Featured in And the winner is – 12-2025-01-2026

Maximizing MACSE

Italian renewable energy experts welcomed the results of Italy’s first electricity storage capacity procurement mechanism (MACSE) auction, held on Sept. 30, 2025. The exercise offered benefits such as lower system costs, but drawbacks remain, including the erosion of operators’ margins. A total capacity of 9,968 MWh has already been allocated, but the cleared prices at auction are just part of the future revenue stack for Italian battery energy storage systems (BESS), as Sergio Matalucci reports.

By

Sergio Matalucci

05 Dec 2025

The MACSE auction results show a significant level of interest in Italy’s energy storage markets. Bids exceeded demand more than four times, resulting in a weighted average allocation price of €12,959 ($14,999) per megawatt-hour per year (MWh-year). This figure is calculated by multiplying a system’s MW capacity by 8,760 – the number of hours in …

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