We implement neutral grid operation and thereby ensure the billing-wise and legal-wise separation of grid usage from power generation, trade and supply so that we comply with https://www.innogy.com/web/cms/mediablob/en/3875800/data/0/4/sustainability-report-2017.pdf https://www.innogy.com/web/cms/mediablob/en/3875800/data/0/4/sustainability-report-2017.pdf the unbundling regulations.