| Power from waste and biomass Alfa Laval selected for BECCS Stockholm their carbon emissions). It describes these pillars The basic plan.


KVV8 CHP plant, left, capture facility, centre. Image: Stockholm Exergi


Alfa Laval has been selected by Saipem to supply heat transfer technology for Stockholm Exergi’s BECCS (bioenergy with carbon capture and storage) project. The facility, BECCS Stockholm, is expected to begin operation in 2028 and will capture, liquify, and permanently store up to 800 000 tonnes of CO2


annually. The carbon dioxide will


be captured from Europe’s largest biomass-based combined heat and power plant, KVV8, at the Värtaverket site in the port area of Stockholm. Alfa Laval’s heat transfer solutions will play a crucial role in the project, maximising system efficiency and heat recovery. “Carbon capture at this scale is one of the most demanding thermal engineering challenges in the energy transition and effective energy recovery is what ultimately makes it commercially viable,” says Thomas Møller, President of the Energy Division, Alfa Laval. Alfa Laval will supply its Ziepack gas–gas heat exchanger technology alongside process plate- and-frame heat exchangers, crucial for maximising system efficiency and heat recovery, and integral parts of the core capture process. The equipment package has been selected by Saipem as part of its EPC contract for the Stockholm Exergi BECCS facility. KVV8, with an installed capacity of 135 MWe/330 MWt, burns wood chips derived from forestry and sawmill residues, bark, branches and treetops, and employs a circulating fluidised bed boiler plus automation supplied by Austria based Andritz.


Rather than amines, BECCS Stockholm plans to employ Catacarb Enhanced Hot Potassium Carbonate (HPC) technology for its core capture system, in conjunction with Capsol’s integrated heat recovery “end-of-pipe solution”, CapsolEoP, which aims to maximise heat re-use and reduce costs.


Stockholm Exergi will work with Northern Lights as its partner for carbon dioxide transport and storage. BECCS Stockholm says its project financing stands on three pillars, government support, EU funding, and substantial revenue from companies that purchase carbon credits (to offset


Visualisation of the BECCS Stockholm capture facility. Image: Stockholm Exergi


as follows: ● Government support. Stockholm Exergi has been awarded funding through the Swedish Energy Agency’s reverse auction for BECCS. The approved support amounts to just over SEK 20 billion and will be paid out continuously for up to 15 years, starting from the initiation of geological storage.


● EU funding. Stockholm Exergi was granted financial support for BECCS from the EU Innovation Fund. The project was selected for its potential to contribute to the transformation of the European energy sector and its ability to mitigate climate change. EU funding amounts to 180 million euro.


● Negative emissions market. Many companies are now interested in purchasing negative emissions. An increasing number of companies are setting ambitious climate goals and plan to reach “net zero.” These companies and organisations form a rapidly growing commercial market for negative emissions and represent the majority of the revenue for BECCS Stockholm.


Rivenhall IWMF enters operational phase


site accepting and processing waste and exporting electricity to the grid, as the plant ramps up towards full operation.


The facility was


developed by Indaver and designed and built by Kanadevia Inova. It is Indaver’s


Rivenhall waste-to-energy facility, UK.


Indaver’s Rivenhall Integrated Waste Management Facility (IWMF) near Kelvedon, Essex, UK, is now well into the operational phase, with the


largest energy-from- waste project to date, representing a total investment of 680


million euros (589 million GBP).


Built within a former quarry, and largely below ground level, the facility, also referred to as a


‘waste-to-X’ facility, was designed to minimise visual impact. It will process up to 595 000 tonnes of non- recyclable household and commercial waste each year, diverting material away from landfill. Generating capacity is 55 MW.


Seamus Flynn, Director Municipal Solid Waste Services for Ireland and UK at Indaver, said: “We’ve now built a plant where we treat waste and produce energy. For Indaver, this is only the start of the story. We want to look at how we best use the electricity, the heat, the carbon and the ash from the facility.”


There are plans for a major greenhouse development adjacent to the site, which would use heat, electricity and CO2


generated by the facility.


In addition, Indaver is exploring opportunities to recover more value from the facility’s bottom ash, including metals and critical raw materials.


www.modernpowersystems.com | October 2026 | 35


Photo: Indaver


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