C&I Solar + Storage Project in Germany

Project Overview

Wenergy delivered a 1.445MWh commercial and industrial battery energy storage system (BESS) for a customer in Germany, supporting a behind-the-meter solar + storage application. The system integrates 5 units of Wenergy Stars Series 289kWh Cabinet ESS under a 400V low-voltage grid connection, enabling optimized photovoltaic self-consumption, peak demand management, and improved on-site energy resilience.

Project Specifications

• Project Location: Germany

• Application: Commercial & Industrial Solar + Storage

• Installed Energy Capacity: 1.445MWh

• BESS Configuration: 5 × 289kWh Battery Storage Cabinets

• Grid Connection: 400V Low-Voltage Grid

Solution Highlights

Modular C&I BESS Architecture
The cabinet-based design provides flexible and scalable energy storage capacity, allowing the system to be tailored to site load profiles while supporting future expansion.

Advanced Battery Safety System
Featuring four-layer protection from cell, pack, rack, to system level, the solution incorporates early-warning detection, integrated fire suppression, and explosion-relief design to ensure safe operation in commercial and industrial environments.

High-Efficiency Thermal Management
Intelligent liquid cooling maintains consistent cell temperature, enhancing round-trip efficiency, battery performance, and long-term system lifespan.

Reliable Performance for Industrial Applications
Built for demanding deployment scenarios, the system offers strong environmental adaptability and stable operation across diverse commercial and industrial operating conditions.

Customer Benefits

By combining battery storage with on-site solar generation, the customer can reduce grid electricity dependence, increase renewable energy utilization, lower energy costs, and improve power supply reliability. The project demonstrates Wenergy’s expertise in delivering scalable, safe, and high-performance battery energy storage solutions for the European C&I market.