default author photo

Libor Stěpanec

VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science

Professor

SCHOLARLY PAPERS

7

DOWNLOADS

232

TOTAL CITATIONS

1

Scholarly Papers (7)

1.

Optimizing Solar PV Tilt Angles and Energy Yield Across Global Climate Zones: A Hybrid Machine Learning and PVLib Approach

Renewable Energy, volume 260, 2026[10.1016/j.renene.2025.125163]
Number of pages: 13 Posted: 16 Nov 2025 Last Revised: 17 Feb 2026
VSB - Technical University of Ostrava, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, Technical University Of Crete, VSB - Technical University of Ostrava and VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science
Downloads 65 (989,921)
Citation 1

Abstract:

Loading...

Photovoltaic Systems, Optimal Tilt Angle, Machine Learning, Solar Energy Forecasting, PVLib Simulation, Climate Zone Analysis

2.

How Renewable Energy Mix Shapes Day-Ahead Price Predictability: A Comparative Analysis of Solar, Wind, and Biomass in Czechia

Number of pages: 29 Posted: 19 Dec 2025
VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, Technical University Of Crete, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava and VSB - Technical University of Ostrava
Downloads 46 (1,157,785)

Abstract:

Loading...

day-ahead electricity prices, renewable energy penetration, solar and biomass generation, machine learning forecasting, SHAP explainability analysis, Czech electricity market

3.

Decentralized Solar PV Systems for Energy Resilience: Lessons from Myanmar’s Post-2021 Political Turmoil

Number of pages: 28 Posted: 18 Feb 2026 Last Revised: 10 Mar 2026
VSB - Technical University of Ostrava, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, Technical University Of Crete, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science and VSB - Technical University of Ostrava
Downloads 36 (1,304,549)

Abstract:

Loading...

Decentralized Solar PV, Energy Resilience, Political Instability, Myanmar Energy Sector, Renewable Energy Transition

4.

Self-Supervised Market-State Embeddings for Demand-Response Window Design: Evidence from Czech Republic and Greece Electricity Markets

Number of pages: 22 Posted: 21 Nov 2025
VSB - Technical University of Ostrava, Technical University Of Crete, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava and affiliation not provided to SSRN
Downloads 32 (1,304,549)

Abstract:

Loading...

Demand Response, Self-Supervised Learning, Market-State Embeddings, Conformal Prediction, Early Warning, Electricity Markets

5.

Mechanistic Machine Learning for Biomass Pyrolysis: Integrating Lignocellulosic Structure, Thermal Severity, and Multi-Objective Optimization for Organic Bio-Oil Yield

Number of pages: 36 Posted: 19 Jan 2026
VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, University of Naples Federico II, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava and VSB - Technical University of Ostrava
Downloads 26 (1,411,822)

Abstract:

Loading...

Biomass fast pyrolysis, Organic bio-oil yield, Machine learning, Explainable artificial intelligence, Multi-objective optimization, Bayesian optimization

6.

Unsupervised Learning-Based Operational Regime Discovery and Weather Sensitivity Analysis of a Residential Photovoltaic Battery System for Energy Management

Number of pages: 23 Posted: 28 Mar 2026
VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, Technical University Of Crete and VSB - Technical University of Ostrava
Downloads 18 (1,481,165)

Abstract:

Loading...

Photovoltaic systems, Unsupervised learning, Clustering algorithms, Load profiling, Feature engineering, Renewable Energy Integration

7.

Self-Supervised Market-State Embeddings for Demand-Response Window Design: Evidence from Czech Republic, Greece, Poland and Germany Electricity Markets

Number of pages: 64 Posted: 19 May 2026
VSB - Technical University of Ostrava, Technical University Of Crete, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava - Faculty of Electrical Engineering and Computer Science and VSB - Technical University of Ostrava
Downloads 9 (1,561,096)

Abstract:

Loading...

Demand Response, Self-Supervised Learning, Market-State Embeddings, Conformal Prediction, Electricity Markets, Renewable Energy Integration