Statnett constructed the NSL subsea interconnector between Norway and the UK together with British energy company National Grid. The NSL interconnector connects the Nordic and British energy markets, providing benefits on both sides of the cable.

When UK wind power production is high, prices may be lower than in Norway, and Norway will import power from the UK. This allows Norwegian producers to conserve the water in Norway's many hydropower reservoirs.

When there is less wind and higher prices in the UK, the situation will be the other way around. The British can import power from Norway to a lower price then in the British market.

The advantages of this exchange of energy include:

  • Increased security of supply because one can import more electricity at a lower price when the power situation is tight
  • Increased market for power producers when there is a surplus of power in the national market
  • Facilitation of higher production and consumption of renewable energy in Norway and the UK, thereby contributing to increased renewable energy production
  • More predictable supply situation throughout the year and from year to year