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Italy authorized 24 battery energy storage projects with a combined power capacity of 3.7 GW in October, compared with 3.2 GW in September. Puglia accounted for 12 projects and about 2,237 MW, while construction timelines and disclosed storage durations vary across the approved developments.
Italy authorized 24 battery energy storage system projects with a combined power capacity of 3.7 GW in October, exceeding the 3.2 GW approved in September, according to Energy Storage. The approvals by the Ministry of Environment and Energy Security (MASE) add a substantial slate of proposed storage capacity to the country’s development pipeline, with the southern region of Puglia accounting for 60.6% of October’s total.
MASE issued five single authorizations on October 30, covering projects with a combined power capacity of 722.5 MW. The largest is the 434.5 MW Castra Energiae Umbriae project in Castel Giorgio, in the province of Terni. Rinascita Botticelli Srl, a subsidiary of Rinascita Holding, received authorization under Decree 322/2026. The project is planned to include 340 battery containers with a combined energy capacity of around 1.5 GWh, along with 2,040 inverters. Its construction is expected to take about 17 months.
The other four projects authorized on October 30 are in Puglia: Nuveen’s 103 MW Valle del Forno 2 in Castelluccio dei Sauri; a 50 MW project by Reden subsidiary Electricity Time Shifting 4 Srl in San Severo; a 35 MW project by GR Value subsidiary GRV BESS Srl in Stornara; and the 100 MW Bari Loseto project by RNE IT SPV 41 Srl. Reported construction schedules are 24 months for the Nuveen and Reden projects and nine months for the GR Value development.
The October total includes approvals beyond those five projects. Among the other large developments, Engie received authorization for a 140 MW project in Leinì, near Turin, and a 122.4 MW project in Amorosi and Puglianello, in the province of Benevento. ACL Energy received approvals for a 116 MW project in Bari Ovest and a 250 MW project in Lucera. These figures describe authorized power capacity; they do not mean that the projects are already built or operating.
Puglia Leads October Storage Approvals
The geographic concentration of approvals stands out: Puglia received 12 of the 24 authorizations, totaling about 2,237 MW, or 60.6% of October’s authorized capacity. Foggia province had the largest concentration within the region, with six projects totaling approximately 752 MW. Energy Storage reports that Puglia would still lead even if the large Brindisi project were excluded, with more than 1.2 GW.
Storage projects can shift electricity across time, but the authorizations alone do not establish when, or whether, the capacity will be completed and connected. The approvals matter as a measure of the projects advancing through Italy’s permitting process; they are not equivalent to installed capacity, a construction start, or a guarantee of future output. The reported variation in project sizes and construction schedules also means the total will not necessarily enter service at once.
October had two fewer approvals than September—24 versus 26—but about 440 MW more authorized capacity. The average project size rose to around 154 MW from 125 MW. Energy Storage cautions that the average is affected by the large Brindisi development: the median project size remained about 100 MW, and most projects were below 200 MW.
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September and October Approval Pattern
The October approvals followed a month in which Italy authorized 3.2 GW of storage projects. Across the two months, several developers secured multiple permits. Engie’s October approvals add to its 104 MW Andria project authorized in September. ACL Energy’s two October approvals join its Carpi and Castelverde projects from September, bringing the group’s reported total to four authorizations and 728 MW over the period.
Other October recipients include Energy Total Capital, which received approvals for projects in Manfredonia and Santa Maria Capua Vetere, and companies established following a split of GRA BESS Srl, which received permits for developments in Santa Maria La Longa and Casei Gerola. Projects were also authorized in areas outside Puglia, including Umbria and Sardinia. Northern Italy accounted for around 420 MW, or about 11% of the monthly total, across five projects in Piedmont, Lombardy, Friuli Venezia Giulia and Emilia-Romagna, according to the report.
The reported project figures are not uniform in what they disclose. Power capacity is available for the authorized projects, but energy capacity—the amount of electricity stored—appears in only some decrees. Where both figures are reported, Energy Storage gives durations ranging from about 3.5 hours for Castel Giorgio to more than 4.5 hours for some projects. Construction timelines across the month’s projects range from six to 31 months.
Permits Do Not Set Completion Dates
The source report does not say how many of the authorized projects have begun construction, reached financing milestones, or secured all remaining approvals. A permit records authorization, not completed infrastructure. Actual build-out and operation will depend on project-specific progress, and the report does not provide a confirmed commissioning schedule for the full 3.7 GW.
There are also limits to comparisons between projects. Most reported figures describe power capacity in megawatts, while energy capacity in megawatt-hours is provided for only a subset. Without those energy figures, the storage duration of many projects cannot be established from the available information. The expected construction periods reported for some developments are estimates, not confirmation of when they will be completed.
Construction and Project Milestones
The next milestones are project-specific: developers will need to move from authorization toward construction and, eventually, operation. The report gives expected build periods for several projects—including about 17 months for Castra Energiae Umbriae, 24 months for the Nuveen and Reden projects, and nine months for GR Value’s Stornara project—but does not provide confirmed start dates.
Further approvals and construction progress will show how much of October’s authorized capacity advances toward deployment. For now, 3.7 GW is the October authorization total; how much will be built, and when the projects will enter service, remains unsettled.
Key Questions
How much battery storage did Italy authorize in October?
Italy authorized 24 battery-storage projects with a combined power capacity of 3.7 GW in October 2026, according to Energy Storage. The figure is authorized capacity, not operating capacity.
Which region received the most approvals?
Puglia received 12 authorizations totaling about 2,237 MW, or 60.6% of October’s total authorized capacity.
What was the largest project approved in October?
The largest of the five projects authorized on October 30 was the 434.5 MW Castra Energiae Umbriae development in Castel Giorgio, in the province of Terni. Its planned energy capacity is around 1.5 GWh.
Are the newly authorized projects already operating?
The report describes them as authorized projects and does not say that they are operating. Authorization is not confirmation of construction or commissioning; project progress and start dates remain unclear.
How does October compare with September?
October’s 3.7 GW exceeded September’s 3.2 GW, even though October had 24 approvals compared with 26 in September. The average project size was around 154 MW in October versus 125 MW in September, while the median remained about 100 MW.
Source: ess-news.com
