Bolzano Parking House

In Bolzano, Italy, a pioneering project at a local parking house showcases the seamless integration of a 149kW PV installation with Xolta's 79 kWh energy storage battery.

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Bolzano Parking House: Driving Sustainability with Xolta’s Energy Storage

Executive Summary
In Bolzano, Italy, a pioneering project at a local parking house showcases the seamless integration of a 149kW PV installation with Xolta’s 79 kWh energy storage battery. This initiative, led by a local utility company, leverages surplus solar energy to efficiently power electric vehicle (EV) chargers, demonstrating a sustainable model for urban mobility.

Project Overview

Location: Bolzano, Italy

Challenge: Maximizing the use of on-site solar energy to power EV chargers, reducing reliance on grid electricity and enhancing sustainability.

The Situation
The parking house’s significant PV installation generates more energy than needed during peak sunlight hours. With the addition of EV chargers for the utility company’s service fleet, there was a clear opportunity to optimize energy usage and support sustainable transportation.

The Solution
Xolta’s 79 kWh energy storage battery was installed to capture surplus solar energy, ensuring it’s available for EV charging during peak demand times in the mornings and evenings. An advanced optimization algorithm manages the battery’s charging and discharging cycles, taking into account PV production forecasts, electricity prices, and EV charging needs.

The Outcome

  • Enhanced Energy Self-Consumption: The integration of Xolta’s storage solution has significantly increased the self-consumption of solar energy, reducing the cost of EV charging.
  • Sustainable EV Charging: Electric vehicles at the parking house are now powered by green, locally produced energy, aligning with broader environmental goals.


The Bolzano parking house project exemplifies how innovative energy storage solutions can enhance the sustainability and efficiency of urban infrastructure. By optimizing the use of solar energy for EV charging, Xolta and the local utility company are setting new standards for green mobility.

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