OOIR: Observatory of International Research

Papers

(The H4-Index of Renewable & Sustainable Energy Reviews is 144. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-09-01 to 2025-09-01.)

Article	Citations
Editorial Board	1161
Enhancing double-slope solar still performance through integrated channel shape variations: An experimental and numerical simulation investigation	778
Corrigendum to “Emerging business models in local energy markets: A systematic review of peer-to-peer, community self-consumption, and transactive energy models” [Renew Sustain Energy Rev 179 (2023) 1	764
Technology standards for direct current microgrids in buildings: A review	752
A review of the materials utilized in the design and fabrication of biogas digesters	696
Editorial Board	620
Building 100 % inverter-based distributed restart zone to assist system restoration	486
Improving material selection in shopping centres through a parametric life cycle embodied flow and material cost analysis model	472
Enhancing solar PV output forecast by integrating ground and satellite observations with deep learning	459
Energy optimal design of servo-actuated systems: A concurrent approach based on scaling rules	395
Recent progress in microwave-assisted lignin conversion	390
Energy transition governance models and uncertainty: Comparative examination of the World Energy Council ETI framework	385
Integrated application of morphological, anatomical, biochemical and physico-chemical methods to identify superior, lignocellulosic grass feedstocks for bioenergy purposes	376
Hydrogen production via anaerobic digestion of coal modified by white-rot fungi and its application benefits analysis	375
Flexibility chart 2.0: An accessible visual tool to evaluate flexibility resources in power systems	352
Biowaste biorefineries in South Africa: Current status, opportunities, and research and development needs	342
Ex-post analysis of energy subsidy removal through integrated energy systems modelling	329
Ecosystem services and climate action from a circular bioeconomy perspective	314
The impact of landfill operation factors on improving biogas generation in Brazil	313
Lifecycle assessment and environmental impacts of hybrid electric vehicles fuelled by bioethanol and biogas	310
Ruminant methane mitigation: microbiological mechanisms and integrated strategies for sustainable livestock production in the context of climate change	308
Bioinspired spiking spatiotemporal attention framework for lithium-ion batteries state-of-health estimation	306
The “Fresnel Equations” for Diffuse radiation on Inclined photovoltaic Surfaces (FEDIS)	301
Lignin valorization reshapes sustainable biomass refining	298
Advancing thermal control in buildings with innovative cementitious mortar and recycled expanded glass/n-octadecane phase change material composites	288

Solar photovoltaic cooling using Paraffin phase change material: Comprehensive assessment	272
Power system resilience during 2001–2022: A bibliometric and correlation analysis	271
Data-driven wind farm flow control and challenges towards field implementation: A review	271
Energy generation in the canal irrigation network in India: Integrated spatial planning framework on the Upper Ganga Canal corridor	271
China's onshore wind energy potential in the context of climate change	262
A critical review of Madhuca indica as an efficient biodiesel producer: Towards sustainability	260
Accurately forecasting solar radiation distribution at both spatial and temporal dimensions simultaneously with fully-convolutional deep neural network model	256
Direct ammonia fuel cells: A review	254
Optimizing mechanisms for promoting low-carbon manufacturing industries towards carbon neutrality	252
Multiscale study on thermal insulating effect of a hollow silica-coated polycarbonate window for residential buildings	252
Optimizing methodologies of hybrid renewable energy systems powered reverse osmosis plants	252
Developing a framework to assess the long-term adoption of renewable energy technologies in the electric power sector: The effects of carbon price and economic incentives	251
Polymeric membranes for sustainable gas separation: A comprehensive review with challenges, innovations and future perspectives	247
Novel textured surfaces for superior corrosion mitigation in molten carbonate salts for concentrating solar power	244
High-efficiency heating and cooling technology with embedded pipes in buildings and underground structures: A review	242
Comparative analysis of metaheuristic optimization approaches for multisource heat pump operation	240
Exergoeconomic assessment of a high-efficiency compressed air energy storage system	239
Control technologies of wastewater treatment plants: The state-of-the-art, current challenges, and future directions	238
Research progress of enhancing battery safety with phase change materials	237
Hydrogen and syngas production by hybrid filtration combustion: Progress and challenges	236
Navigating the future of flow-induced vibration-based piezoelectric energy harvesting	234
Technical, economic and environmental assessment towards the sustainable goals of photovoltaic systems	233
Energy balancing and storage in climate-neutral smart energy systems	233
Decarbonizing the glass industry: A critical and systematic review of developments, sociotechnical systems and policy options	230
Green hydrogen techno-economic assessments from simulated and measured solar photovoltaic power profiles	230
Pyrolysis of waste lubricating oil/waste motor oil to generate high-grade fuel oil: A comprehensive review	225
Does the environmental Kuznets curve hold across sectors? Evidence from developing and emerging economies	225
Advancements in methane pyrolysis: A comprehensive review of parameters and molten catalysts in bubble column reactors	224
Defining characteristics of peer-to-peer energy trading, transactive energy, and community self-consumption: A review of literature and expert perspectives	220
Applications of blockchain and artificial intelligence technologies for enabling prosumers in smart grids: A review	220
A comprehensive review of energy extraction from low-temperature geothermal resources in hydrocarbon fields	219
Responses of hydroelectricity generation to streamflow drought under climate change	218
Photocatalytic hydrogen production using graphitic carbon nitride (GCN): A precise review	217
Energy mix diversification in emerging economies: An econometric analysis of determinants	214
Suns-Vmp method for health monitoring of 110 PV modules	212
Cellulose-based thermal management composites: An emerging material for multi-industry sustainability	209
A factor analysis and self-organizing map based evaluation approach for the renewable energy heating potentials at county level: A case study in China	209
Review and analysis of advances in functionalized, smart, and multifunctional asphalt mixtures	207
Efficient reduction of CO2 to high value-added compounds via photo-thermal catalysis: Mechanisms, catalysts and apparatuses	207
Quantitative fault detection and diagnosis methods for vapour compression chillers: Exploring the potential for field-implementation	205
Review on the production of renewable biofuel: Solvent-free deoxygenation	205
Application of graphene and graphene derivatives in cooling of photovoltaic (PV) solar panels: A review	205
Optimizing renewable energy utilization with high gain converters	205
A critical review of bamboo construction materials for sustainability	204
Building renovations and life cycle assessment - A scoping literature review	203
A review of the photothermal-photovoltaic energy supply system for building in solar energy enrichment zones	203
Urban solar harvesting: The importance of diffuse shadows in complex environments	198
The carbon reduction potential of hydrogen in the low carbon transition of the iron and steel industry: The case of China	197
Magnetic solid catalysts for sustainable and cleaner biodiesel production: A comprehensive review	194
State-of-the-art technologies for biofuel production from triglycerides: A review	191

Advances in combustion control for natural gas–diesel dual fuel compression ignition engines in automotive applications: A review	190
Prioritising Positive Energy Districts to achieve carbon neutral cities: Delphi-DANP approach	190
Photo-driven enzymatic decarboxylation of fatty acids for bio-aviation fuels production in a continuous microfluidic reactor	189
An efficient process for sustainable and scalable hydrogen production from green ammonia	186
Two-phase operation for coordinated charging of electric vehicles in a market environment: From electric vehicle aggregators’ perspective	185
Thinking green with 2-D and 3-D MXenes: Environment friendly synthesis and industrial scale applications and global impact	185
MXene based composite phase change materials for thermal energy storage applications: Featuring bio-mimic approaches	182
Integrating sustainability across the lifecycle of electric vehicle batteries: Circular supply chain challenges, innovations, and global policy impacts	182
A review on renewable energy-based chemical engineering design and optimization	180
The role of internet of things adoption on the sustainability performance of the renewable energy supply chain: A conceptual framework	180
Recent advance in electrochemically activated supercapacitors: Activation mechanisms, electrode materials and prospects	180
Resilience assessment and planning in power distribution systems: Past and future considerations	179
Rutile TiO2's odyssey into the post-lithium ion battery horizon	177
Evaluation on the effectiveness of energy policies – Evidence from the carbon reductions in 25 countries	177
Making the internet globally sustainable: Technical and policy options for improved energy management, governance and community acceptance of Nordic datacenters	177
Techno-economic analysis and network design for CO₂ conversion to jet fuels in the United States	175
Recent trends in photovoltaic technologies for sustainable transportation in passenger vehicles – A review	174
From knowledge gaps to technological maturity: A comparative review of pathways to deep emission reduction for energy-intensive industries	174
Recovery processes of sustainable energy using different biomass and wastes	172
Biobased phase change materials in energy storage and thermal management technologies	172
An investigation of the recent advances of the integration of solar thermal energy systems to the dairy processes	171
Assuring the integrity of offshore carbon dioxide storage	171
Wind tunnel tests for wind turbines: A state-of-the-art review	170
Measuring energy transition away from fossil fuels: A new index	170
A review of advanced ground source heat pump control: Artificial intelligence for autonomous and adaptive control	170
The effectiveness of green roofs in reducing building energy consumptions across different climates. A summary of literature results	169
Hydrothermal liquefaction of algal feedstocks: The effect of biomass characteristics and extraction solvents	169
Salt hydrate–based gas-solid thermochemical energy storage: Current progress, challenges, and perspectives	168
Current status of biogas upgrading for direct biomethane use: A review	168
Employee energy-saving behaviors: Review of theories, influencing factors, and interventions	167
A review of the pre-chamber ignition system applied on future low-carbon spark ignition engines	167
End-of-life management of solar PV waste in India: Situation analysis and proposed policy framework	166
Green roofs as a nature-based solution for improving urban sustainability: Progress and perspectives	166
The impact of the green technology on the renewable energy innovation: Fresh pieces of evidence under the role of research & development and digital economy	165
Enhanced solar photovoltaic power prediction using diverse machine learning algorithms with hyperparameter optimization	164
Convection heat transfer in enclosures with inner bodies: A review on single and two-phase nanofluid models	164
Unveiling the impact of internal structure on boil-off gas generation in moving liquid hydrogen (LH2) transport trailer	164
Process design and utilisation strategy for CO2 capture in flue gases. Technical assessment and preliminary economic approach for steel mills	164
Honeycomb-like carbon for electrochemical energy storage and conversion	163
Unlocking European biogas and biomethane: Policy insights from comparative analysis	163
Condition-based maintenance of wind turbine structures: A state-of-the-art review	163
Dynamically distributed district heating for an existing system	163
Repurposing coal plants—regional economic impacts from low carbon generation	162
Parametric resonance in wave energy converters and offshore wind turbines: A review	161
Recent advances in black box and white-box models for urban heat island prediction: Implications of fusing the two methods	160
Hydrogen supply chain modelling at energy system scale: A review	160
State-of-the-art sustainable approaches for deeper decarbonization in Europe – An endowment to climate neutral vision	158
A review of operations and maintenance modelling with considerations for novel wind turbine concepts	157
Managing carbon emissions in construction: Current status and emerging trends	155
On the design and analysis of long-term low-carbon roadmaps: A review and evaluation of available energy-economy-environment models	155
Optical-thermal modeling and geographic analysis of dusty radiative cooling surfaces	155
Electric vehicles: To what extent are environmentally friendly and cost effective? – Comparative study by european countries	155
Prioritizing industrial wastes and technologies for bioenergy production: Case study	154
Assessing the sustainability of bioenergy pathways through a land-water-energy nexus approach	154
Nickel manganite-based materials for electrochemical supercapacitors: An overview	152
Dynamic analysis of an adiabatic compressed air energy storage system with temperature-regulated in air tanks	151
A review on the deployment of demand response programs with multiple aspects coexistence over smart grid platform	151
Continuous cultivation of microalgae in photobioreactors as a source of renewable energy: Current status and future challenges	150
Inorganic nanoparticles to overcome efficiency inhibitors of organic photovoltaics: An in-depth review	149
Distributed local energy: Assessing the determinants of domestic-scale solar photovoltaic uptake at the local level across England and Wales	149
Implication of electrification and power decarbonization in low-carbon transition pathways for China, the U.S. and the EU	149
Machine learning-based digital district heating/cooling with renewable integrations and advanced low-carbon transition	149
Order-disorder transition mechanism for high-capacity amorphous anodes of lithium-ion batteries	148
Low temperature heating methods for lithium-ion batteries: A state-of-art review based on knowledge graph	146
Near-term infrastructure rollout and investment strategies for net-zero hydrogen supply chains	146
Empowering metal oxide photoanodes via zeolitic imidazolate frameworks for efficient photoelectrochemical water splitting: Current advances and future perspectives	146
Renewable and sustainable energy challenges to face for the achievement of Sustainable Development Goals	145
Energy security challenges and opportunities in the carbon neutrality context: A hierarchical model through systematic data-driven analysis	144
A comprehensive analysis of time-dependent performance of a solar chimney power plant equipped with a thermal energy storage system	144