Time-based Data Limitation: Pricing data is only available from January 1st, 2025 onwards. Requests for pricing information before this date might return empty results or errors.
Environment Coverage
Production
Comprehensive data for all supported countries and regions with complete geographic coverage.
Sandbox
Limited subset of data optimized for testing purposes, focusing on key regions in each supported country.
Sandbox Coverage by Country
Available Data
Retailers
Retailers
The following retailers are available in the sandbox environment:
- E.ON (org_883)
- Fortum (org_889)
- Vattenfall AB (org_992)
DSOs / Grid operators
DSOs / Grid operators
Limited to bid zones:
- SE2 (Northern-Central Sweden)
- SE3 (Central Sweden)
Authorities & Taxes
Authorities & Taxes
Recommended Test Locations
- Stockholm: SE3 bid zone (Central Sweden)
- Luleå: SE2 bid zone (Northern-Central Sweden)

Sweden's electrical bid zones - Sandbox coverage highlighted
Testing Outside Available Regions
Using locations outside the available sandbox regions will result in:
- Empty result sets
- “No applicable tariffs found” errors
- Incomplete pricing data
Migration Considerations
When moving from sandbox to production:Update Endpoints
Change API base URL from sandbox to production domain
Replace Tokens
Switch from test tokens to production authentication credentials
Code Compatibility
Your integration code should work without modifications
For testing edge cases with specific DSOs or regions not available in sandbox, contact support@prezio.eu for assistance.