Norway's power production surplus is expected to fall significantly by 2026, with the south of the country moving into deficit owing to rapidly increasing demand, power grid operator Statnett said on Friday.

Power demand in Norway is expected to grow to 158 terawatt hours (TWh) by 2026, up by 19 TWh from current levels, driven by demand from offshore oil and gas platforms and new onshore consumers, such as data centres, Statnett said in its latest market analysis.

The biggest increase is expected in the southern part of the country, where the most of Norway's power-intensive industries are located, along with new projects such as electrification of the Johan Sverdrup and surrounding offshore fields.

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Last year total generation was 154TWh, mostly hydro. It balances the grid in Denmark and is used increasingly by Germany and UK. So 158TWh is 4TWh more than it supplies. And of course add in future EV's and consumption grows again.