Laws, courts and authorities
MaStRV
Abbreviation for Marktstammdatenregisterverordnung
In short and in plain language
The MaStRV is a German rule for a list run by the state.
This list shows systems that make power or gas.
People who run solar panels on the roof usually put them on this list.
Definition
The MaStRV is the German Market Master Data Register Ordinance. It governs the official register of installations and market participants in the electricity and gas sector, kept by the Federal Network Agency. Operators register, for example, their photovoltaic system there.