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Utility-scale BESS hub: integrated engineering and permitting for more than 850 MW of national storage

A complete service from final design to obtaining the Single Authorization, for the development of strategic infrastructures dedicated to the stabilization of the electricity grid.

Utility-scale BESS hub: integrated engineering and permitting for more than 850 MW of national storage

The energy transition and the objectives of the PNIEC to 2030 require infrastructures capable of compensating for the peaks of renewable sources.

High-power BESS (Battery Energy Storage System) systems are the technological answer to this need. Dabster offers a comprehensive technical consultancy, design and permitting service for the development of these strategic hubs

.

We have supported our customers in the development of a portfolio of four large plants in Northern Italy (Fiscaglia, Ostiglia, Valsamoggia, Modena), taking full care of the Single Authorization (AU) process, environmental assessment, specialized reports and the entire engineering and firefighting design, drastically reducing time and bureaucratic complexity.

Place Italy
Typology Energy
Anno 2025
State In Progress
Customer SOLAR IT
Activity Technical advice for the final design and obtaining the Single Authorization for BESS (Battery Energy Storage System) plants
The bureaucratic obstacle and extreme security

Developing storage facilities on a utility scale involves two formidable challenges.

The first is regulatory: obtaining the Single Authorization requires a perfect alignment between landscape assessments, environmental constraints and authorizations from complex bodies (Fire Brigade, ENAC/ENAV, network managers). A single document error can block million-dollar investments

.

The second challenge is technological: concentrating hundreds of megawatt hours in compact modules requires infallible fire risk management (the dreaded Thermal Runaway phenomenon typical of lithium batteries) and a landscape integration that mitigates the visual impact on tens of thousands of square meters of agricultural land.

Multidisciplinary engineering and permitting
To guarantee the customer a quick and armored authorization process, Dabster has activated an integrated approach that combines bureaucratic skills with those of high engineering, involving three Business Units:
  • Permit and environment: He oversaw the preparation of all administrative instances, metric calculations and economic frameworks. It has developed tailor-made landscape mitigation solutions (such as green screens with medicinal and beekeeping plants) and has managed underground connections to eliminate visual impact.
  • Electrical design and layout: He developed the standardized technical architecture for all sites, optimizing the floor plans so that each individual container (maximum 32 square meters) was easily accessible and connected in Medium/High Voltage through dedicated, highly efficient substations.
  • Fire safety: It has engineered an absolute level of protection for the LFP modules. He has designed point monitoring networks integrated with SCADA and EMS systems (for 24-hour management) and has designed the FK5112 inert gas automatic saturating shutdown systems, accompanied by anti-explosion panels
and certified anti-seismic structures (NTC 2018)
A portfolio to support the national network
The effectiveness of the Dabster methodology is reflected in the magnitude of the projects developed and brought to authorization. A decentralized network infrastructure that boasts impressive numbers:
  • Fiscaglia Hub (FE): A 300 MW (2x150 MW) system with a monstrous capacity of 1,200 MWh. Consisting of 120 containers and 30 Power Stations on a fenced area of almost 28,000 square
    • meters.
  • Hub Ostiglia (MN): Nominal power of 200 MW and 800 MWh of storage. An architecture based on 180 containers and 45 Power Stations connected via a 250 MVA transformer (area of relevance: 65,630
    • square meters).
  • Hub Valsamoggia (BO): 182.4 MW (729.6 MWh) plant structured on 148 containers. It stands out for its extremely optimized ground footprint (only 4,736 square meters covered) and a 380 kV very high voltage connection
    • .
  • Modena S1+S2 Hub: 196.8 MW (786 MWh) configuration consisting of 92 independent storage units and 23 Power Stations on an area of 52,520 square meters, with 36 kV underground connections for maximum agricultural protection.