Project Reference

BESS designed to support a PV installation in Germany.

MaxSolar · Germany

MaxSolar

Client

Germany

Location

4 840 kWh

Energy Capacity

2 000 kW

On-Grid Power

A battery storage system that operates in conjunction with a local PV power plant, enabling charging exclusively from renewable sources. This requires close collaboration on commissioning and EMS with the local renewable resources.

The Site

Challenges & Solutions.

The battery storage system operates in tandem with a local PV power plant, allowing charging exclusively from renewable sources. This required close collaboration on commissioning and EMS with the local renewable resources.

Technical Specification

Technical Details.

Battery Type

13× Li-ion LFP CATL EnerOne — 372.7 kWh

PCS Type

2× Delta EPCS1000-IEC

Execution

2023–2024

Functionalities

Cooperation with PV

System Voltage Output

20 kV

Status

In Operation

Full Project Delivery

Scope of Work.

Volthein delivered the full project lifecycle for the MaxSolar BESS — from consulting and engineering through grid integration and EMS, to commissioning, grid compliance and ongoing asset management.

Step 01

Consulting & Engineering

System sizing, single-line design and the certification-ready technical package.

Step 02

System Procurement & FAT

Vendor-neutral sourcing of the batteries and power conversion, with factory acceptance testing.

Step 03

Grid Integration & EPC

Foundations, MV/LV works and grid connection through the project's substations.

Step 04

EMS & Control Systems

EMS/SCADA integration and activation of the contracted grid and market services.

Step 05

Commissioning & Grid Compliance

SAT, grid-code compliance verification and handover into operation.

Step 06

After-Sales & Asset Management

Monitoring, service and availability warranties over the system lifetime.

Standardised

S-Line

Deploy fast.
Operate with confidence.

Pre-engineered BESS blocks in three configurations — ESSENTIAL, STANDARD and PERFORMANCE. Fixed pricing, faster time to revenue, and target 99% availability.

Pre-delivery FAT & streamlined commissioning

CAPEX certainty — fixed pricing blocks

Optional warranty up to 15 years

24/7 monitoring & remote support

FCR / aFRR RES Integration Market Trading Industrial

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Custom

C-Line

When standard
isn't enough.

Fully engineered BESS for projects with complex site constraints, non-standard interfaces, or specific control requirements — configurable within a validated framework.

Adapt to real-world site limitations

Single-source accountability

Custom PCS, battery & PPC integration

Full grid connection up to 400 kV

Off-Grid Power Plant Grid Balancing 400 kV

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