Hello again Ludwig. Mantzoz et al (2016) documents the European Commission POTEnCIA energy model being developed by the Joint Research Centre (JRC). POTEnCIA utilizes NACE codes to classify industries if you want to head down that track. The report has lots of tables near the end to draw on. HTH Robbie.
Mantzos, Leonidas, Tobias Wiesenthal, Ioanna Kourti, Nicoleta-Anca Matei, Elena Navajas Cawood, Anastasios Papafragkou, Máté Rózsa, Peter Russ, and Antonio Soria Ramirez (2016). POTEnCIA model description — Version 0.9 — JRC100638. Luxembourg: Publications Office of the European Union. ISBN 978-92-79-56945-6. doi:10.2791/416465.