Our Range of Solutions
Your partner for integrated energy storage systems
in Aachen
Employees
Storage projects that have been put into operation
Customer satisfaction
Our Services
01
Planning
Every project begins with a thorough analysis. We identify your needs, evaluate the economic feasibility, and design the system accordingly. We handle the building permit application and grid connection registration on your behalf—until your project is ready for construction.
- Custom Design
- Custom Design
- Approval & Grid Registration on Your Behalf
02
Implementation
The project will be carried out under a full EPC contract: As the general contractor, we are responsible for everything up to the turnkey handover—components, civil engineering, installation, grid connection, and commissioning. For you, this means: one contract, one point of contact.
- Full-EPC as General Contractor
- Components, Civil Engineering & Installation
- Power Connection & Commissioning
03
Energy Management (EMS)
Our energy management system is at the heart of the comprehensive solution. As the central control system, it coordinates all components and energy flows —ensuring safe, efficient operation across a variety of applications. This reduces costs and provides planning certainty.
- Centralized control of all components
- Open to additional producers, consumers, and marketers
- Ongoing Development of Use Cases
04
Operation & Maintenance
We won’t leave you on your own after commissioning. Our service team monitors your system around the clock and detects anomalies before they turn into malfunctions. If necessary, our technicians will be on site quickly.
- 24/7 remote monitoring
- Technician deployment on site if required
- Regular maintenance & software updates
- Live monitoring - anytime, anywhere
05
Financing
A storage project must be cost-effective—and the right financing helps make that happen. With our partner Deutsche Leasing, you can set up your storage system without a large initial investment: through leasing, rent-to-own, or a customized model.
- Strong partner: Deutsche Leasing
- Funding programs - we keep an eye on deadlines and requirements
- Transparent advice without hidden costs
Your benefits - from start to finish
„Whether a storage project was a success isn’t evident at the time of handover, but only after years of operation.“
David Oudsandji
Co-founder & CEO
Voltfang
Many other providers*
Expert advice
Voltfang
Specialist advice also for complex BESS projects, based on more than 300 projects implemented in-house. In-house battery and trading expertise.
Many other providers
No in-house experience with complex BESS projects, expertise is outsourced to partners.
Contact Person
Voltfang
A single point of contact for every stage of your project.
Many other providers
Several companies are involved, which is why responsibilities and points of contact are sometimes unclear.
Responsibility
Voltfang
Overall responsibility for your battery storage project: from planning to operation.
Many other providers
Often limited to the delivery of hardware.
Permits
Voltfang
Voltfang will handle the necessary grid connection applications and building permits on your behalf, including the documentation required under grid connection guidelines.
Many other providers
Grid registration and building applications are with the operator. Errors cost weeks.
Fire protection
Voltfang
Planned from the very beginning, with storage-specific requirements taken into account. Highest safety standards.
Many other providers
Fire safety requirements are often underestimated, leading to delays in obtaining permits.
Financing
Voltfang
No major upfront investment costs when leasing through our partner, Deutsche Leasing.
Many other providers
Mostly on one’s own initiative.
*Typical scope of services; individual providers may vary.
Perfekt aufeinander abgestimmt
Batteriespeicher mit intelligentem Energiemanagement
Gewerbespeicher
Großbatteriespeicher
Unser smartes Energiemanagementsystem
Das Voltfang EMS ist der Kern unserer Integrationsplattform. Es bringt Speicher, Systeme und Märkte zusammen und schafft aus einzelnen Bausteinen eine leistungsfähige, wirtschaftlich optimierte Energiespeicherlösung.
Frequently Asked Questions
A general contractor is responsible for a storage project as a whole—including planning, permitting, procurement, construction, and commissioning—all under a single contract. Voltfang assumes this role for commercial and large-scale battery storage systems and subsequently manages the facility during operation.
Yes. A dedicated project management team coordinates civil engineering, electrical installation, utility connections, and commissioning—even when we work with partners. We take full responsibility for the project, and you’ll have a single point of contact.
Yes, these services can also be provided individually—for example, just energy management or just operation and maintenance. You’ll get the most benefit if we support you throughout the project, from analysis through to operation.
Support begins as soon as the system is commissioned: Voltfang monitors, maintains, and troubleshoots your storage system throughout its entire service life, with 24/7 monitoring as well as remote and on-site service provided by our own service engineers. For commercial storage systems, there are three service levels to choose from.
Yes. Together with our partner, Deutsche Leasing, we offer leasing and other financing options, making it possible to get started without a large upfront investment. We’ll determine which option is right for you during our consultation.
Minimal. For the free feasibility analysis, we need your load profile or annual consumption, information about your grid connection, and—if available—PV data. It will take you about 10 minutes.
Yes, right from the start. Storage-specific fire safety requirements are already incorporated into the planning and building permit application to prevent delays in obtaining approval later on.