We are pleased to announce that Quintessa is now a member of Offshore Energies UK (OEUK), the leading trade association for the UK offshore energy industry, a not-for-profit membership organisation ...

Quintessa has recently provided an independent review of containment risks in the Endurance aquifer for CO₂ storage of the Northern Endurance Partnership (NEP)’s Carbon, Capture, Usage and Storage ...

PITZER is a PHREEQC version of the Yucca Mountain EQ3/6 thermodynamic database that includes 'Pitzer data' to parameterise the activity coefficients of aqueous species.

The 2025 Employee Ownership Association (EOA) Annual Conference was held on 25th and 26th November at Telford International Centre, and was attended by Josh Nicholas and Vicky Newling on behalf of ...

System analysis methods have been widely applied in the field of safety and performance assessment for radioactive waste disposal and geological storage of carbon dioxide. As part of the analysis, the ...

Quintessa is pleased to announce that it has made the shortlist of six companies selected by the Employee Ownership Association (EOA) for its employee-owned business of the year award. The award is ...

Richard Metcalfe attended the conference and gave a presentation on the importance of using multiple lines of evidence in the containment risk assessment (CRA) for underground storage of CO₂. Such an ...

Quintessa recently participated in the 7ᵗʰ workshop of the DECOVALEX project, hosted by the Korean Atomic Energy Research Institute (KAERI) in Busan, South Korea. The DECOVALEX project (DEvelopment of ...

Alan Paulley, Paul Suckling and Peter Webb recently attended the WM2025 conference in Phoenix, Arizona. This year's event had a cross-conference theme on advanced technologies, artificial intelligence ...

Quintessa has recently released updates for two of its free software tools, Graph Grabber and Portfolio Picker. Both new versions are available to download from the Quintessa website. The new version ...

Nagra has submitted a general licence application (RBG) for a deep geological repository for low- and intermediate-level waste (L/ILW), alpha-toxic waste (ATW) and high-level waste (HLW) in the ...