Fig. 6
From: Burden on hydropower units for short-term balancing of renewable power systems
Results regarding contribution payment under different thresholds of ER-ideal (for HPP 1 under Ep2): a average ratio of contributed regulating energy (λR-avg) (b) ratio of regulation correctness (λC) and the amount of effective regulation movements. Detailed values of λR-avg and λC are shown in Supplementary Table 7
