Fronius Reserva Pro: European-Made Energy Storage for Farms, SMEs & High-Demand Homes

Fronius is expanding its premium solar and energy storage portfolio with the launch of:

⚡ Fronius Reserva Pro

Designed specifically for customers with higher energy requirements, the new high-voltage battery system targets:

• Farms
• SMEs
• Commercial buildings
• Large residential homes
• Energy-independent properties

With:

✅ European-made cells and modules
✅ Flexible scalability up to 128 kWh
✅ Advanced backup functionality
✅ AI-powered energy optimization

…the Fronius Reserva Pro positions itself as a high-performance premium energy storage solution for demanding applications.

Built for Higher Energy Demands

As electricity prices, grid instability, and energy independence concerns continue growing across Europe, more businesses and households are looking for robust battery storage solutions.

Fronius Reserva Pro is specifically engineered for applications requiring:

✔ Higher storage capacities
✔ Strong charging/discharging performance
✔ Reliable backup power
✔ Long-term operational flexibility

Flexible Storage Scalability up to 128 kWh

One of the standout features of the Fronius Reserva Pro is its modular scalability.

Storage Capacity Options

🔋 12–32 kWh per battery tower
🔋 Up to 4 towers in parallel
🔋 Maximum total capacity: 128 kWh

This makes the system suitable for:

• Agricultural operations
• Commercial energy storage
• High-consumption residential properties
• Hybrid solar systems
• Backup-critical applications

Perfect Match for Fronius Hybrid Inverters

The Reserva Pro is optimized for seamless integration with:

⚡ Fronius Verto Plus
⚡ Fronius GEN24 Plus

This fully integrated ecosystem simplifies:

• Installation
• Commissioning
• Monitoring
• Daily operation
• Energy management

Reliable Backup Power & Black-Start Capability

Energy resilience is becoming increasingly important, especially for farms and SMEs that rely on continuous operation.

The Fronius Reserva Pro includes:

✅ Backup power functionality
✅ Black-start capability

In combination with:

👉 Fronius Backup Controller

…the system automatically switches into backup mode during grid outages.

Critical Applications During Power Outages

The high charging/discharging power of:

⚡ Up to 28.3 kW

…allows the system to continue operating demanding equipment such as:

• Feed mills
• Refrigeration systems
• Milking equipment
• Industrial machinery
• Workshops and processing tools

This is especially valuable for:

• Agricultural businesses
• Food production
• Commercial operations requiring uninterrupted power

High-Efficiency DC-Coupled Design

The Fronius Reserva Pro uses:

👉 DC coupling

This ensures:

✔ Reduced conversion losses
✔ Higher system efficiency
✔ Better solar self-consumption
✔ Optimized energy storage utilization

The result is improved overall solar battery system performance.

Fast Installation with Hardware-Free Stacking

Fronius also focused heavily on installer-friendly deployment.

Installation Advantages

✔ Tool-free stacking design
✔ Simplified expansions
✔ Reduced installation time
✔ Cleaner system architecture

This helps installers complete projects faster while simplifying future capacity upgrades.

AI-Based Fronius Energy Cost Assistant

The integrated:

👉 Fronius Energy Cost Assistant

…uses AI-powered energy management to optimize battery behavior.

The system continuously analyzes:

• PV production forecasts
• Household/business consumption
• Real-time electricity pricing

Based on this data, the battery automatically determines:

⚡ When to charge
⚡ When to discharge

…to maximize economic savings and energy efficiency.

LFP Battery Chemistry for Safety & Longevity

The Reserva Pro uses:

🔋 Lithium Iron Phosphate (LFP) chemistry

Benefits include:

✔ High thermal stability
✔ Long battery lifespan
✔ Improved safety
✔ Stable long-term performance

LFP chemistry is increasingly preferred across residential and commercial energy storage markets because of its strong safety profile.

European Data Security & Cybersecurity

Fronius places strong emphasis on:

🔒 Data privacy
🔒 Cybersecurity
🔒 European data storage

All customer and system data is stored:

👉 Exclusively on European servers and cloud infrastructure

This aligns with growing European concerns around:

• Energy infrastructure security
• Data sovereignty
• GDPR compliance

Smart Monitoring via Fronius Solar.web

The Fronius Solar.web platform enables users to:

✔ Monitor battery performance
✔ Control charging behavior
✔ Prepare for grid outages
✔ Optimize self-consumption

For example, users can proactively charge the battery before severe weather events to ensure backup power availability.

Made in Europe

Fronius continues emphasizing European manufacturing and supply chain quality.

European Production Focus

✔ Cells manufactured in the EU
✔ Modules manufactured in the EU
✔ System development in Austria
✔ Production primarily in Austria and Czech Republic

This supports:

• European quality standards
• Supply chain reliability
• Higher product traceability
• Stronger manufacturing control

Solar&Solar Perspective

For solar installers, EPCs, distributors, and commercial energy storage professionals, the Fronius Reserva Pro enters the market as a strong premium solution focused on:

• High-capacity storage
• Energy resilience
• Intelligent energy optimization
• European manufacturing quality
• Fully integrated ecosystem compatibility

As Europe’s energy transition accelerates, demand for scalable, backup-capable energy storage systems for farms, SMEs, and premium residential applications will continue growing rapidly.

Conclusion

The Fronius Reserva Pro expands Fronius’ position in the advanced residential and commercial energy storage market.

With:

⚡ Scalable storage up to 128 kWh
⚡ Powerful backup functionality
⚡ AI-driven energy optimization
⚡ High-efficiency DC coupling
⚡ European-made battery technology

…the Reserva Pro delivers a future-ready solar battery solution designed for customers seeking long-term energy independence and operational reliability.

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