Italy’s transmission system operator and GO15 member Terna awarded the full 10 GWh of battery storage capacity in its first MACSE (Meccanismo di Approvvigionamento di Capacità di Stoccaggio Elettrico / Electric Storage Capacity Procurement Mechanism) auction in early October, clearing at an extremely competitive average price of €12,959/MWh-year—far below the €37,000 cap.
Projects must be operational by 2028 to enhance grid flexibility and renewable integration.
Some key lessons and features include:
- Fourfold oversubscription, signaling strong market demand.
- Regional price variation (Sicily: €15,846; South/Calabria: €12,146).
- €1 billion investment expected, backed by 15-year contracts.
(photo copyright: Terna, Lightbox)