We Are Integrator
YOUR SINGLE POINT OF
YOUR SINGLE POINT OF
SYSTEM RESPONSIBILITY.
From DC systems and advanced software integration to grid connection up to 400 kV — one partner for the entire journey.
From Concept to Commissioning
OUR DELIVERY SCOPE.
Six integrated phases — from permits and grid approvals up to 400 kV, through procurement and civil works, to full commissioning and after-sales support.
Step 01
Permits & Grid Approvals
Grid connection permits up to 400 kV, environmental approvals, and full regulatory clearances managed under one responsibility.
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Step 02
Project Documentation & Design
Engineering documentation, single-line diagrams, SCADA/EMS specs and full certification-ready technical packages.
Step 03
Procurement of Technology Packages
Vendor-neutral sourcing of battery modules, inverters, EMS/SCADA platforms and auxiliary systems — best fit, not just one manufacturer.
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Step 04
Civil & Electrical Works
Foundation works, cable routing, MV/LV installations and grid connection. All civil and electrical disciplines under one contract.
Step 05
Installation & Integration
Physical installation of all BESS components, inverters, transformers and monitoring systems. Full system integration and pre-commissioning testing on-site.
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Step 06
Commissioning & After-Sales Support
FAT/SAT testing, grid compliance verification, operator training and 24/7 monitoring. Availability warranties for the full system lifetime.
Track Record
NUMBERS THAT SPEAK.
With over 15 years of experience and a team of seasoned specialists, we deliver energy projects across Central and Western Europe — from initial engineering to full grid integration.
50+
Projects Integrated
Across industrial, commercial and utility segments
400kV
Max Grid Connection
From LV industrial to HV transmission networks
9
Countries
DE · AT · NL · CZ · SE · LV · PL · SK · RO
15+
Years of Experience
Full project lifecycle across energy storage and grid integration
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Volthein delivered our BESS project on time and on budget. Having one partner responsible for everything — from grid permits to commissioning — made the entire process predictable.
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Everything Changes
THE POWER OF INTEGRATION.
With Volthein as your integrator, you get a partner that coordinates every aspect of your project.
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One Point of Responsibility
You work with a single accountable partner instead of managing multiple suppliers. This removes disputes, clarifies responsibilities, and keeps all decisions aligned with your project goals.
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Unified Technical Approach
Civil, electrical, and software disciplines are coordinated under one design framework. This prevents mismatched documentation, ensures compliance, and secures reliable system performance.
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Optimized Project Timelines
Parallel planning across permits, procurement, and engineering shortens delivery time. Integration reduces bottlenecks and keeps projects moving without delays.
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Cost and Risk Reduction
Centralized responsibility reduces scope gaps and unexpected change orders. With predictable planning and integrated risk management, projects remain on budget and schedule.
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Transparent Communication
Clear reporting and single-point communication simplify decision-making. You have constant visibility into project status, milestones, and risks, with no hidden surprises.
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Reliable Operations Beyond Delivery
Integration continues after handover. Through maintenance, monitoring, and service support, we ensure long-term reliability and keep your system operating efficiently for its full lifetime.
Technology Partners
TRUSTED TECHNOLOGY.
Vendor-neutral integration — we select the best technology for each project across batteries, power conversion and grid infrastructure.
BatteryCATL
PCSPower Electronics
GridSiemens
BatteryREPT Battero
PCSSMA
GridABB
BatterySunwoda
PCSDelta
GridSchneider Electric
BatteryCATL
PCSPower Electronics
GridSiemens
BatteryREPT Battero
PCSSMA
GridABB
BatterySunwoda
PCSDelta
GridSchneider Electric
EMSVolthein EMS
GridABB
PCSSMA
BatteryCATL
GridSchneider Electric
PCSDelta
BatterySunwoda
GridSiemens
BatteryREPT Battero
EMSVolthein EMS
GridABB
PCSSMA
BatteryCATL
GridSchneider Electric
PCSDelta
BatterySunwoda
GridSiemens
BatteryREPT Battero
Vendor-neutral — technology is selected based on project requirements, not vendor agreements.
50+
Projects Integrated
Integrator
WE ARE INTEGRATOR.
Unlike manufacturers, we're not limited to a single solution. We provide tailored integrations that truly fit your needs.
Precision Execution
With the right components. The perfect configuration.
Long-Term ROI
System that works, scales and lasts a decade.
On-Time & Compliant
Streamlined certification and smooth approvals.
Performance
Meets all technical requirements and certifications.
