The ministry has 55.4 GW of storage waiting for a permit. At 30 April 2023 it had 1.6 GW. 6.0 GW got its decree in the year to 30 April 2026.

Click a row to centre the map there. MW is the developer’s or the ministry’s nominal figure; for a capacity market unit with no other record it is Terna’s CDP, a derated figure.

The Ministero dell’ambiente e della sicurezza energetica handles the single authorisation for storage of state competence and reports once a year on every procedure. At 30 April 2026 it had 392 storage procedures open for 55.4 GW, against 18 for 1.6 GW at 30 April 2023. A further 45 applications for 12.1 GW were received and not yet opened.

The fifteen largest open procedures:

Regional authorisations, which cover most projects below the state threshold, are not in this record; the press rows below carry the ones reported. Source: MASE, Rapporto sull’andamento delle autorizzazioni, 2026-04.

69 decrees for 6.0 GW. The twenty largest:

The capacity market pays a fixed premium per MW of derated capacity (CDP) for new storage over fifteen years. Four auctions have awarded 1,857 MW CDP to 63 new storage units. MACSE, the storage-only auction, contracts energy capacity in MWh; its first round on 30 settembre 2025 contracted 10.0 GWh in 14 lots for delivery in 2028.

Capacity market premiums

MACSE premiums, €/MWh/year

MACSE lots

Capacity market storage units

Terna states no municipality for a unit; where the unit name carries a town the project is placed there. Source: Terna, Rendiconto degli esiti, one report per auction.

193 projects found in company statements, ministry decrees as reported, Terna statements and the trade press, each with the page it rests on. The forty most advanced:

Facts and links only; no article text is reproduced. Where two sources disagree the operator’s figure is kept and the note says so.

A project appearing in more than one record is shown once, at its most advanced stage, when the company name and the municipality agree; 90 projects matched that way. A capacity market MW is Terna’s derated CDP and is never added to a nameplate MW. A blank MW means no source states it. The ministry’s record covers only authorisations of state competence; the regions grant the rest and publish them unevenly. Terna does not publish the applicant behind a queue request, so this register cannot be joined to the Atlas request by request. Enel says 27 battery plants and 1.76 GW operate in Italy and names none of them in public, so the operating count here is a floor. What a project earns is not public in Italy: GME’s market data is licensed for private use only, so no revenue appears here.

Records: MASE authorisation reports (2021-04, 2022-04, 2023-04, 2024-04, 2026-04); Terna capacity market reports, delivery years 2024, 2025, 2026, 2027; Terna MACSE report 2028; press and company statements to 2026-10-01. The register as a file.