Further information on grid connection here.
Further information on grid access here.
Further information is available under Messstellenbetreiberrahmenvertrag.
Stromnetzzugangsverordnung-StromNZV
Balancing Group Contract (Informational translation)
MaBiS
Fahrplananmeldung in Deutschland
Further information for balancing group customers here.
Further information on interruptible loads here.
Further Information on "utilisation before limitation" here.