We build data-driven insights and open-source optimization models that help energy markets operate more efficiently, transparently, and sustainably.
End-to-end analytics and modeling capabilities for the energy sector, from raw data to actionable strategy.
Comprehensive analysis of electricity, gas, and renewable energy markets. We deliver price forecasting, demand modeling, and market intelligence reports.
Custom-built mathematical optimization models for generation scheduling, portfolio management, storage dispatch, and grid operations.
Design and deployment of robust data pipelines for real-time market data ingestion, transformation, and warehousing tailored to energy workflows.
We develop and maintain open-source optimization frameworks for the energy community — enabling transparent, reproducible, and collaborative research.
Modeling and strategy for integrating wind, solar, and battery storage into existing grid infrastructure with optimal dispatch and curtailment analysis.
Strategic advisory for utilities, regulators, and energy firms. We also offer tailored workshops on energy data analytics and optimization techniques.
A specialized team at the intersection of energy systems engineering and data science.
With a background in energy systems engineering, optimization and data science, I founded Abacus Analytics to bridge the gap between academic research and practical market operations in the energy sector.
My work focuses on developing transparent, open-source mathematical models that help stakeholders make better-informed decisions about energy production, storage, and distribution.
I hold a Dipl. Ing. and Ph.D. degrees in electrical engineering from the Aristotle University of Thessaloniki and currently hold positions as Head of Applied Research and Development at HERON Energy S.A., Strategy and Technology consultant at Optimus Energy S.A. and Research Associate at the National Technical University of Athens. My research has been published in leading journals covering power systems optimization, market design, and renewable energy integration.
I am a firm believer that open-source tools and reproducible research are essential for the energy transition.
Our published work, open-source models, and technical reports.
I. Papias, V. Michalakopoulos, D. Karoutsou, E. Sarmas, N. Dimitropoulos, V. Marinakis, M. Paraschi and D. I. Chatzigiannis
2025 16th International Conference on Information, Intelligence, Systems & Applications (IISA)
Z. Ruan, D. I. Chatzigiannis and A. Papavasiliou
2025 21st International Conference on the European Energy Market (EEM)
D. I. Chatzigiannis and D. Krithis
National Technical University of Athens Diploma Thesis
I. Mezghani, N. Stevens, A. Papavasiliou and D. I. Chatzigiannis
IEEE Transactions on Power Systems
I.G. Marneris, A. V. Ntomaris, P. N. Biskas, C. G. Baslis, D.I. Chatzigiannis, C.S. Demoulias, K.O. Oureilidis and A.G. Bakirtzis
IEEE Transactions on Industry Applications
N. G. Kanelakis, P. N. Biskas, D.I. Chatzigiannis and A. G. Bakirtzis
IEEE Open Access Journal of Power and Energy
A mixed-integer programming approach incorporating cycle-based degradation into day-ahead scheduling.
A modular Python/Julia framework for economic dispatch, OPF, and capacity expansion planning.
Empirical analysis of clearing price dynamics across coupled European electricity markets.
ML-based forecasting for wind and solar generation with probabilistic uncertainty quantification.
Scenario-based analysis of cost-optimal transition pathways under carbon constraints.
Optimal scheduling framework for green hydrogen production and storage co-optimization.
Interested in collaboration, consulting, or our open-source projects? We'd love to hear from you.
info@abacusanalytics.gr
Thessaloniki, Greece
www.abacusanalytics.gr
+30 694 474 2255