Registration in the German HKNR or RNR Register participant/Open account Welcome to the register of guarantees of origin for electricity from renewable energy sources (HKNR) and the regional register (RNR). Please note: Use of HKNR an RNR follows the regulations of the HkRNDV and is liable to charges HkRNGebV (actual, offical Version in German). Inofficial, inactual version of HkRNDV and HkRNGebV in German.
