Segarra Tamarit, Ignacio Atanasova, Christina Figuerola Ferretti Garrigues, Isabel Catalina 2025-09-26T12:27:53Z 2025-09-26T12:27:53Z 2024-06-01 1042-4431 https:doi.org10.1016j.intfin.2024.102008 http://hdl.handle.net/11531/104799 Artículos en revistas Amid the global energy crisis, we examine the impact of electricity market regulations in the European Union (EU). Pursuing an integrated EU electricity market inadvertently heightened the interdependence between gas and electricity prices. The EU energy crisis, triggered by the gas supply shock, amplified power prices and their volatility. These volatility spikes led to substantial margin increases on power futures contracts crucial for mitigating electricity price risks. The increase in margins placed a substantial financial burden on EU power utilities. We document an almost eight-fold surge in required collateral for long positions in front-month EU power futures contracts during the one-year duration of the crisis. Throughout the crisis, EU utilities experienced lower sales and profitability compared to their US counterparts, and a portfolio of EU power utilities significantly underperformed a counterfactual portfolio of US power utilities. application/octet-stream en-GB Revista: Journal of International Financial Markets, Institutions and Money, Periodo: 1, Volumen: online, Número: , Página inicial: 102008-1, Página final: 102008-15 Instituto de Investigación Tecnológica (IIT) Electricity markets regulations: the financial impact of the global energy crisis info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/openAccess Electricity markets regulations; Zonal vs nodal pricing; Margins; Synthetic controls; Financial performance