Why does Estonia sometimes have a different price than Finland?

When cross-border transmission capacity (NTC) between two zones is full, prices decouple. EE-FI on EstLink is a frequent example, high Finnish demand pulls the FI price up, and if the EE→FI line is at capacity, EE clears below FI.

Is the next day already shown?

After the SDAC auction publishes, tomorrow’s 96 quarter-hour prices are appended to this feed. Before publication, the feed ends with the latest already-cleared delivery interval.

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Estonia day-ahead spot price

Name: Estonia day-ahead spot price
Creator: Volton
License: https://creativecommons.org/licenses/by/4.0/

The 15-minute day-ahead clearing price for the EE bidding zone, set by the SDAC pan-European auction each day. The reference price for nearly every Estonian electricity contract. Sourced from Nord Pool / ENTSO-E, refreshed hourly.

Concepts

Day-ahead market Nord Pool Bidding zone Market coupling (SDAC + SIDC)

Methodology

The day-ahead market clears once each day via the EU Single Day-Ahead Coupling (SDAC). Since 1 October 2025, each connected bidding zone gets one price per 15-minute market time unit for tomorrow; older observations are hourly. Nord Pool runs the matching for the Nordic-Baltic region.

The clearing price is the highest accepted bid in each direction (sell / buy) at the equilibrium volume. Every accepted seller and buyer pays / receives this single uniform price.

FAQ

Why does Estonia sometimes have a different price than Finland?: When cross-border transmission capacity (NTC) between two zones is full, prices decouple. EE-FI on EstLink is a frequent example, high Finnish demand pulls the FI price up, and if the EE→FI line is at capacity, EE clears below FI.
Is the next day already shown?: After the SDAC auction publishes, tomorrow’s 96 quarter-hour prices are appended to this feed. Before publication, the feed ends with the latest already-cleared delivery interval.

Get this data

JSON download and stable URL pattern available on the developer API page.

↓ JSON API docs →https://public-data.volton.energy/v1/day-ahead-spot/latest.json

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