I am absolutely dissatisfied with the…
I am absolutely dissatisfied with the audit they conducted. They completely ignore the average consumption per square meter as well as previous billing statements. Furthermore, they have absolutely no clue about the formula used to convert kWh into energy units (EI).
There is no possibility to ask questions. In case you want a more detailed analysis—even though you pay for legal insurance (Rechtsschutz) from which they receive money—they completely refuse any further cooperation or suggestions. All in all: superficial, inaccurate, and incompetent.