With the Russian attack on Ukraine, the past year has brought a rupture for Europe. At the end of 2022, the renowned Loccumer Finanztage (Loccum Finance Days) dealt with the manifold challenges for "Public Finances in the Turn of the Times". In the conference proceedings now available, Michael Thöne discusses the new situation of renewable energies in the energy crisis, which in view of extremely dynamic energy prices are caught between subsidisation and caps on overly high profits. His paper is available for free download.