenario with 200000 MW solar thermal installed for district heating):

Though the example above is rather extreme, showing energy and industry within the "Industry" group without stating it explicitly can distort the interpretation of primary energy demand of the industry sector. A first quick fix is to rename the group to "Energy and industry". A more thorough solution would be to make two separate groups. What do you think @marliekeverweij and @michieldenhaan?

[michieldenhaan]

Yes fully agree!

About the quick fix: We have to be careful that the label is not used elsewhere (in places where 'industry' really does mean only 'industry'). If this is the case, I think it's best to add a custom label key for the 'Energy and industry' translation.

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[mabijkerk]

The same goes for the final energy demand per sector [%] chart, where energy is part of industry as well: