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DHI has released MIKE 2026 Update 1, the latest update to the MIKE Powered by DHI software suite. The release introduces new capabilities across several core products, helping engineers and water professionals streamline workflows, improve result interpretation and gain greater flexibility when modelling and managing complex water environments.

MIKE 2026 Update 1 is available at no additional cost to customers with an active Service Maintenance Agreement (SMA) or subscription.
 
What's new in MIKE 2026 Update 1

MIKE+ introduces a range of enhancements designed to simplify simulation workflows and improve hydraulic and flood modelling. New dynamic result viewing enables users to analyse outputs while simulations are still running, accelerating model evaluation and decision-making. Custom result units make outputs easier to interpret and report, while updates to the Create Flood Raster tool strengthen flood mapping capabilities and improve 1D–2D model integration. 
FEFLOW 11 introduces the new Structural Model Editor, enabling users to build geological models directly within the FEFLOW interface. The new workflow eliminates the need for third-party geological modelling software and is complemented by enhanced Python integration, making it easier to automate model preparation and test multiple model configurations.
WEST introduces new capabilities for wastewater treatment process modelling and dynamic WWTP performance analysis. Highlights include an NDHA model extension for improved N₂O predictions, additional SBR models, enhanced Biofilter process descriptions, support for High Purity Oxygen (HPO) aeration and improved dashboard plot handling for easier result analysis and comparison.
MIKE WaterNet Advisor enhances Leak Locator with new pressure and flow sensor layers plus pressure and flow difference metrics, improving network analysis and leak detection. The release also adds alphabetically sorted bookmarks and a Quick Search for easier map navigation, along with a new Common Edits field for configuring storage tank overflow in hydraulic simulations.
MIKE OPERATIONS streamlines MIKE+ model registration with support for auto-approval, input and output preparation, and start/end time configuration, reducing manual setup and improving workflow consistency. The release also introduces ready-to-use coastal and marine forecasting with MIKE 21 FM, including decoupled workflows and particle tracking for more efficient spill modelling and marine analysis.

 
Availability and more informationMIKE 2026 Update 1 is now available for download, with key features outlined in the release highlights. DHI will also host a series of webinars providing in-depth insight into the new features:                                                                        

25 June | WEST: What’s new in 2026 Update 1
25 June | FEFLOW – From concept to mesh: The new Geomodelling Package in action
30 June | MIKE+ and MIKE WaterNet Advisor – What's new in 2026 Update 1

 
For assistance or to reactivate an expired SMA, please contact your local office. 

DHI appoints new CEO: Birgit Guhse takes over from Mette Vestergaard

After eight years with DHI, the past six years as CEO, Mette Vestergaard passes the baton. The Board of Directors has appointed German executive Birgit Guhse as new CEO, joining the company 1 August 2026. Together with DHI’s leadership team and employees, Birgit Guhse will lead the company’s next phase of growth, strengthen its market relevance, advance knowledge development and enhance profitability.

Birgit Guhse brings more than 20 years of international leadership experience across consulting, infrastructure and the built environment sectors. Most recently, she was Managing Director of the German part of the global consulting company Arcadis. Previously, she held senior leadership positions with, among others, AECOM and Drees &amp; Sommer.
 
Birgit Guhse holds a degree in engineering and a PhD (Dr.-Ing.) from the University of Kaiserslautern and Paris-Lodron University of Salzburg.
 
Thomas G. Schmidt, Chairman of the Board at DHI, said:
'Birgit combines strong commercial acumen with solid operational leadership and a technical background. She has a proven track record of driving growth and leading complex organisations, making her profile an excellent match for DHI. I look forward to welcoming her to the company.'
 
Birgit Guhse said:
'DHI has a strong technical foundation and a well-established position within the water sector. I see significant potential to further develop the business and create even greater value for our clients and society. I look forward to setting the strategic direction and working with colleagues across the organisation to further strengthen DHI’s global position.'
 
Mette Vestergaard has been part of DHI since 2018, at first as Deputy Chair in the Board of Directors and since 2020 as CEO. She is now, among other things, accelerating her board-level career.
 
'On behalf of the Board of Directors I would like to thank Mette for her contributions to DHI. Under Mette’s leadership, revenue has grown, financial performance has been strengthened, and investment in research and innovation has increased. This has been instrumental in ensuring that DHI is today well-equipped for the future,' Thomas G. Schmidt said.
 
Mette Vestergaard commented:
'We are now at the closing stage of our five-year strategy, DHI+, which makes this a natural point to hand over the responsibility. I do so with a strong sense of confidence and pride. It has been a privilege to lead DHI and to work with people who care deeply about what we do.'
 
Mette Vestergaard remains in the position as CEO until 1 August 2026 to ensure a smooth transition.

DHI and VRVis partner to expand access to fast flood simulation technology

DHI has entered into a strategic collaboration with VRVis – Center for Virtual Reality and Visualization – to bring the advanced flood simulation software scenarify® to a wider international market.
scenarify combines high-speed flood modelling with detailed visualisation, helping municipalities, utilities and planners better understand and manage flood risks in a changing climate.

Using a novel numerical approach, the software can perform fully dynamic flood simulations in minutes while maintaining a high level of accuracy. This enables users to test and compare scenarios more quickly, supporting faster and better-informed decision-making.
 
The platform also offers interactive 2D and 3D visualisations, including time-lapse animations of flood events, making it easier to communicate complex flood risks and impacts to both technical and non-technical stakeholders.
 
In addition, scenarify includes tools for analysing flood depths, flows and volumes, as well as a library of mitigation measures that allows users to assess and compare adaptation options and future urban development scenarios.
 
‘This collaboration allows us to make a highly innovative tool available to a broader market. scenarify complements our existing solutions and strengthens our ability to support clients in tackling complex flood and climate adaptation challenges,’ said Erik Mårtensson, Vice President, Water in Cities, Nordics at DHI.
 
‘Working with DHI gives us the opportunity to bring scenarify to users who can truly benefit from fast, high-quality flood simulations in their day-to-day planning and decision-making,’ said Gerd Hesina, CEO of VRVis.

DHI Foundation appoints Thomas G. Schmidt as new Chair of the Board of DHI A/S

Thomas G. Schmidt succeeds Jakob Thomasen, who has played a central role in DHI’s strategic development since 2014. Thomas G. Schmidt brings many years of experience in strategy, business development and innovation.

‘It has been a privilege to chair DHI’s Board through a period of significant development and growth. Today, DHI stands on a strong foundation, and the company’s mission to address global water challenges is more relevant than ever. I am confident in handing over the baton to Thomas, whose broad strategic perspective and international experience will continue to strengthen the work of the Board,’ says Jakob Thomasen.
DHI A/S is owned by the DHI Foundation, which was established in 2019. Chair of the DHI Foundation, Per Falholdt, says:
‘On behalf of the DHI Foundation, I would like to extend our sincere thanks to Jakob Thomasen for his many years of dedicated and significant contribution as Chair of the Board of DHI. With strong commitment and a clear strategic vision, Jakob has left a lasting mark on DHI’s development and strengthened the collaboration between the Board and Executive Management. As a foundation-owned company with a long-term ownership perspective, continuity is essential, and with Thomas G. Schmidt as the new Chair of the Board, we are ensuring a strong and stable foundation for DHI’s continued development.
Over the past year, Thomas G. Schmidt has served as Vice Chair of DHI’s Board and now assumes the role of Chair. He brings extensive experience in strategy and business development from McKinsey &amp; Company, including as Managing Partner in Denmark, as well as international experience from Los Angeles and Santiago de Chile. Alongside his board responsibilities, he is Chief Executive Officer and co-founder of 21st.BIO, where the focus is on translating advanced technology into solutions to global resource challenges.
‘Few people realise that Denmark is home to one of the world’s leading companies within consultancy and advanced software modelling for water environments, water resources and hydraulics. Water is a scarce resource that is coming under increasing pressure globally. DHI is a company with a unique professional position and a clear responsibility in addressing some of the world’s most pressing water challenges. I therefore feel privileged to have the opportunity to contribute to the next chapter for DHI. As Chair of the Board, I look forward to working closely with the Board and the executive leadership team on DHI’s continued development and investment in its world-leading position, while delivering solid, sustainable results,’ says Thomas G. Schmidt.

Large parts of the world are increasingly affected by droughts, flooding and pollution, increasing the demand for resilient solutions. DHI, who published its annual report for 2025, is experiencing this firsthand. With more than 2,500 projects worldwide, DHI is helping to address the growing challenges related to water and ocean environments.
Across the globe, water has moved up on the political and societal agenda. Countries are increasingly affected by droughts, flooding and pollution, and they are therefore seeking solutions to these challenges. This is reflected in DHI’s continued growth, according to the company’s recently published 2025 annual report, and DHI has successfully positioned itself at the center of the market.
For the fifth consecutive year, revenue increased, reaching EUR 149.4 million, corresponding to organic growth of 2.1%. Earnings measured by EBITDA amounted to 6.8 million, up EUR 1.8 million from the year before. The EBITDA margin was 4.6%, 1.2 percentage points higher than the previous year.
‘The annual report tells the story of the difference we make for our clients and the society around us. We see an increasing need for solutions within water resources, climate adaptation and environmental protection, and DHI is strongly positioned to contribute. This is a result of our strategy and our focus on creating the greatest possible value with our expertise and leading technologies,’ says Mette Vestergaard, CEO of DHI.

In 2025 alone, DHI was involved in more than 2,500 projects worldwide – from protecting Saint-Malo’s waterfront on the French west coast against increasing storm impacts to integrating nature-based flood management solutions in Brazil.
From research and development to practical solutions
Research plays an increasingly important role in the development of solutions. In 2025, DHI participated in 80 national and international research projects and has also made significant investments in expanding its already advanced technological solutions. Total investments in research, development and innovation exceeded EUR 18 million, an increase of 19% compared to 2024.

These investments aim to translate science into scalable solutions and include, among other things, systems for drinking water management, improved monitoring of greenhouse gas emissions from wetlands based on satellite data and the use of artificial intelligence for the analysis and management of coastal areas.

‘DHI’s employees are among the world’s most highly skilled and specialised professionals within water and the environment. It is their dedication, expertise and curiosity that enable us to deliver results for our clients and for society, as water becomes an increasingly defining agenda,’ says Mette Vestergaard.

Ready for the challenges of the future
Global challenges related to water, climate and the environment are expected to grow in the coming years. Therefore, DHI sees a continued strong foundation for developing solutions that support both clients and society in a more sustainable direction.
‘Our ambition is to create an even greater impact – through our technology, our advisory services and not least our people,’ says Mette Vestergaard.

DHI has released MIKE 2026, the latest version of its MIKE Powered by DHI software suite. The update introduces new features and enhancements across all products, enabling more efficient, accurate and flexible workflows. MIKE 2026 is available at no additional cost to clients with an active Service and Maintenance Agreement (SMA) or subscription.

What's new in MIKE 2026

FEFLOW 11 streamlines model creation and simulation with the Structural Model Editor for mesh-ready 3D geological models and the Open Loop System Editor for flexible geothermal system design. New pinching methods, an interactive Pinch-Delete tool and the Split Layer tool improve handling of complex layers and vertical resolution. With performance gains of up to 50%, these enhancements deliver more accurate and efficient workflows.
MIKE 21 and MIKE 3 deliver faster, more flexible modelling with 1D and 2DV transect wave setups for high-resolution cross-shore simulations. Wave Model FM calculations are accelerated for large projects and enhanced flocculation modelling improves sediment transport and deposition predictions. The MIKE ECO Lab Experimenter lets users test and refine MIKE ECO Lab templates in a simple box model without running full hydrodynamic simulations. Extended Data Extraction FM now offers flexible line and vertical series outputs, and tidal prediction tools are faster and more accurate with updated harmonic analysis and NetCDF support.
MIKE+ enhances hydraulic and flood modelling with more realistic system behaviour and streamlined workflows. Users can simulate pressure relief valves for improved surge protection and model displaceable manhole covers to better represent flood dynamics. They can also generate high-resolution flood rasters directly in the platform and apply rainfall and evaporation to lakes and reservoirs for better water-balance accuracy without external tools.


Additional product updates

MIKE SHE adds a new Soil-Vegetation-Atmosphere Transfer (SVAT) module for advanced evapotranspiration calculations that account for energy balance. Water movement and water quality simulations can now run in parallel for more realistic agricultural assessments, including crop growth and fertiliser impacts. A new Saturated Zone Dryness alert flags partial layer drying to help maintain model stability and reliable groundwater–surface water interactions.
MIKE HYDRO Basin features an enhanced LOAD Calculator for easier separation of surface runoff and groundwater as well as faster, GIS-based load assessments. The Control Rules module now supports controllable reservoir outlets, allowing advanced simulation of operations that balance flood control, water supply and environmental objectives.
MIKE OPERATIONS now supports web API integration for cloud-native deployments and API-triggered model runs, enabling automated, cost-efficient workflows. A new Python package streamlines automation and integration with Python workflows.
WEST introduces a Mass Balance Plot tool for fast, intuitive tracking of process variables. The Wastewater Plant Designer is simplified with four options for creating MLE and A2O plants, enabling quick steady-state design with minimal input. Full Spanish language support improves usability and accessibility for Spanish-speaking users.
MIKE WaterNet Advisor adds a Leak Locator simulation that detects zones of increased Minimum Night Flow and identifies likely leaks. The Animation tool offers Skip Playback for faster review, and a new ‘abandoned’ pipe status keeps inactive pipelines visible on the map while excluding them from simulations.


Availability and more informationMIKE 2026 is now available for download, with key features outlined in the release highlights. DHI will also host a series of webinars providing in-depth insight into the new features:                                                                     

4 March | MIKE SHE: 2026 release webinar 
7 April | MIKE+ and MIKE WaterNet Advisor: 2026 release webinar
14 April |MIKE+ Rivers: 2026 release webinar
Late April | MIKE 21/3: 2026 release webinar (to be scheduled soon)


For assistance or to reactivate an expired SMA, pleasecontact your local office.

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