This Privacy Policy describes how your information is collected, used, and stored when you use Zevvi. We prioritize your privacy and data security.
What Data We Collect
Account Information: When you log in with Google, we collect your Google profile ID, email address, and name. This is used solely for authentication.
myenergi Credentials: Your Hub Serial Number and API Key are collected to allow Zevvi to fetch energy data from the myenergi cloud.
Energy Data: We collect and store historical and live energy consumption, generation, and device status (zappi/harvi) to provide the Zevvi features and cost analysis.
How We Use Your Data
Your data is used specifically to:
Display interactive charts and historical energy trends.
Calculate costs based on your configured electricity tariffs.
Enable remote control of your zappi device modes and boost settings.
Provide a consolidated view of your home energy ecosystem.
Third-Party Disclosure
Zevvi is an unofficial third-party application. To function, it must interact with:
myenergi: Your credentials are used to fetch data from the myenergi cloud.
Supabase: Your data is stored in a private database instance hosted by Supabase.
Vercel: The application is hosted on Vercel's serverless platform.
Google: Used for secure single sign-on (OAuth).
Your Rights (GDPR)
Under the GDPR, you have the following rights regarding your personal data:
Right to Portability
You can export your energy data as a CSV at any time from the Settings page.
Right to Erasure
You can permanently delete your account and all stored data via the Danger Zone in Settings.
Zevvi is an independent project. By using it, you consent to the storage and processing of your data as described above.