Ioannis Sifnaios
Researcher at DTU - Technical University of Denmark
Copenhagen, Capital Region of Denmark
Summary
🤩
Rockstar🎓
Top SchoolIoannis Sifnaios is a researcher specializing in solar thermal systems, heat storage and integration of renewable-driven heating and cooling within district energy networks, with four years of hands-on experience at DTU. His PhD focused on integrating large-scale water pit heat storages to enhance flexibility and stability of future energy systems, and his postdoc and current research continue to bridge modeling, experiments and system-level analysis. He combines experimental design and data analysis with growing skills in CFD, TRNSYS and Python, and has contributed to the widely used pvlib-python project by improving albedo modelling for PV simulations. A practiced communicator from teaching roles, he excels at translating complex thermal-energy concepts to diverse audiences and enjoys collaborative knowledge sharing. Colleagues describe him as self-motivated and dependable, able to lead independent modeling work while contributing effectively in multidisciplinary teams.
4 years of coding experience
2 years of employment as a software developer
Bachelor of Science (BSc), Physics, 7.27 /10, Bachelor of Science (BSc), Physics, 7.27 /10 at Ethnikon kai Kapodistriakon Panepistimion AthinonMaster of Science (MSc), Sustainable Energy (study line: Energy Savings in buildings), 10.1 /12, Master of Science (MSc), Sustainable Energy (study line: Energy Savings in buildings), 10.1 /12 at Danmarks Tekniske UniversitetHigh School Degree, Technological, 18.2 /20, High School Degree, Technological, 18.2 /20 at 2nd High School of Alimos (Athens, Greece)
English, Greek, Danish
Github Skills (6)
renewable-energy10
python10
numpy10
photovoltaic10
pytest9
pandas8
Programming languages (2)
Github contributions (5)
pvlib/pvlib-python
May 2024 - Feb 2025
A set of documented functions for simulating the performance of photovoltaic energy systems.
Role in this project:
Data Scientist
Data ScientistContributions:38 reviews, 12 PRs, 79 comments in 9 months
Contributions summary:Ioannis made several contributions to the `pvlib-python` repository, primarily focused on enhancing the accuracy and functionality of photovoltaic system simulation. They modified test functions, added an albedo function for water bodies, and moved existing code components. Their work included updating documentation, fixing code formatting issues, and introducing new features related to albedo calculations, directly improving the model's capabilities in simulating solar energy systems.
pythonsolar-energyenergy-systemsrenewablesphotovoltaic
IoannisSifnaios/pvlib-python
Jun 2024 - Dec 2024
A set of documented functions for simulating the performance of photovoltaic energy systems.
Contributions:155 pushes, 18 branches in 6 months
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