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Emerging Trends in Energy Economics: 3rd Edition
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Emerging Trends in Energy Economics: 3rd Edition

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "C: Energy Economics and Policy".

Deadline for manuscript submissions: 5 March 2026 | Viewed by 7358

Special Issue Editors

Prof. Dr. Periklis Gogas

E-Mail Website
Guest Editor
Department of Economics, Democritus University of Thrace, 69100 Komotini, Greece
Interests: artificial intelligence; machine learning; macroeconomics; monetary economics; financial economics; international economics; complexity; nonlinean dynamics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Theophilos Papadimitriou

E-Mail Website
Guest Editor
Department of Economics; Democritus University of Thrace, 69100 Komotini, Greece
Interests: data analysis; machine learning; artificial intelligence; complex networks; deep learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue will focus on emerging methodologies of analysis, description, modeling, and forecasting in the area of Energy Economics.

We seek submissions of empirical work in energy economics, i.e., production, distribution, storing, forecasting, financing, risk, taxation, trading, exchanges, networks, etc., in spot and derivatives markets. These may refer to electricity, hydrocarbons, fossil fuels, renewable energy, CO2, etc.

We are focusing on emerging and innovative methodological approaches from the areas of machine learning, artificial intelligence, complex networks, operations research, econometrics and statistics aiming to model, describe or forecast the energy markets at all levels. The practical importance of the results to policy makers and the relevant stakeholders in terms of regulating, pricing, and even the environmental and social welfare aspects of energy in income and poverty is a plus.

Theoretical robustness, methodological innovation, and possible applicability of the conclusions are the basic requirements for a paper to be considered for publication.

Prof. Dr. Periklis Gogas
Prof. Dr. Theophilos Papadimitriou
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • energy
  • machine learning
  • econometrics
  • complex
  • networks
  • operations
  • research
  • statistics
  • modelling
  • forecasting

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Related Special Issue

Published Papers (4 papers)

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Research

40 pages, 1068 KB  
Article
Strategic Analysis of the Vanadium Market: A Critical Element for EU Green Energy
by Iván Jares Salguero, Guillermo Laine-Cuervo and Efrén García-Ordiales
Energies 2025, 18(24), 6476; https://doi.org/10.3390/en18246476 - 10 Dec 2025
Viewed by 100
Abstract
The EU’s green transition hinges on secure access to critical raw materials; vanadium is pivotal for microalloyed steels and emerging long-duration energy storage (VRFBs). Methods: We combine a market and technology review with PESTEL and Porter-5+2 analyses, complemented by a value-chain assessment and [...] Read more.
The EU’s green transition hinges on secure access to critical raw materials; vanadium is pivotal for microalloyed steels and emerging long-duration energy storage (VRFBs). Methods: We combine a market and technology review with PESTEL and Porter-5+2 analyses, complemented by a value-chain assessment and a SWOT-to-CAME strategy for the EU. Results: Vanadium supply is highly concentrated (VTM-derived, largely in CN/RU/ZA), prices are volatile, and >85% of demand remains tied to steel; yet VRFBs could shift demand shares by 2030 if costs—dominated by electrolyte—are mitigated. EU weaknesses include lack of primary mining and refining capacity; strengths include research leadership, regulatory frameworks and circularity potential (slag/catalyst recovery, electrolyte reuse). Conclusions: A resilient EU strategy should prioritize circular supply, selective upstream partnerships, battery-grade refining hubs, and targeted instruments (strategic stocks, offtake/price-stabilization, LDES-ready regulation) to de-risk vanadium for grid storage and low-carbon infrastructure. This study also discusses supply chain concentration and price volatility, and outline circular-economy pathways and decarbonization policy levers relevant to the EU’s green energy transition. Full article
(This article belongs to the Special Issue Emerging Trends in Energy Economics: 3rd Edition)
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27 pages, 1471 KB  
Article
The Spanish Energy Storage Market: Foundations for a Clean Energy Future
by Guillermo Laine Cuervo, Iván Jares Salguero and Efrén García Ordiales
Energies 2025, 18(21), 5788; https://doi.org/10.3390/en18215788 - 3 Nov 2025
Viewed by 1319
Abstract
Spain’s accelerating renewable deployment has exposed growing challenges of intermittency, market volatility, and system stability, underscoring the urgency of energy storage integration. This paper examines the economic and regulatory viability of lithium-ion battery storage when hybridized with photovoltaic and run-of-river hydro generation. By [...] Read more.
Spain’s accelerating renewable deployment has exposed growing challenges of intermittency, market volatility, and system stability, underscoring the urgency of energy storage integration. This paper examines the economic and regulatory viability of lithium-ion battery storage when hybridized with photovoltaic and run-of-river hydro generation. By analyzing captured price trends, intraday spreads, and feedback effects on market dynamics, we assess how battery storage enhances revenue certainty and system resilience. Results indicate that stand-alone arbitrage is insufficient under current conditions, whereas PV–BESS hybridization emerges as the most viable near-term pathway. Additional revenues from capacity mechanisms and ancillary services are identified as critical to ensure long-term investment feasibility. The April 2025 blackout highlighted Spain’s systemic vulnerability and reinforced the strategic importance of storage deployment. Our findings demonstrate that the success of the Spanish energy transition depends not only on continued cost reductions in battery technology but also on coherent regulatory design and infrastructure planning to secure large-scale integration. Full article
(This article belongs to the Special Issue Emerging Trends in Energy Economics: 3rd Edition)
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26 pages, 1389 KB  
Article
Forest Biomass Fuels and Energy Price Stability: Policy Implications for U.S. Gasoline and Diesel Markets
by Chukwuemeka Valentine Okolo and Andres Susaeta
Energies 2025, 18(14), 3732; https://doi.org/10.3390/en18143732 - 15 Jul 2025
Viewed by 1470
Abstract
U.S. gasoline and diesel prices are often volatile, driven by geopolitical risks and disruptions in the fossil fuel market. Forest biomass fuels, particularly renewable diesel derived from logging residues, offer a low-carbon alternative with the potential to stabilize fuel prices. This study evaluates [...] Read more.
U.S. gasoline and diesel prices are often volatile, driven by geopolitical risks and disruptions in the fossil fuel market. Forest biomass fuels, particularly renewable diesel derived from logging residues, offer a low-carbon alternative with the potential to stabilize fuel prices. This study evaluates whether biomass can moderate fuel price volatility using ANOVA, Tukey post hoc tests, and quadratic regression based on monthly data for biomass production, inventories, and retail fuel prices. Findings reveal the existence of a significant nonlinear relationship between forest biomass inventory levels and fossil fuel prices. Average gasoline prices peaked in the medium-inventory group (M = 0.837) and dropped in the high-inventory group (M = 0.684). Diesel prices followed a similar pattern, with the highest values in the medium-inventory group (M = 0.963) and the lowest in the high-inventory group (M = 0.759). One-way ANOVA results were statistically significant for both gasoline (F(2, 99) = 7.39, p = 0.001) and diesel (F(2, 99) = 7.22, p = 0.0012). Tukey tests confirmed that diesel prices fell significantly from both medium to high and low to high-inventory levels. This result remains robust when using the biomass index level and the biomass production level. These results indicate a threshold effect: only at higher biomass inventories do fossil fuel prices decline, suggesting a potential for substitution. However, current policies inadequately support biomass integration, highlighting the need for targeted reforms. Full article
(This article belongs to the Special Issue Emerging Trends in Energy Economics: 3rd Edition)
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22 pages, 7431 KB  
Article
Navigating Electricity Market Design of Greece: Challenges and Reform Initiatives
by Eleni Ntemou, Filippos Ioannidis, Kyriaki Kosmidou and Kostas Andriosopoulos
Energies 2025, 18(10), 2575; https://doi.org/10.3390/en18102575 - 16 May 2025
Viewed by 3512
Abstract
The huge penetration of renewable energy sources poses several challenges for the function of electricity markets, such as increased price volatility and massive curtailments. This paper investigates the current structure of the wholesale electricity market in Greece under the Target Model guidelines. Our [...] Read more.
The huge penetration of renewable energy sources poses several challenges for the function of electricity markets, such as increased price volatility and massive curtailments. This paper investigates the current structure of the wholesale electricity market in Greece under the Target Model guidelines. Our analysis put under scrutiny the formation and function of both spot and balancing markets by highlighting key challenges and reforms. Empirical evidence reveals that the domestic market is currently in accordance with the European Target Model; however, the anticipated benefits in terms of more competitive prices are not evident yet. The oversupply of electricity accompanied by low demand that is apparent in the Greek market points to the rapid participation of storage units in the system. The paper provides a detailed description of the recent support mechanism to facilitate the integration of BESS into the system. Eventually, this is anticipated to reduce price volatility and smoothen the price curves. Full article
(This article belongs to the Special Issue Emerging Trends in Energy Economics: 3rd Edition)
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