Blykalla Seeks Swedish Government Support for Advanced Nuclear Reactor Project
Swedish nuclear technology developer Blykalla has applied for financial support under the government’s major nuclear investment programme, becoming the second company to seek access to billions of crowns in loans and price guarantees designed to accelerate new nuclear power generation.
The application marks another step in Sweden’s effort to expand nuclear energy production as the country prepares for rising electricity demand and seeks to strengthen long-term energy security.
Blykalla Plans Advanced Reactor Park Near Gavle
Blykalla intends to build an advanced reactor park near the city of Gavle using its proprietary lead-cooled small modular reactor (SMR) technology.
Chief executive Jacob Stedman confirmed that the company has submitted its application and is preparing to begin negotiations with the Swedish government regarding potential support.
While Stedman did not disclose the amount sought, he noted that projects of this scale generally require investment running into tens of billions of Swedish crowns.
The company is developing 55-megawatt reactors based on a modernised version of lead-cooling technology originally developed for Russian nuclear submarines during the 1950s.
If completed, the planned facility would generate approximately 330 megawatts of electricity, enough to supply around 150,000 households. Blykalla expects power generation to begin during the first half of the 2030s.
Sweden Expands Nuclear Ambitions
Blykalla follows state-owned utility Vattenfall as the second applicant to Sweden’s nuclear financing programme.
Vattenfall is pursuing plans to construct between three and five small modular reactors at its Ringhals nuclear site in southwestern Sweden.
The Swedish government has placed nuclear energy at the centre of its long-term energy strategy. Officials forecast that national electricity demand could double by 2045 due to industrial expansion, electrification and broader economic growth.
To support new projects, the government has introduced one of Europe’s most ambitious nuclear financing packages, including up to 440 billion Swedish crowns in low-cost loans, long-term price guarantees lasting 40 years and support for nuclear waste management.
The programme aims to encourage the construction of at least 5,000 megawatts of new nuclear capacity.
Government Backs Major Nuclear Investments
In addition to the broader financing framework, the government plans to take a majority stake in Videberg Kraft, Vattenfall’s nuclear development subsidiary.
Officials have also proposed providing up to 34 billion crowns in funding for the venture.
Before construction can begin, new nuclear facilities must receive approvals from multiple authorities, including the Swedish government, the national nuclear regulator, the environmental court and the European Union.
These approval processes are expected to take several years before projects can move into full-scale development.
Debate Continues Over Sweden’s Energy Future
The government’s nuclear expansion plans have generated debate among policymakers and energy experts.
Supporters argue that additional nuclear generation will provide reliable, low-carbon electricity and improve energy security while supporting future industrial demand.
Critics contend that renewable energy sources, particularly onshore wind power, could be deployed more quickly and at lower cost. They also question whether electricity demand will increase as sharply as government forecasts suggest.
Sweden’s electricity consumption has remained relatively stable since the 1990s, largely due to improvements in energy efficiency across households and industry.
Long-Term Goal Targets Major Capacity Growth
The government ultimately aims to add generating capacity equivalent to roughly 10 new full-scale nuclear reactors by 2045.
That expansion would supplement Sweden’s existing fleet of six operational reactors and help meet future energy needs while maintaining low carbon emissions.
Sweden already has one of the cleanest electricity systems in Europe, with approximately 98% of power generation coming from fossil-free sources. Hydropower, nuclear energy and wind power currently provide the majority of the country’s electricity.
With inputs from Reuters

