Sweden plans to rebuild its grid in the southwest, possibly affecting Sweden's electricity supply to neighboring countries

Swedish power grid operator Svenska Kraftnat (SVK) said that Sweden plans to rebuild the grid in a densely populated southwest region, a plan that could affect Sweden's electricity supply to neighboring countries.

According to the plan, about 400 kilometers of transmission lines will be gradually replaced in the next decade, but the region is the main power trading area of ​​Sweden, Norway, Denmark and Germany. Cheap and abundant hydropower from Norway flows through Sweden to Germany, Denmark and other countries.

SVK did not provide any details on interconnection, as the grid upgrade is still in the planning stage. But it said that if work is not done, the risk of unplanned outages or blackouts will rise.

SVK issued a statement saying, "In 2018, the oldest 400 kV high-voltage transmission line in the transmission grid has been in service for 70 years. Some 220 kV transmission lines have been in service for a longer period of time. Except for reconstruction, it has been unable to repair."

It is reported that Sweden's power grid reconstruction plan will cost about 342 million US dollars and need to retire some local routes for international power trade.

SVK said: "The existing part of the power line needs to be discontinued during the new power line, which will inevitably have an impact on the power trade."

In addition to upgrading transmission lines, substation and other related equipment have been upgraded or rebuilt, including 30 substations, 15 control facilities and nearly 500 high-voltage equipment.

SVK added that the reconstruction of transmission lines will not pose a risk to the energy-consuming data center power supply in the region.

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