Case Study Reports

Overview

In the OpenGIS4ET project three case studies have been undertaken to demonstrate and describe the application of the citiwatts platform and its Calculation Modules:

Sønderborg, Southern Denmark, Denmark
Offenbach, Hesse, Germany
Almenland, Styria, Austria

The studies are conducted primarily for demonstration and validation purposes of the Citiwatts tool in the OpenGIS4ET project. Please note the disclaimers regarding assumptions and methodological approaches in each of the case study reports.

Sønderborg Case Study

Case Study Report in English language.
Content: A screening for district heating potentials in Blans-Ullerup-Avnbøl, as well as electric vehicle charging scenarios and simplified flexibility-studying energy system scenarios for the entire municipality of Sønderborg. The primary aim of this study was to demonstrate the Citiwatts Toolbox in a Danish context and case and to test and verify calculations. Given the large amount of analyses in the field of energy and heat planning in Sønderborg, the tool is only applicable for inspiration and scoping, as more elaborate tools (on the analysis-side) have been applied in Sønderborg earlier.
Status: The report can be downloaded here: citiwatts_CaseStudyReport_Sønderborg.pdf

Offenbach Fallstudie

Case Study Report in German language, with summary in English.
Content: Wärme- und Kälteplanungsbetrachtungen für Bürgel und Elektroauto-Szenarien für den „Regierungsbezirk Darmstadt“ sowie der Untersuchung von Flexibilitäten im Energiesystem für die kreisfreie Stadt Offenbach am Main.
Status: In review process. The report will soon be published here.

Almenland Fallstudie

Case Study Report in German language.
Content: Untersuchung, wie citiwatts zusammen mit dem Wärmeatlas Steiermark für die Energieplanung in KEM-Regionen genutzt werden kann – gezeigt am Beispiel KEM Almenland.
Status: The report can be downloaded here: OpenGIS_Case_Study_Report_Almenland_short.pdf

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Final remarks

How To Cite

OpenGIS4ET Team, in citiwatts Wiki, Case Study Reports page (August/September 2025)

Authors And Reviewers

This page was written by the OpenGIS4ET Team and namely by

PlanEnergi: Max Guddat and Eva Wiechers

License

Creative Commons Attribution 4.0 International License

This work is licensed under a Creative Commons CC BY 4.0 International License.

SPDX-License-Identifier: CC-BY-4.0

License-Text: https://spdx.org/licenses/CC-BY-4.0.html

Acknowledgement

The project “Open Geographic Information System for Energy Transition” (OpenGIS4ET, Project Number 111 786) has been supported by partners of the ERA-Net Smart Energy Systems and Mission Innovation through the Joint Call 2020. As such, this project has received funding from the

Energy Technology Development and Demonstration (EUDP), Denmark (Project No.: 64021-6026),
Federal Ministry for Economic Affairs and Climate Action, Germany (Project No.: 03EI4050B),
The Austrian Research Promotion Agency (FFG), Austria (Project No.: 889031),
Swiss Federal Office of Energy (SFOE), Switzerland (Project No.: 502364).

The OpenGIS4ET project builts on the H2020 Hotmaps Project.

For more details please refer to the About page of this wiki.

Disclaimers

The content and views expressed in this material are those of the authors and do not necessarily reflect the views or opinion of the ERA-Net SES initiative. Any reference given does not necessarily imply the endorsement by ERA-Net SES.

The citiwatts toolbox is a living platform: As the research project as well as its sister and follow-up projects evolve, (new) functionalities are refined and bugs are addressed and solved. The toolbox is hosted in two environments: the development server and the production server. The development server has the most up-to-date version, with most of issues and bugs solved, but it might be unstable as developers keep working on it daily. The production server instead is a stable environment.

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