Renewable portfolios are cannibalising aFRR prices

Upward and downward aFRR capacity prices in Spain (€/MW/h)
Source: ESIOS, Modo Energy • Get the data behind this chart
Note: Quarterly bars are the average of monthly means. ESIOS publishes this price per 15-min settlement period; converted here to an hourly rate (x4), cross-checked against REE's published weighted averages. Spain moved to asymmetrical aFRR capacity allocation on 24 November 2024.
MODOENERGY