DER also entails electric power Digital interfaces, and also communications and Management devices for productive dispatch and operation of one building models, various program packages, and aggregated blocks of electric power. Collective bargaining plan is at the center on the BDA's function because the umbrella organisation of German companies' associations. https://allgemeingeltungsbereich.de/arbeitgeber-der-zukunft-die-zukunft-der-arbeit-gestalten/