System Integrator · Charger · Inverter · Storage
Power your EV hub beyond grid limits.
Deliver more charging power than your connection was ever sized for — no upgrade, no waiting. Integrated storage makes up the difference, engineered around your site.
Where it fits
Where our system approach makes sense.
Ultra-fast charging for visitors, without disturbing the site’s baseline load.
Overnight and opportunity charging for fleets, peaks balanced across grid and battery.
High-power public charging where drivers expect speed — even on a modest connection.
What it solves
More power, without more grid.
Charging demand over a day
More power than the grid gives
You need more charging power than your grid connection can deliver. The battery supplies the difference, so the hub runs at full output the grid alone could never support.
The cost of more grid
A bigger connection is expensive — or the operator simply won’t grant one. Where it’s possible at all it’s slow and costly, with high connection fees and ongoing capacity charges. Storage sidesteps that: peak shaving keeps demand charges down and defers the upgrade.
Our integrator approach
How we bring the system together.
No two sites are the same. We engineer the balance of charging power, storage and grid connection around yours — then run it all through one layer of intelligence.
Two ways to build it — matched to your project
Inverter paired with a separately sized, oversized battery. For demanding, high-capacity hubs that need to scale.
Each hub carries its own integrated battery. For rapid deployment and space-constrained sites.
All-in-One BESS →
End-to-end responsibility
One partner, one responsibility. From grid integration and commissioning to long-term monitoring, O&M, and service, Volthein carries the whole project. You get a working hub and guaranteed performance, not a set of parts to integrate yourself.
The economics
Why integration pays.
The real decision driver: cost avoided and performance guaranteed, not hardware bought.
DELIVERED, NOT PROMISED.
The integrator promise, already at work: real projects Volthein has carried from engineering and grid integration through commissioning to long-term operation.
A battery supporting local photovoltaics and electromobility: assisting with charging, managing the charging process and trading on SPOT market prices.
A grid-scale system near Klagenfurt providing frequency reserve (FCR, aFRR) and price arbitrage, delivered end to end, from engineering to EMS commissioning and asset management.
Storage for a cable-car operator at 1,521 metres: it stores surplus PV energy and covers fast, unpredictable demand, cutting grid reliance and electricity costs.
READY TO BUILD
YOUR EV HUB?
Tell us about your site: charging power, grid connection and timeline. We’ll come back with the right hub solution within 1 business day.
