Your Property. Our Knowledge.
Together into the Future.

Locations of the XTRA-E^® Brand

Supra-regional presence in Germany, Netherlands, Belgium, Luxembourg, and Switzerland.

• Erbach (D): Company headquarters & research center
• Bielefeld (D): Competence center
• Magdeburg (D): Coworking Space
• Stuttgart (D): Coworking Space South region
• Aschaffenburg (D): Head of Project Management
• Mainz (D): Coworking Space Properties
• Mannheim (D): Coworking Space Properties
• Frankfurt (D): Meeting and presentation center Central region
• Munich (D): Meeting and presentation center & connection management
• Düsseldorf (D): Meeting and presentation center
• Hamburg (D): Meeting and presentation center North region
• Berlin (D): Meeting and presentation center & financial services
• Rotterdam (NL): International meeting and presentation center
• Amsterdam (NL): International meeting and presentation center
• Bertrange (L): International meeting and presentation center
• Zurich (CH): International Coworking Space
• Brussels (BE): International Coworking Space

XTRA-E^® Investments for Retail Investors

Invest safely in the energy transition – from as little as €1,000 with attractive returns.

• Attractive returns: 3–6 % p.a.
• Join from €1,000: Low entry threshold
• Future-proof investment: Solar, wind, and storage technology
• Transparent earnings models: Monthly or annual distributions
• Use tax advantages: Tax-privileged earnings
• Help shape the energy transition: Protect the environment while creating value

XTRA-E^® Storage Cashback

Intelligent storage systems use arbitrage – high returns.

• Investment costs: €10,337,175.15
• Connection capacity: 12.5 MVA
• Cashback point: 4.36 years
• IRR (10 years): 11.17 %
• ROI (10 years): 129.15 %

XTRA-E^® Planning Office

Professional PV planning for private, commercial, and installation businesses.

• Dimensionally accurate 3D visualization
• Site-specific yield simulation
• Optimal sizing of modules, inverters, and storage
• Static verification for the module construction
• Electrical circuit diagram according to current standards
• Export-ready parts lists

XTRA-E^® Project

Finally save – without excuses

You don't need expertise. Not time. Not a perfect roof.
Just a moment when you stop getting in your own way.

XTRA-E^® checks free of charge and without obligation whether an economical solution is possible for your property.

XTRA-E^® Press Releases

Building . Values . Together

XTRA-E^® Partner Program

for craft enterprises, service providers, and agencies

The perfect cross-selling product for craft enterprises such as painters, plumbing companies, carpenters, landscapers, etc.

For Investors

Attractive investments in the energy infrastructure of the future.

• Long-term stable returns
• Diversification in the portfolio
• Transparent projects
• Professional asset management
• Low minimum investment – from €1,000

XTRA-E^® storage

Arbitrage with electricity: Intelligent storage, maximum return.

• Attractive returns through electricity price arbitrage
• Long-term cash flows
• Low correlation with capital markets
• Technology risk fully covered
• Scalable investment models

XTRA-E^® Onsite PPA's & PV Contracting

Electricity procurement without investment. Predictable costs. Green energy on site.

• Zero equity
• Long-term low electricity price
• No operational risk, no maintenance costs
• Optimal roof and ground area utilization
• Planning security for 15–20 years

XTRA-E^® Project Management

Strategic energy implementation makes your company future-proof.

• Tailor-made energy concepts
• Increase energy efficiency
• Identification of savings potential
• Integration of renewable energies
• Grant consulting

XTRA-E^® CO₂ Balancing

Transparent emissions. Legally secure reporting. Practiced climate responsibility.

• ISO 14064-compliant calculation
• Fulfillment of CSRD, ESRS, and EU Taxonomy
• Identification of your largest emission sources
• Concrete roadmap for reduction
• Audit-proof documentation

XTRA-E^® IAB Investments

IAB as a lever. Tax optimization. Sustainable asset building.

• Investment with immediate tax effect (IAB)
• Attractive tax deferral effects
• Access to high-return energy projects
• Full control over investment amount
• Professional monitoring