Published January 19, 2026 | Version v0.4.0
Software Open

WaterFutures/water-futures-battle: The Battle of the Water Futures [Data and Software - v0.4.0]

Authors/Creators

  • 1. KWR Water Research Institute; Politecnico di Milano
  • 2. KWR Water Research Institute; National Technical University of Athens
  • 3. Bielefeld University
  • 4. KIOS Research and Innovation Center of Excellence at the University of Cyprus
  • 5. Università di Ferrara
  • 6. University of Macedonia
  • 7. Athens University of Economics and Business; ATHENA RC; Cambridge University
  • 8. KWR Water Research Institute; Centre for Water Systems at University of Exeter

Description

Release Date: 19th January 2026

This release introduces a few clarifications and fixes based on community reports and the alpha version of the evaluator.

What's New

  • Data

    • Municipalities' population: formatted national projections
    • Climate: formatted historical climate variables
    • Submission form: added a new lever for bond amount to the debt ratio
    • Settings: added lifeline volume (Lpcd)

  • Code

    • New: added the classes describing the system

  • Problem Description (PDF and Website)

    • New lever: bond to amount debt ratio (Section 2.3.1.4)

What's Changed

  • Data

    • Water demand model: fix unit in per business demand (from m^3/business/day to m^3/business/hour)
    • Non-revenue demand model: fix unit of intervention cost (€/km/year), adjusted starting ages (municipalities' average age)

  • Problem Description (PDF and Website)

    • Fix NRW image (wrong units)
    • Clarified the final balance and water pricing
    • Clarified source energy consumption
    • Clarified climate variables
    • Numbering of the equations
    • Review Appendix A: Describe all files' purposes and a clearer mapping of the properties in the Excel files.

  • Rules and Information (Website)

    • Clarified participation rules
    • Distinguished the submission process for the solutions and the abstract
    • More details about the ranking and coherence with the problem description

Important Notes

We are currently working on the evaluator and making sure it is ready to be made open source.
This will also be used to create the inp networks, as those currently available are only for visualisation purposes.

Files

water_futures_battle-preprint.pdf

Files (4.5 MB)

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md5:3f923b266acc5b0e8f6ba66e7c4e61d3
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md5:8d7818b24cce3b754a7931cee87ad42e
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Additional details

Related works

Is supplement to
Software: https://github.com/WaterFutures/water-futures-battle/tree/v0.4.0 (URL)

Funding

European Commission
Water-Futures - Smart Water Futures: designing the next generation of urban drinking water systems 951424

Software

Repository URL
https://github.com/WaterFutures/water-futures-battle