GX & Decarbonization Research

Md Harun Or Roshid, Aloke Soumya Saborna, Halimuzzaman Md.

This paper compares solar energy (PV and CSP) with conventional fossil-fuel power plants on efficiency, lifecycle costs, and environmental impact. Using LCOE and energy payback analysis, it finds solar offers long-term benefits despite lowe…

Delgado Ii BB, Calderon AD

This study proposes a hybrid vertical-axis tidal turbine combining a lift-based spherical rotor and a drag-based helical Savonius rotor. CFD simulations and field tests in the Philippines at 0.24–0.58 m/s current velocities confirmed self-s…

Ryś-Jurek R

This study analyzes how much renewable energy production covers energy costs in EU family farms using FSDN data (2014-2023). The Energy Cost Coverage Ratio remained between 30.9% and 39.2% despite a rise in renewable output, as energy costs…

Johannes TR, Kabeya M, Ngongoma MSP

This paper compares conventional and strategic PWM shoot-through placement for Z-source inverters in renewable energy applications. The proposed Modified Maximum Boost Control (MMBC) reduces voltage THD from 4.05% to 1.69% at the cost of lo…

Orozco Bañol S, Escobar Mejía A, Cárdenas Peña DA

This paper proposes a methodology for physically validating and optimally sizing grid-connected PV systems to estimate firm energy for the reliability charge (ENFICC) under the Colombian framework. It integrates NASA POWER meteorological da…

Wang G.

This paper proposes a two-stage stochastic unit commitment model that incorporates frequency security constraints for joint frequency regulation from thermal and storage systems under high renewable penetration. It employs analytical criter…

Hussain M.

This paper examines the role of foreign green finance in promoting renewable energy, focusing on the importance of ESG factors. It questions whether international capital always yields positive outcomes for renewable projects.

Zhao Y.

This paper explores the role of green finance and urban planning in accelerating wind energy deployment in China, highlighting the importance of policy-investment alignment.

Xu Y.

This study compares suspension and biofilm cultivation systems for microalgae biogas production through life-cycle and economic assessments. Biofilm systems may offer advantages in energy consumption and cost, contributing to sustainable bi…

Cellura M.

This review comprehensively evaluates the life cycle environmental impacts of emerging solar cell technologies, from material extraction to disposal. It compares the environmental burdens of new technologies with conventional silicon solar …

Yayan Hendrayana, S. Sodikin, Edi Rusdiyanto

This study develops mitigation strategies for H2S and NH3 emissions from a planned geothermal power plant in West Java, Indonesia. Using SWOT analysis, it proposes four strategic directions: optimizing emergency procedures and real-time mon…

Kornpaphop Ruttanawijit, Taweesup Desua, Y. Tiaple

This study presents a macro-level site suitability assessment for nearshore floating solar PV (N-FPV) in the Gulf of Thailand using AHP-TOPSIS with entropy weighting. Nine coastal provinces are evaluated based on irradiance, wave height, wi…

T. Alizade

This paper analyzes barriers and opportunities for renewable energy development in Azerbaijan, using interviews and comparative analysis. It identifies high costs, weak grid, and insufficient legislation as key constraints. Policy measures …

Erick George Uy

This study develops a resiliency model for renewable energy systems in Mindanao, Philippines, during the COVID-19 pandemic. It evaluates four profiles: energy balance, energy mix, cost, and reliability, achieving an aggregate score of 40.5/…

Jingwei Chen, Dongwei Zhao, Zhi Zhou +1

This paper proposes a unified decision framework for selecting optimal Power Purchase Agreement (PPA) structures—Fixed-Volume, As-Generated, or As-Consumed—to minimize financial risk for both sellers and buyers. Using theoretical analysis a…

Reo Kontani, Kenji Tanaka, K. Ogimoto

This empirical study analyzes strike prices for virtual power purchase agreements (VPPAs) in Japan based on power demand and supply analysis. It provides insights into pricing mechanisms and market conditions for corporate renewable energy …

J. Kean, A. O'Sullivan

European TSOs need accurate day-ahead wind forecasts for bidding zones. This study trains a deep neural network on 1.57 million hourly observations from 36 European BZs using ENTSO-E and Open-Meteo data, outperforming state-of-the-art TSO f…

Nan Jiang, Zeyuan Liu, Zhu Li +4

This paper proposes a power spot market clearing model that relaxes price limits while constraining the average grid price, addressing the failure of narrow price limits under high renewable penetration. Using IEEE 30-bus system and data fr…

Haoyang Fan, Qi Huang, Zhenyuan Zhang +4

This study proposes tunnel transmission for renewable energy in mountainous regions, finding gas-insulated lines cost-effective where environmental costs are high. Multi-physics analysis and lifecycle cost assessment show optimized conducto…

Natanon Tongamrak, Kannapha Amaruchkul, W. Wangdee +1

This paper proposes a two-stage stochastic optimization model for 24/7 carbon-free energy (CFE) operations, minimizing cost while meeting CFE compliance. Using deep learning forecasts for load and solar generation, the model optimizes batte…