Data Protection

Privacy policy

February 2026

1. Introduction

SOLARSPLIT SA ("we", "our", "us") is committed to protecting the privacy of users of our platform, mobile applications (iOS and Android), and website. This privacy policy explains how we collect, use, store, and protect your personal data, in accordance with the Swiss Federal Act on Data Protection (nFADP) and the General Data Protection Regulation (GDPR).

2. Data Controller

SOLARSPLIT SA
c/o Microcity SA
Rue de la Pierre-à-Mazel 39
2000 Neuchâtel, Switzerland
Email: info@solarsplit.com

3. Data Collected

We collect the following categories of data:

3.1 Account Data

  • Identification information (first name, last name, email address)
  • Contact information (postal address, phone number)
  • Authentication data (encrypted password, sessions)

3.2 Solar Project Data

  • Building address and geolocation
  • Roof characteristics (surface area, orientation, inclination)
  • Declared energy consumption data
  • Production simulations and ROI calculation results

3.3 Monitoring Data

  • Real-time energy production data (via your inverters)
  • Login credentials for manufacturer platforms (stored encrypted)

3.4 Technical and Usage Data

  • Anonymous device identifier (IDFV on iOS, Android ID) — this identifier is specific to our application and does not allow tracking across other applications
  • Platform (iOS/Android), app version, operating system version
  • Timezone and language preferences
  • Usage milestones: we record the first occurrence of certain key actions (e.g., first simulation started, first project sent) to improve the user experience. This data is aggregated and is not subject to individual profiling

3.5 Geolocation Data

  • Addresses entered during simulations (GPS coordinates, postal code, EGID identifier)
  • Approximate location for finding nearby installers (only with your permission)

4. Legal Basis for Processing

We process your data on the following legal bases:

  • Contract performance: provision of our simulation, installer matching, and monitoring services
  • Legitimate interest: improvement of our services, aggregated usage analysis (milestones), platform security
  • Consent: sending newsletters, sharing your data with third-party installers
  • Legal obligation: retention of data required by Swiss law

5. Use of Data

Your data is used to:

  • Provide our solar simulation and profitability calculation services
  • Connect you with qualified installers from our network
  • Ensure the monitoring of your solar installations
  • Improve the user experience through aggregated journey analysis (without individual profiling)
  • Send you communications related to your project
  • Ensure the security and proper operation of our services
  • Comply with our legal obligations

6. Data Sharing

We share your data only with:

  • Qualified installers from our network (only with your explicit consent, as part of your project)
  • Hosting: our servers are hosted in Europe (Heroku/Salesforce)
  • File storage: Amazon Web Services (AWS S3), Europe region
  • Transactional emails: Mailgun (for confirmations, password resets)
  • Push notifications: Firebase Cloud Messaging (Google) — only the notification token, no analytical data
  • Competent authorities if required by law

7. Data Retention

  • Account data: retained as long as your account is active, then deleted within 90 days of account deletion
  • Project data: retained for the duration of your project and 5 years after completion (legal obligations)
  • Usage data (milestones): retained in aggregate form, anonymised after account deletion
  • Monitoring data: retained as long as the monitoring configuration is active

8. Data Security

We implement appropriate technical and organisational measures to protect your data:

  • Data encryption in transit (TLS/HTTPS)
  • Authentication via secure tokens (JWT)
  • Passwords stored as hashes (never in plain text)
  • Restricted data access following the principle of least privilege

9. Your Rights

In accordance with the nFADP and the GDPR, you have the following rights:

  • Right of access: obtain a copy of your personal data
  • Right to rectification: correct inaccurate data
  • Right to erasure: request the deletion of your data
  • Right to data portability: receive your data in a structured format
  • Right to object: object to the processing of your data
  • Right to withdraw your consent at any time, without affecting the lawfulness of prior processing

To exercise these rights, contact us at info@solarsplit.com. We will respond within 30 days.

If you believe that the processing of your data violates your rights, you may file a complaint with the Federal Data Protection and Information Commissioner (FDPIC) or the competent supervisory authority in your country of residence.

10. Cookies and Similar Technologies

Our website currently does not use tracking cookies or third-party analytics tools. Only strictly necessary technical cookies may be used for the operation of the site. We will inform you and request your consent should this change.

11. Changes

We reserve the right to modify this privacy policy at any time. The date of the last update is indicated at the top of this page. In the event of a substantial change, we will inform you by email or through our applications.

12. Contact

For any questions regarding your personal data or this privacy policy, contact us at: info@solarsplit.com

SOLARSPLIT SA · c/o Microcity SA · Rue de la Pierre-à-Mazel 39 · 2000 Neuchâtel, Suisse