Engineering, delivering, and supporting your BESS
End-to-end energy storage delivery across CEE β engineered, installed, monitored and serviced by our Budapest-based team. With ROI modelling on real HUPX prices and DSO-compliant designs from day one.
From feasibility to operation β one local partner
Site assessment with HUPX-based ROI modelling, DSO-compliant engineering, professional installation, 24/7 monitoring, EMS integration with local platforms β and a dedicated account manager who picks up the phone in your language.
Site Assessment & ROI Modelling
We model your site against real HUPX prices, DSO constraints and your actual load profile β so you see payback, IRR and NPV before you commit. Our Hungarian C&I sites typically pay back in 4.9β9.6 years.
- Site assessment and feasibility analysis
- Custom system design and engineering
- ROI and financial modeling
- Regulatory compliance guidance
- Technology comparison and selection
DSO-Compliant Engineering & Commissioning
Sub-499 kW Hungarian designs that pass DSO approval in months, not 6β12+ months. MVM/E-on/Opus-approved 125 kW PCS, integrated with Ewiser and Alteneva EMS. Turnkey installation by certified local crews.
- Project management and coordination
- Equipment delivery and logistics
- Professional installation by certified teams
- System commissioning and testing
- Staff training and handover
24/7 Monitoring & Local Service
Remote diagnostics, preventive maintenance and rapid on-site response across CEE. We aim for sub-48h fault response in Hungary β so your peak shave revenue keeps flowing while standard suppliers are still routing tickets.
- 24/7 remote monitoring and diagnostics
- Preventive maintenance programs
- Rapid on-site response across CEE
- Software updates and optimization
- Performance reporting and analytics
Warranty Handling + EU Spare Parts
5-year standard warranty (or 6,000 cycles, whichever comes first), with a 5-year extension option keeping performance coverage through year 10. Spare parts stocked in EU warehouses β claims processed within 48 hours by your dedicated account manager.
- 5-year base warranty (or 6,000 cycles) + 5-year extension to year 10
- Spare parts inventory in CEE region
- Warranty claim processing within 48 hours
- End-of-life recycling and disposal
- Dedicated account management
EU Stock & Vendor-Side Logistics
Regional inventory in EU warehouses, customs and VAT handling, drop-shipping for EPC partners. Manufacturing lead time is 30 days; combined with sea freight, plan ~3 months total β no hidden surprises.
- Central European warehouse facilities
- Express delivery within 3-5 business days
- Customs and import handling
- Inventory management for partners
- Drop-shipping capabilities
PV + BESS + EMS System Integration
Hybrid solar + storage, grid-tied or off-grid, industrial backup. Compatible with In-power, third-party inverters, and tested with Ewiser and Alteneva EMS platforms. We've delivered configurations that boost EV charging beyond grid limit (522 kWh BESS + 150 kW grid β 400 kW dynamic charge).
- Solar PV + battery hybrid systems
- Grid-tied and off-grid solutions
- Industrial power backup systems
- EMS (Energy Management System) integration
- Third-party inverter compatibility
Why Choose Us?
Welion Battery Europe is your trusted partner for energy storage solutions in Central and Eastern Europe.
Local Presence
Regional offices and warehousing across Central and Eastern Europe for quick support.
Rapid Response
Immediate technical support and spare parts availability across the CEE region.
Expert Team
Skilled engineers and energy consultants dedicated to your success.
EU Compliance
All products meet European standards, certifications, and safety requirements.
Let's de-risk your BESS project
Request a free site assessment with HUPX-based ROI modelling β and a Hungarian DSO-compliant design from day one.
Request Site Assessment