Use 2010 as default weather year?

[fneum]

2010 -> very cold -> high heat demand -> challenging for sector-coupling model -> Kalte Dunkelflaute

[euronion]

Other discussed alternative: Use a typical metereological year TMY. Refs:

• https://ec.europa.eu/jrc/en/PVGIS/tools/tmy (thanks @martavp )
• ISO 15927-4
• https://www.dwd.de/DE/klimaumwelt/klimaforschung/spez_themen/try/try_node.html