it's for households. Energy prices for industry is much lower and in 2024 actually cheaper than 2017 (2024: 16,99, 2017: 17,09)
Source: https://www.bdew.de/service/daten-und-grafiken/bdew-strompre...
2017: 08,02 Cent 2024: 15,50 Cent
Total cost is only less, because there are fewer levies and taxes.