XTRA-E® Investment | Participation in Renewable Energies with Return

Locations of the XTRA-E^® Brand

Regional presence in Germany and the Netherlands – close to customers, partners, and markets.

Erbach (D): Headquarters & Research Center
Bielefeld (D): Sales Management & Business Angels
Ebersberger Forst (D): Engineering Services Management
Straußfurt (D): Construction Management and Organization
Aschaffenburg (D): Project Management Leadership
Mainz (D): Landowner Support Management
Mannheim (D): Competence Center for Properties & Technology Partnerships
Frankfurt (D): Meeting and Presentation Center
Munich (D): Meeting and Presentation Center & Connection Management
Düsseldorf (D): Meeting and Presentation Center
Hamburg (D): Meeting and Presentation Center
Berlin (D): Meeting and Presentation Center & Financial Services
Rotterdam (NL): International Meeting and Presentation Center
Amsterdam (NL): International Meeting and Presentation Center

The brand XTRA-E^® is part of the Green Shark Group and operates at strategically selected locations in Germany and Europe. The decentralized structure enables short distances, quick response times, and close collaboration with customers and partners.

XTRA-E® Locations in Germany and the Netherlands

XTRA-E^® Investments for Private Investors

Safely invest in the energy transition – starting from €1,000 with attractive returns and maximum risk protection.

Attractive Returns through Direct Participation: Benefit from increasing demand for renewable energy with average returns of 3–6% p.a.
Start from €1,000: Low entry threshold – energy projects are now accessible even for private investors.
Future-Proof Investment: Invest in renewable energies such as solar, wind, and storage technology – in demand today and tomorrow.
Transparent Earnings Models: Monthly or annual payouts with traceable revenue sources.
Take Advantage of Tax Benefits: Many projects offer tax-advantaged earnings or depreciation opportunities.
Help Shape the Energy Transition: Your capital makes a difference – protect the environment while creating value.
Diversified Project Portfolio: Risk spreading through participation in multiple regionally and technologically diverse energy projects.
Expertise from 15+ Locations: Technical and economic planning by experts from Erbach, Bielefeld, Munich & more – first-hand quality.
Fixed Feed-in Tariffs (EEG): Long-term income security through legally guaranteed compensation for renewable electricity.
Long-term PPA Contracts (Power Purchase Agreements): Additional income security through fixed purchase prices with industrial partners.
Independent Audits & Certification: All projects are reviewed for economic viability and technical quality by external experts.
Regular Reporting Tools: Online portals with real-time data on revenue, operations, and maintenance – full transparency for investors.
Legal Security through German Corporate Structures: Participation via German GmbH & Co. KG – clear legal framework and investor protection.

Attractive Opportunities for XTRA-E^® Brokers & Partners

Economic benefits, security, support, and professionalism.

Fair and Long-Term Commissions: Attractive, one-time and/or recurring compensation for every successful referral.
Exclusive Partner Regions: Secure your territory – no competing referrals from us or third parties.
Digital Partner Portal: Real-time tracking, document access, and automated commission visibility.
Complete Contract and Information Materials: Legally secure documents, sample exposés, presentations, and fact sheets for immediate use.
Training & Webinars: Regular training on products, taxes, and investor conversations.
Presentation Appointments at Meeting Centers: Use our locations in Berlin, Frankfurt, Munich & Rotterdam for client meetings and investor events.
No Liability Risk: As a broker, you operate under strict prospectus obligations – we provide complete documentation.
Marketing Support: Joint campaigns, lead generation, and professional promotional materials.

Privacy Policy

Effective Date: May 2025 | Information obligations pursuant to Articles 13 and 14 of the GDPR

1. Data Controller

The entity responsible for processing personal data on this website is:

Green Shark Group
In den Rosengärten 27
64711 Erbach
Germany
Email: DSGVO
Phone: +49 6021 422 9164 0
Represented by: Thomas Heilmann

2. Contact Details of the Data Protection Officer

Our internal data protection officer is available to answer any questions or concerns regarding data protection:

Thomas Heilmann
Email: DSGVO
Mailing Address: In den Rosengärten 27, 64711 Erbach, Germany

3. General Information on Data Processing

We process personal data of our users only to the extent necessary to provide a functional website and our services. All data processing complies with the General Data Protection Regulation (GDPR) and national data protection laws.

Data processing occurs under the following legal bases:

Article 6(1)(a) GDPR: Based on user consent
Article 6(1)(b) GDPR: To fulfill a contract or pre-contractual measures
Article 6(1)(f) GDPR: For legitimate interests

4. Collection of Personal Data When Visiting the Website

Each time our website is accessed, our system automatically collects data and information from the accessing device. The following data is collected:

User's IP address
Date and time of access
Name and URL of the requested file
Referring webpage (referrer URL)
Browser type and version
Operating system
Language settings
Screen resolution

The data is stored in our server log files. Personal data is not combined with other user data.

The legal basis for temporary data storage is Article 6(1)(f) GDPR. The purpose is to ensure website functionality and detect/prevent attacks. No marketing analysis is performed.

Data is deleted once it is no longer needed for the purpose of collection. For session data, this occurs when the session ends.

5. Contact Form and Email Contact

You can contact us via our contact form or email. Submitted data (e.g., name, email, phone number, message) is stored to process your inquiry.

The legal basis is Article 6(1)(f) GDPR. If the contact initiates a contract, additional legal basis is Article 6(1)(b) GDPR.

Your data is only shared internally and not passed to third parties unless legally required or you have explicitly consented.

Data is deleted once no longer needed, typically after communication ends, but no later than 6 months, unless legal retention periods apply.

6. Cookies

Our website does not use cookies for tracking or marketing. Only technically necessary cookies (session cookies) are used to enable specific functions (e.g., contact form).

These cookies are automatically deleted when the browser session ends. No long-term storage occurs.

Technically necessary cookies are used under Article 6(1)(f) GDPR to ensure usability and secure operation.

You can disable or delete cookie storage in your browser settings. Disabling may impair website functionality.

7. Google Maps (if used)

We use Google Maps (Provider: Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland) to display maps and generate route plans.

When Google Maps is accessed, data is transmitted to Google servers (e.g., IP address, location). We note that Google may process this data in the USA. Google complies with the EU-US Data Privacy Framework (DPF).

Use of Google Maps is based on our legitimate interest in user-friendly location display (Article 6(1)(f) GDPR).

For more information on Google's data handling, see the Google Privacy Policy.

8. Rights of Data Subjects

You have the following rights regarding your personal data:

Right to Access (Article 15 GDPR)
Right to Rectification of incorrect data (Article 16 GDPR)
Right to Erasure ("Right to be Forgotten", Article 17 GDPR)
Right to Restrict Processing (Article 18 GDPR)
Right to Data Portability (Article 20 GDPR)
Right to Object to processing (Article 21 GDPR)

To exercise any of these rights, please contact the details provided above.

You also have the right to file a complaint with a data protection authority. The competent authority is usually in your habitual residence, workplace, or our company's headquarters.

9. Data Security

We implement comprehensive technical and organizational measures to protect your personal data against accidental or intentional manipulation, loss, destruction, or unauthorized access. Our security procedures are regularly reviewed and updated to meet technological standards.

Data transmission occurs via encrypted HTTPS (SSL/TLS).

10. Changes to This Privacy Policy

We reserve the right to update this privacy policy to reflect changes in legal or technical conditions. The current version is always available on this page.

11. Severability Clause

If any provision of this privacy policy is wholly or partially invalid or unenforceable, the validity of the remaining provisions remains unaffected. An effective provision shall replace the invalid one, coming as close as possible to its economic intent.

Terms and Conditions (T&Cs)

Effective Date: May 2025 | Valid for the use of www.XTRA-E.com

1. Scope

These Terms and Conditions apply to the use of the website www.xtra-e.com, as well as www.xtra-e.de (hereinafter "Website"), and all offers, services, and communications between users and the website operator.

The website operator is:

Green Shark Group
In den Rosengärten 27
64711 Erbach
Germany
Email: info@xtra-e.com
Phone: +49 (0)6021 422 9164 0
VAT ID: DE194805779
Managing Director: Thomas Heilmann

Any conflicting terms from the user are not accepted unless explicitly agreed upon.

2. Website Usage

The website is generally freely accessible to all users. The operator provides the website and its content (texts, images, graphics, functions) as far as technically and economically feasible.

Each user agrees to use the website solely for lawful purposes and particularly:

Not to disseminate illegal, offensive, or immoral content
Not to perform automated queries (e.g., bots, scraping)
Not to launch attacks on the IT infrastructure (e.g., hacking, DDoS)
To respect third-party copyrights and trademark rights

In case of violations, the operator reserves the right to block access and initiate legal action.

3. Offers and Services

The website provides information on services in the renewable energy sector, particularly land leasing for solar plants.

All offers on the website are non-binding and without obligation. The operator clarifies that information (e.g., compensation, durations, locations) is non-binding and does not create any legal claims.

A contract is only formed through written confirmation (e.g., by email or signed contract).

4. Contact and Inquiries

Users can submit inquiries via the contact form or by email. By submitting an inquiry, they agree that their personal data will be stored and processed for handling the request (see also Privacy Policy).

The operator strives to respond promptly but assumes no liability for delayed or missed responses.

5. Ownership and Copyright

All content on this website (texts, images, logos, graphics, software, layout) is protected by copyright and owned by XTRA-E GmbH or licensed third parties.

Any reproduction, modification, distribution, or use beyond the narrow limits of copyright law requires the written consent of the rights holder.

In particular, downloading, copying, or automated saving of content for commercial purposes is prohibited.

6. Disclaimer of Liability

The website operator does not guarantee the accuracy, completeness, or timeliness of the provided information. Use is at your own risk.

Liability for damages arising directly or indirectly from the use of the website is – to the extent legally permissible – excluded.

This does not apply to:

Intentional or grossly negligent breaches
Violations of life, bodily integrity, or health
Warranty obligations or mandatory statutory liability (e.g., under product liability law)

7. External Links

The website contains links to third-party websites. The operator has no influence on their content and assumes no liability for them. Responsibility for linked content always lies with the respective provider or operator.

Such links will be removed immediately upon discovery of legal violations.

8. Changes to the T&Cs

The operator reserves the right to change or supplement these T&Cs at any time, particularly due to legal updates or technical developments.

The current version is always available on this page. Continued use of the website after publication of updated T&Cs constitutes acceptance.

9. Severability Clause

If any provision of these T&Cs is wholly or partially invalid or unenforceable, the validity of the remaining provisions remains unaffected. An effective provision shall replace the invalid one, coming as close as possible to its economic intent.

10. Final Provisions

German law applies, excluding the UN Convention on Contracts for the International Sale of Goods (CISG).

The place of jurisdiction for all disputes arising from or in connection with the website use is – to the extent legally permissible – Berlin.

Consumers may resolve disputes via the EU online dispute resolution platform: https://ec.europa.eu/consumers/odr.

Imprint & Contact

Information according to § 5 TMG

Company: Green Shark Group
Brand: XTRA-E^® – registered trademark (DPMA Reg. No. 30.2025.107.940)
Headquarters: In den Rosengärten 27, 64711 Erbach, Germany
Phone: +49 6021 422 9164 0
Email: info@xtra-e.com

Responsible for content according to § 55(2) RStV:
Green Shark Group
In den Rosengärten 27
64711 Erbach, Germany

The brand XTRA-E^® is a registered trademark at the German Patent and Trademark Office (DPMA).

Contact Form

Name*

Email*

Subject*

Message*

XTRA-E^® Storage Cashback

Utilize intelligent power storage with arbitrage – high returns through digital energy market control.

Investment Costs (Capex): €10,337,175.15
Connection Capacity: 12.5 MVA
Cashback Timing: 4.36 years
IRR (10 Years): 11.17%
ROI (10 Years): 129.15%
Average Annual Return (10 Years): 12.91%
IRR (20 Years): 10.66%
ROI (20 Years): 358.30%
Average Annual Return (20 Years): 22.91%

With the XTRA-E^® Storage Cashback model, the Green Shark Group offers a high-return investment in future-oriented power storage plants. Automated trading strategies on the energy market (arbitrage) ensure high utilization and stable cash flow generation.

XTRA-E® Power Storage Plants – Intelligent Energy Use

XTRA-E^® Mobility Cashback

Charge your e-mobility – and profit at the same time. Your charging station becomes a return-generating asset.

Investment Costs (Capex): €1,480,494.75
Connection Capacity: 2,500 kVA
Cashback Timing: after 6.23 years
IRR (10 Years): 8.14%
ROI (10 Years): 77.37%
Average Annual Return (10 Years): 7.74%
IRR (20 Years): 10.27%
ROI (20 Years): 360.47%
Average Annual Return (20 Years): 23.02%

The XTRA-E^® Mobility Cashback model combines e-mobility infrastructure with economic returns. Charging parks are operated at strategic locations and made profitable through usage fees, partnerships, and energy market integration.

Become an Investor Now

XTRA-E® E-Mobility – Charging Parks with Return Potential

Your Asset. Our Expertise.Building Value Together.

Locations of the XTRA-E® Brand

XTRA-E® Investments for Private Investors

Attractive Opportunities for XTRA-E® Brokers & Partners