Data privacy

Effective as of: April 8, 2026

1. General

This privacy policy informs you about the type, scope, and purpose of the processing of personal data (hereinafter referred to as 'data') within our website and its associated web pages, features, and content. Regarding the terminology used, such as 'processing' or 'controller,' we refer to the definitions in Article 4 of the General Data Protection Regulation (GDPR).

2. Controller

minimum energy GmbH
Siebengebirgsallee 60
50939 Köln, Germany
Represented by: Dr. Leander Kotzur, Stanley Risch, Dr. Felix Kullmann
Contact: support@minimum.energy

3. Types of Processed Data
  • Inventory data (e.g., name, company, role).
  • Contact data (e.g., email address).
  • Content data (e.g., building and energy data, project data, optimization results).
  • Usage data (e.g., features used, access times).
  • Technical data (e.g., IP address, browser, device information).
4. Purpose of Processing
  • Provision of the online offer, its functions, and content.
  • Responding to contact requests and communicating with users.
  • Security measures.
  • Product analysis and improvement.
5. Used Technologies
  • SSL Encryption (HTTPS): To protect the data transmitted via our website, we use SSL encryption.
  • Cookies: Our website uses 'cookies' to improve the usage of our offerings.
6. Mixpanel

To analyze and improve the user experience on our platform, we use the analytics service Mixpanel, operated by Mixpanel Inc., 1 Front Street, 28th Floor, San Francisco, CA 94111, USA. Mixpanel allows us to understand how our application is used, e.g., which features are utilized. Analysis is performed exclusively server-side — no data is stored on or read from your device. Pseudonymized usage data such as feature interactions are collected. Data is processed in the EU (Netherlands). Processing is based on our legitimate interest pursuant to Art. 6(1)(f) GDPR to make our services more user-friendly and efficient. You may object to processing at any time by contacting us at support@minimum.energy.

7. Intercom

We use the service Intercom by Intercom Inc., 55 2nd Street, 4th Floor, San Francisco, CA 94105, USA, for customer support and communication with website visitors. Intercom enables us to contact you via chat widgets, email, and other communication channels. The legal basis is Art. 6(1)(f) GDPR (legitimate interest in efficient customer communication) or Art. 6(1)(a) GDPR for voluntary use of the chat widget. Intercom is certified under the EU-U.S. Data Privacy Framework, ensuring an adequate level of data protection. Data is stored on servers in the USA. You may object to data processing by Intercom at any time by not using the chat.

8. Sentry

To monitor and improve the technical stability of our website, we use Sentry, a service by Functional Software, Inc., 45 Fremont Street, San Francisco, CA 94105, USA. Sentry collects technical data (e.g., device type, browser, error messages, time of occurrence) to analyze errors and resolve their causes. Processing is based on our legitimate interest pursuant to Art. 6(1)(f) GDPR in the stability and security of our services.

9. Mailgun

For sending transactional emails (e.g., registration confirmations, password resets, notifications) we use the service Mailgun by Sinch Email (Pathwire GmbH). Email address, name, and email content are transmitted to Mailgun. Processing takes place on servers in the EU (Frankfurt). The legal basis is Art. 6(1)(b) GDPR (performance of contract). A data processing agreement pursuant to Art. 28 GDPR is in place.

10. Featurebase

For collecting user feedback and managing our product roadmap, we use the service Featurebase by CORDNET OÜ. Name and email address may be processed. Processing takes place in the EU. The legal basis is Art. 6(1)(f) GDPR (legitimate interest in improving our product). You may object to processing at any time pursuant to Art. 21 GDPR.

11. External Links

This website contains links to external websites of third parties, over whose content we have no influence. Therefore, we cannot assume any liability for these external contents.

12. Hosting

Our platform is hosted by Hetzner Online GmbH (ISO 27001 certified) in Germany. We process inventory data, contact data, content data, contract data, usage data, meta and communication data of customers and users based on our legitimate interests in an efficient and secure provision of this online offer according to Art. 6(1)(f) GDPR in conjunction with Art. 28 GDPR. Database backups are stored with Amazon Web Services (AWS EMEA SARL) in the EU region Frankfurt.

13. Your Rights

You have the right to receive information about the personal data processed by us, as well as the right to correction or deletion, restriction of processing, objection to processing, and the right to data portability. You also have the right to file a complaint with a supervisory authority.

14. Single Sign-On

To simplify your access to our services, we offer the option of Single Sign-On. You can log in to our website using existing login data of a third-party provider (e.g., Google or Facebook). When using this function, certain information from your third-party provider account is transferred to us.

15. Use of Google Geocoder

Our website uses the Google Geocoder service to convert addresses into geographic coordinates and vice versa. Your entered address data is transmitted to Google for geographic localization. We use this information exclusively for location determination and improving our offer.

16. Use of Amazon S3

Our website uses Amazon Simple Storage Service (Amazon S3) by Amazon Web Services EMEA SARL (AWS) for storing and providing media files. Storage is performed in EU data centers (Frankfurt region). AWS processes data on our behalf. More information: https://aws.amazon.com/privacy/

17. Changes to the Privacy Policy

We reserve the right to change this privacy policy to adapt it to changed legal situations, or in the event of changes to the service and data processing.