Eurostat: Net Import and Export of Electricity between European Countries 2024.

A source for the data can be found here: https://www.euronews.com/business/2025/10/17/electricity-trade-in-europe-who-imports-and-who-exports-the-most

Note that both the 2023 and the 2024 data shows that Sweden exporter more electricity to the rest of Europe than Norway.