Privacy Policy

1. Data Controller

Reinhold Degenfellner
4048 Puchenau
Österreich

2. Data We Collect

When you use our service, we collect the following information:

• Authentication Data: Email address, name, profile picture (via Google OAuth or email magic links)
• Charger Data: Serial number, API token, RFID card names, energy consumption readings
• Usage Data: Billing calculations, selected preferences (grid region, aWATTar settings)
• Session Data: Login sessions stored in encrypted cookies

3. How We Use Your Data

• Authenticate and manage your account
• Fetch energy consumption data from your go-e charger
• Calculate billing based on aWATTar spot market prices and Austrian grid fees
• Optimize charging times using aWATTar price barriers
• Display your consumption and cost data in the dashboard

4. Data Storage and Security

Your data is stored in a PostgreSQL database hosted on Railway.app. Charger API tokens are encrypted using Fernet symmetric encryption. Session cookies use HTTPS-only flags and are encrypted with a secret key.

5. Third-Party Services

• Google OAuth: For authentication (optional)
• Mailjet: For sending magic link emails (optional)
• aWATTar API: For fetching electricity spot market prices
• go-e Charger API: For fetching your charger's energy data

6. Your Rights (GDPR)

Under the GDPR, you have the right to:

• Access your personal data
• Rectify inaccurate data
• Request deletion of your data
• Object to processing
• Data portability

To exercise these rights, contact us at [contact email].

7. Cookies

We use session cookies to maintain your login state. These are essential for the service to function and expire after 7 days or when you log out.

8. Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated date.