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9th International Hybrid Power Plants & Systems Workshop 2025

Åland Islands, Finland, 03–04 June 2025

Mon, 2 Jun
12:30 - 13:30
LUNCH (for tutorial participants)
Mon, 2 Jun | Foyer Ground Floor |
13:30 - 18:00
TUTORIAL: Introduction to Hybrid Power Systems and Case Studies – to be booked separately –
Mon, 2 Jun | Ryssö |
13:30
01 HYB25-81
Introduction to Hybrid Power Systems & Hawaii Case Study
Thomas Ackermann
Energynautics, Germany
14:15
Discussion
14:30
02 HYB25-79
Experiences with 100% Inverter-Based Generation
Helma Maria Trondheim
Power Company Sev, Faeroe Islands
15:15
Discussion
15:30
BREAK
16:00
03 HYB25-82
From Cape Verde to Mars: Insights into Isolated Power Systems
Daniel Pombo
Electric Power Research Institute (EPRI), Ireland
16:45
Discussion
17:00
04 HYB25-80
Perspectives on First Generation Grid-forming BESS and The Alaskan Experience
Nicholas Miller
HICKORYLEDGE LLC, United States
17:45
Discussion
18:00 - 19:00
Pre-Check-in
Mon, 2 Jun | Foyer Ground Floor |
Tue, 3 Jun
08:00 - 09:00
REGISTRATION
Tue, 3 Jun | Foyer Ground Floor |
09:00 - 10:50
SESSION 1 – WELCOME / KEYNOTE SESSION
Tue, 3 Jun | Stora Salen | Chair/s: Thomas Ackermann
09:00
  • WELCOME and INTRODUCTION
    Thomas Ackermann (Energynautics, Germany)
09:15
  • Welcome Message
    Jörgen Pettersson (Speaker of Åland Parliament)
09:35
01 HYB25-73
Power System and Power Market in Åland Islands
Conny Rosenberg
Kraftnät Åland
09:55
  • Energy Initiatives in Åland
    Y. Österlund (Government of Åland, Finland)
10:15
  • Presentation 4 - TBA
    NN
10:35
Discussion
10:50 - 11:20
GROUP PHOTO & COFFEE BREAK
Tue, 3 Jun | Foyer Ground Floor |
11:20 - 13:00
SESSION 2A – ISLAND POWER SYSTEMS – CASE STUDIES I
Tue, 3 Jun | Stora Salen |
11:20
01 HYB25-44
Islands’ Energy Transition League – a progress report on decarbonising island power systems
David Quirk 1, Lucas Reus 2
1 DTU Offshore
2 Leibniz University Hanover
11:40
02 HYB25-10
Beyond blueprints: EPRI’s vision and strategies of the hybrid energy future in 2025
Daniel V Pombo
Electric Power Research Institute (EPRI)
12:00
03 HYB25-21
BESS-Grid Forming application in Porto Santo Island. A tuning procedure for stable Virtual Generator Mode operations
Khalid Osama , Alessandro Rosini , Michele Fusero , Paola Pongiglione , Francesco Baccino , Pietro Serra
Hitachi Energy Italy, PGGA-GES, Italy
12:20
04 HYB25-74
The integration of Primary, Secondary, and Tertiary Control for Optimal Energy Dispatch in Island Systems
Johan Ågren
Wärtsilä Finland Oy, Finland
12:40
Discussion
11:20 - 13:00
SESSION 2B – MODELLING AND SIMULATION
Tue, 3 Jun | Auditoriet |
11:20
01 HYB25-27
Optimizing Hybrid Renewable Energy Systems: A Scalable EMS with Enhanced Flexibility and Efficiency
Paloma Zúñiga Saiz 1, 2, Ana Pascual Navarro 1, 2, Carlos Sánchez Diaz 2, Antonio Correcher Salvador 2, Julia Badeda 1
1 ABO ENERGY
2 Universitat Politècnica de València
11:40
02 HYB25-45
Enabling modular simulation of hybrid power plants by pre-defined interfaces for FMU
Marcus Wiens , Niklas Requate , Torben Jersch
Fraunhofer IWES
12:00
03 HYB25-30
Active power control of a hybrid power plant comprising hydropower, battery and supercapacitor to provide frequency control
Yasir Basheer 1, Juan I. Pérez-Díaz 1, Marcos Blanco 2, Jesús Fraile-Ardanuy 1, Jorge Nájera 2, Gustavo Navarro 2, José Ignacio Sarasúa 1
1 Universidad Politécnica de Madrid, Spain
2 Unidad de Accionamientos Eléctricos, CIEMAT, Madrid, Spain
12:20
  • Battery Energy Storage Systems based Black Start and Transformer Inrush Mitigation Strategies for a Real Application
    K. Osama (HitachiEnergy, Italy)
12:40
Discussion
13:00 - 14:00
LUNCH
Tue, 3 Jun | Foyer Ground Floor |
14:00 - 15:40
SESSION 3A – GRID FORMING ASPECTS
Tue, 3 Jun | Stora Salen |
14:00
01 HYB25-40
Comparative Analysis of Grid-Forming Capabilities through EMT Simulations and Field Testing: A Battery System and a Synchronous Condenser in Suðuroy, Faroe Islands
Helma Maria Tróndheim 1, Alessandro Rosini 2, Marija Vujacic 2, Tilo Buehler 2, Miguel V. Rodriguez 2, Terji Nielsen 1, 3, 4
1 Power Company Sev
2 Hitachi Energy
3 University of the Faroe Islands
4 Aalborg University
14:20
02 HYB25-23
Dynamic Behavior of Battery powered Grid Forming Inverters in an Island Grid
Till Garn 1, Tobias Weinmann 3, Konstantin Wagner 2, Josef Maria Pape 2, Georg Kerber 2, Michael Finkel 3, Bernd Engel 1
1 TU Braunschweig elenia Institute for High Voltage Technology and Power Systems
2 TU München Institute for Sustainable Energy Systems
3 Technische Hochschule Augsburg Faculty of Electrical Engineering
14:40
03 HYB25-59
Laboratory Validation of Power Profiles for Inertia Provision by a Grid-Forming Inverter in the Low-Voltage Power Grid
Johanna Grobler , Max Gand , Bernd Engel
Technical University Braunschweig - elenia Institute for High Voltage Technology and Power Systems
15:00
04 HYB25-48
Grid forming wind power in multi-technology hybrid power plants
Vahan Gevorgian , Weihang Yan , Shahil Shah
NRE:
15:20
Discussion
14:00 - 15:40
SESSION 3B – HYBRID POWER PLANTS – CASE STUDIES I
Tue, 3 Jun | Auditoriet |
14:00
01 HYB25-65
Hybrid PV report
Catarina Augusto 1, Simon Supond 1
1 SolarPower Europe
2 AFRY
3 Rystad
14:20
02 HYB25-72
Prospects and Challenges of Hybrid Power Plants in Finland.
Lasse Linnamaa
Fingrid
14:40
03 HYB25-6
Increasing Renewable Generation and System Reliability through Coupling PV and Hydropower
Arvind Tiwari
GE Vernova Advance Research
15:00
04 HYB25-38
Overview of electrical topologies of Hybrid Power Plants with Offshore Wind
Aivaras Celna 1, 2, Kaushik Das 2, Mikkel Gryning 1, Mohammad Kazem Bakhshizadeh 1, Anca Daniela Hansen 2
1 Ørsted Wind Power A/S
2 DTU Wind and Energy Systems
15:20
05 HYB25-9
Multifunctional HIL Testbench for Hybrid Energy Storage Systems Analysis
Jorge Nájera , Marcis Blanco , Gustavo Navarro , Eduardo Rausell , Valentín Urda , Marcos Lafoz
CIEMAT
15:40
Discussion
14:00 - 15:40
SESSION 3C – MICROGRID ASPECTS
Tue, 3 Jun | Ryssö |
14:00
01 HYB25-16
Performance Assessment of Microgrid Energy Management Systems with an Optimisation Performance Indicator
Sergio Motta , Ella Teperi , Emil Ronnqvist , Eero Heiskala , Johan Agren , Dimitra Louizou
Decarbonisation Services, Wärtsilä Finland, Finland
14:20
02 HYB25-86
Bridging Procurement and Performance: Insights on BESS Sizing and Integration
Keerthi Kumar
BayWa r.e Solar Projects GmbH, Germany
14:40
03 HYB25-22
Hybrid Power System for Emission Reduction at the Duisburg Gateway Terminal: A Case Study of the enerport-II Project
Lennart Schürmann
Fraunhofer UMSICHT
15:00
04 HYB25-35
Innovative Energy Laboratory Design for Hybrid Power Systems Research and Education
Florian Haug 1, Oskar Hellstrand 1, Gideon Eklund 1, Matias Waller 1, Marcus Karlsson 1, 2
1 Åland University of Applied Sciences
2 Harrys El Ab
15:20
Discussion
15:40 - 16:00
COFFEE BREAK
Tue, 3 Jun | Foyer Ground Floor |
15:45 - 16:00
POSTER SESSION
Tue, 3 Jun | Foyer Ground Floor |
15:45
01 HYB25-7
Modelling of IEC 61850-based communication for monitoring and control of Distributed Energy Resources to Provide Balancing Reserve
Ryuichi Shibata 1, Shinichiro Minotsu 1, Gen Fukuda 1, Tetsuo Otani 2, Kota Kawasaki 2
1 Electric Power Development Co.,Ltd, Japan
2 Central Research Institute of Electric Power Industry, Japan
15:46
02 HYB25-32
Extracting Fossil Free Ecological Energy from Horizontally Flowing Water
Bert Berntsson
jabe Konsult ABjabe Konsult AB
15:47
03 HYB25-53
Fitting a dynamic generic circuit model for PEM fuel cell systems
Kazem Pourhossein 1, Meysam Asadi 2, Arash Nosrat 1, Detlef Schulz 1
1 Helmut Schmidt University, Germany
2 Ghent University, Belgium
15:48
04 HYB25-54
A simplified static model for inverter-based resources: A case study of grid-forming inverters
Kazem Pourhossein , Detlef Schulz
Helmut Schmidt University
15:49
05 HYB25-58
Mechanisms for Utilizing Flexible Resources to Mitigate Distribution Network Congestion from Solar Power Peaks
Victor Rodin 1, 2, Ola Carlson 2, Hamza Shafique 1, Muhammad Ammar Khan 1, Dan-eric Archer 1
1 Checkwatt AB
2 Chalmers tekniska högskola
16:00 - 17:40
SESSION 4A – ISLAND CASE STUDIES
Tue, 3 Jun | Stora Salen |
16:00
01 HYB25-76
Island Grids in Indonesia: PV-Hydro Hybridization and Interconnection Challenges
Peter-Philipp Schierhorn , Pia Henzel , Jan-David Schmidt
Energynautics, Germany
16:20
02 HYB25-56
Comparison of HOMER Grid and PyPSA for CEM to meet high VRE on Island Grids_A Case Study for Vanuatus Efate Grid
Janendra Prasad 1, Anna Bruce 1, Iain Macgill 1, Nidhi Verma 2
1 University of New South Wales
2 UL
16:40
03 HYB25-78
Achieving 100% Renewable Energy Supply in Astypalea: A Feasibility Study of V2G Integration Using PLEXOS Simulations
Francesco Maldonato 1, 2, Mahtab Noori 2, Anna Szardenings 3, Lars Kapitza 3, Dietmar Goehlich 2
1 CARIAD SE, Germany
2 Technische Universität Berlin, Fakultät V - Verkehrs- und Maschinensysteme, Germany
3 Volkswagen AG Group Innovation, Germany
17:00
04 HYB25-49
Small Hydro Power Plants with Integrated Battery Energy Storage for Enhanced Resiliency
Weihang Yan , Vahan Gevorgian
NREL
17:20
Discussion
16:00 - 17:40
SESSION 4B – HYBRID POWER PLANTS ON EUROPEAN ISLANDS: REGULATORY CHALLENGES AND OPPORTUNITIES I
Tue, 3 Jun | Auditoriet | Chair/s: Lucija Rakočević
16:00
01 HYB25-85
Hybrid Power Plants on European Islands: Regulatory Challenges and Opportunities – An Introduction
Lucija Rakočević
Energynautics, Germany
16:20
02 HYB25-84
How can we Solve Grid Congestion Problems on the Islands with Hybrid Renewable Solution for Ferries
Taavi Liivandi
EISEA, Estonia
16:40
03 HYB25-87
Application of Airbourne Wind Technologies on European Islands
Norbert Taphorn
SkySails Power GmbH, Germany
17:00
04 HYB25-67
French NIA Tenders for Hybrid PV + Storage Power Plants: Corsica Sole's 10-Year Experience and Insights from 22 Projects in Corsica and Réunion
Matthias Lévy
Corsica Sole
17:20
Discussion
16:00 - 17:40
SESSION 4C – HYBRID POWER PLANT SYSTEM DESIGN
Tue, 3 Jun | Ryssö |
16:00
01 HYB25-57
Revenue-oriented operating strategies for a hybrid power system consisting of battery storage system, electrolyser and photovoltaics using mathematical optimisation
Timo Sauer , Merle Ferk
elenia Institute for High Voltage Technology and Power Systems, TU Braunschweig
16:20
02 HYB25-50
The Design of Economic Minigrids to Include Clean Cooking
Peter Lilienthal
Univ. of ColoradoAlaska Microgrid GroupEarthSpark InternationalEnergyFarms
16:40
  • Caithness Moray Shetland HVDC project (CMS)
    D. Dahlblom (Hitachi Energy, Sweden)
17:00
03 HYB25-52
How Model Predictive Control of PV + Energy Storage Systems Achieves Higher Returns
Michael Stadler
Xendee
17:20
Discussion
18:00 - 22:00
Workshop Networking Event / Dinner - to be booked separately -
Tue, 3 Jun | Brasserie Ångbåtsbryggan |
18:00 - 22:00
Ångbåtsbryggan 2, 221 00 Mariehamn

Meeting Point: Registration Area of the Alandica Congress Center
Meeting Time: TBA
Start of the Dinner: 19:00

» The restaurant is within walking distance, only a few meters from the conference venue.
Wed, 4 Jun
09:00 - 10:40
SESSION 5A – ECONOMIC ASPECTS
Wed, 4 Jun | Stora Salen |
09:00
01 HYB25-70
Capacity-Based Grid Tariffs
Magnus Jennerholm , Carl Brundin
Energicentrum Gotland
09:20
  • Caithness Moray Shetland HVDC Project and the  Long-Term Service Agreement for HVDC Systems
    G. Nyberg (Hitachi Energy, Sweden)
09:40
02 HYB25-63
Comprehensive economic evaluation of the optimal dispatch of the RefLau hybrid power plant
Edoardo Beduglio 1, 2, Christoph Nolden 2, Anton Plietzsch 2, Mario Ragwitz 1, 2
1 Chair of Integrated Energy Infrastructures, Brandenburg University of Technology Cottbus-Senftenberg
2 Fraunhofer Research Institution for Energy Infrastructures and Geotechnologies IEG Gulbener Straße 23, Cottbus, 03046, Germany
10:00
03 HYB25-83
Flex Dispats in Practice - A Puzzle of Grid Operators, Ancillary Services and Energy Markets
Dan-Eric Archer
CheckWatt AB, Sweden
10:20
04 HYB25-5
The future of decentralized electricity supply: Empirical evidence from the field
Fereidoon Sioshansi
Menlo Energy Economics
10:40
Discussion
09:00 - 10:40
SESSION 5B – ANCILLARY SERVICES
Wed, 4 Jun | Auditoriet |
09:00
01 HYB25-19
Enhanced Ancillary Services Provision on Hybrid Power Plants
George Alin Raducu 1, Stoyan Kanev 1, Nassir Cassamo 1, Bashar Alahmad 2, Ozan Sahin 2, Viktorija Dudjak 2
1 Vattenfall Wind Power, Denmark
2 Vattenfall Research and Development, Denmark
09:20
02 HYB25-36
A simultaneous inverter-based black start strategy for distribution grids
Adolfo Anta
AIT Austrian Institute of Technology
09:40
03 HYB25-29
Stabilizing Wind Power with Hydrogen: A Pilot with PEM Electrolyser and Fuel Cell
Håvard Ausen
TechnipFMC
10:00
04 HYB25-43
Robust Control of a Hybrid Power Plant Considering Uncertainty of Ancillary Service
Petr Stejskal 1, 2, Přemysl Šůcha 1, Ondřej Mamula 1
1 Czech Technical University in Prague; Czech Institute of Informatics, Robotics and Cybernetics
2 Czech Technical University in Prague; Faculty of Electrical Engineering
10:20
Discussion
10:40 - 11:10
COFFEE BREAK
Wed, 4 Jun | Foyer Ground Floor |
10:40 - 11:10
POSTER SESSION
Wed, 4 Jun | Foyer Ground Floor |
01 HYB25-7
Modelling of IEC 61850-based communication for monitoring and control of Distributed Energy Resources to Provide Balancing Reserve
Ryuichi Shibata 1, Shinichiro Minotsu 1, Gen Fukuda 1, Tetsuo Otani 2, Kota Kawasaki 2
1 Electric Power Development Co.,Ltd, Japan
2 Central Research Institute of Electric Power Industry, Japan
02 HYB25-32
Extracting Fossil Free Ecological Energy from Horizontally Flowing Water
Bert Berntsson
jabe Konsult ABjabe Konsult AB
03 HYB25-53
Fitting a dynamic generic circuit model for PEM fuel cell systems
Kazem Pourhossein 1, Meysam Asadi 2, Arash Nosrat 1, Detlef Schulz 1
1 Helmut Schmidt University, Germany
2 Ghent University, Belgium
04 HYB25-54
A simplified static model for inverter-based resources: A case study of grid-forming inverters
Kazem Pourhossein , Detlef Schulz
Helmut Schmidt University
05 HYB25-58
Mechanisms for Utilizing Flexible Resources to Mitigate Distribution Network Congestion from Solar Power Peaks
Victor Rodin 1, 2, Ola Carlson 2, Hamza Shafique 1, Muhammad Ammar Khan 1, Dan-eric Archer 1
1 Checkwatt AB
2 Chalmers tekniska högskola
11:10 - 12:50
SESSION 6A – ISLAND POWER SYSTEMS – CASE STUDIES II
Wed, 4 Jun | Stora Salen |
11:10
01 HYB25-77
PV Integration on Grand Bahama
Pia Henzel , Peter-Philipp Schierhorn , Pratik Hirani
Energynautics, Germany
11:30
02 HYB25-26
Hybrid Energy Project of Ikaria Island -NAERAS- Wind-Pump Storage
Anastasis Tsoumanis , Konstantinos Natsis
PPC RENEWABLES S.M.S.A.
11:50
03 HYB25-71
Alchymiste Project: Decarbonizing and Securing Island Energy Systems
Tanguy Le Coz
Corsica Sole
12:10
04 HYB25-41
Investigation Challenges Facing the Integration of the 33 MW Ezra Diesel Power Plant and two 20 MW Solar Photovoltaic (PV) Generation into the Distribution System in Juba City.
Ater Amogpai
Yuot Institute for Energy Studies, South Sudan
12:30
Discussion
11:10 - 12:50
SESSION 6B – HYBRID PLANTS – CASE STUDIES II
Wed, 4 Jun | Auditoriet |
11:10
01 HYB25-51
Curtailments in PV-Wind Hybrid Power Plants - Methodology and Case Studies
Anne Sophie Freunek
1 BayWa r.e. Global, Germany
11:30
02 HYB25-39
Control of Offshore Hybrid Power Plants Considering Aggregation of Plant Technologies
Aivaras Celna 1, 2, Mikkel Gryning 1, Kaushik Das 2, Mohammad Kazem Bakhshizadeh 1, Anca Daniela Hansen 2
1 Ørsted Wind Power A/S
2 DTU Wind and Energy Systems
11:50
03 HYB25-61
Energy Management Systems in Hybrid Power Plants: The Key to Adapting to Evolving Market Conditions
Jon Martinez-Rico , Ismael Ruiz de Argandoña
Automation and Control Unit, Tekniker, Eibar, Spain
12:10
04 HYB25-31
The impact of secondary regulation reserve market cannibalization on the business model of a hybrid wind-battery virtual power plant.
Daniel Fernández-Muñoz , Juan I. Pérez-Díaz
Universidad Politécnica de Madrid
12:30
Discussion
12:50 - 13:50
LUNCH
Wed, 4 Jun | Foyer Ground Floor |
13:50 - 15:30
SESSION 7A – NEW TECHNOLOGIES
Wed, 4 Jun | Stora Salen |
13:50
01 HYB25-55
Literature Review of AI in Energy Management System in Isolated Hybrid Power Systems
Terji Nielsen 1, 3, 2, Helma Maria Tróndheim 3, Claus Leth Bak 1, Hannes Gislason 2, Høgni C. Kamban 2
1 Section of Electric Power Systems and Microgrids, Aalborg University
2 Faculty of Science and Technology, University of the Faroe Islands
3 R&D Department, Electrical Power Company SEV
14:10
02 HYB25-13
Innovations in the development of high-altitude wind energy systems from SkySails
Norbert Taphorn
SkySails Power
14:30
03 HYB25-12
Microgrid Solution for Semiconductor Facilities: A Case Study from Dresden
Aleksandre Piranishvili 1, Frank Herbener 2
1 Aleksandre Piranishvili Product Manager Power Solutions Division Piller Germany GmbH & Co.KG, Germany
2 Frank Herbener Product Manager Rotary UPS systems Piller Group GmbH, Germany
14:50
04 HYB25-42
Data generation of large-scale green hydrogen production at the Hydrogen Lab Bremerhaven
Anna Heuschmann , Kevin Schalk , Jannes Vervoort
Fraunhofer IWES
15:10
Discussion
13:50 - 15:30
SESSION 7B – SYSTEM ASPECTS
Wed, 4 Jun | Auditoriet |
13:50
01 HYB25-15
Simultaneous Optimal Dispatch and Sizing of Local Energy Systems with Grid Support
Annika Holthoff
Fraunhofer IWES
14:10
02 HYB25-8
Automated Planning of Microgrids at Distribution Grid Level to Resupply Critical Infrastructure during a Blackout
Jakob Wieland , Giuseppe Puleo , Maximilian Mütherig , Markus Zdrallek
University of Wuppertal, Institute of Power Systems Engineering, Germany
14:30
03 HYB25-24
Integration and Scaling of Plate Heat Exchanger Models for Enhanced Control of PEM Electrolyzer Systems
Nícolas Miranda Hernández 1, 2, Aline Luxa 1, 2
1 Fraunhofer Institute for Wind Energy Systems IWES, Application Center for Integration of Local Energy Systems ILES, Am Schleusengraben 22, Hamburg, Germany
2 Hamburg University of Applied Sciences, Faculty Life Sciences, Ulmenliet 20, 21033 Hamburg, Germany
14:50
04 HYB25-47
Industrial energy systems in the time of on-site renewable energies and sector coupling
Martin Grasenack , Hans Schäfers
Hamburg University of Applied Sciences
15:10
Discussion
15:30 - 15:50
COFFEE BREAK
Wed, 4 Jun | Foyer Ground Floor |
15:50 - 16:50
SESSION 8 – CLOSING SESSION: PANEL DISCUSSION
Wed, 4 Jun | Stora Salen |
15:50
Panel Discussion
16:20
Discussion
16:40
Closing Remarks
Thu, 5 Jun
09:00 - 17:50
STUDY TRIP – to be booked separately –
Thu, 5 Jun | Foyer Ground Floor |
09:00 - 17:50
  • Meeting time: 08.45
  • Meeting point: Alandica Congress Center, Mariehamn
  • Departure bus: 09.00
  • Visited facilities:
    • Mariehamn Solar Farm
    • Ytterby HVDC Station
    • Långnabba Windfarm
    • Båtskär Windfarm (via boat)