Achtnicht, LukasLukasAchtnichtHopf, KonstantinKonstantinHopf0000-0002-5452-0672Staake, ThorstenThorstenStaake2026-09-042026-09-0420251556-5068https://fis.uni-bamberg.de/handle/uniba/117090engAn assessment of the electrical energy and power deficit during dark doldrums in a renewable-heavy power grid : the example of Germanypreprint10.2139/ssrn.5491407