Abstract
This work analyses the symbiotic relationship between variable renewable energy (VRE) generation and pumped hydropower storage (PHS) in Northern Europe. The two-stage stochastic rolling horizon framework of the Scenario Fan Simulator (FanSi) model is used to analyse weather-related uncertainty and its impact on VRE generation and curtailment, for scenarios with varying amounts of pump capacity installments. A case study then exemplifies the impact of VRE share and PHS capacity on the resulting capture prices for all technologies in the Northern European power system.