Increase In Electricity Production Research Articles

Investigation on the Possibility of Improving the Performance of a Silicon Cell Using Selected Dye Concentrator

There are many opportunities to increase the efficiency of photovoltaic cells. These include solutions such as tracking mechanisms, hybrid systems or dye concentrators. Importantly, their implementation can reduce the number of silicon cells in installations, leading to reduced environmental impact. The principle of a dye concentrator is to focus sunlight onto the surface of PV modules, increasing electricity production. In this study, the potential for increased PV cell efficiency is investigated using a selected dye concentrator—tinted and luminescent acrylic glass (polymethylmethacrylate, PMMA) in yellow and red colors. The experiment included multiple measurement calibrations, such as the temperature of the silicon cell under test and the irradiation, as well as different variants of PV systems consisting of a silicon cell and different types of PMMA. Overall, the results show an increase in PV cell performance and the dependence of the increase on the type of PMMA used. The most favorable of the PV systems tested appeared to be the combination of a PV cell with a red luminescent PV, for which an average efficiency improvement of 1.21% was obtained.

Analysis of Brayton Cycle Efficiency at 100 MW Load Before and After Overhaul of Unit 1 Block 1 At PLTGU PT. PLN Nusantara Power Up Gresik

Electricity is one of the most important needs in everyday life due to technological advances. So various efforts are needed to increase electricity production, one way is to build a power plant that can produce productive electricity so that this happens, one way to determine electricity productivity is the value of cycle efficiency. If the value of the cycle efficiency is higher in a generator, then the PLTG performance will be maximized. And if the cycle efficiency value gets smaller, it can be said that the PLTG's performance is not good. Therefore, to maintain PLTG performance, it is necessary to carry out an overhaul to maintain optimal PLTG performance. In this study using cycle efficiency to determine the increase in efficiency before and after overhaul at a load of 100 MW and the causes, after analyzing the efficiency of the brayton cycle increased from 41% to 42%, the cause was a decrease in turbine efficiency from 74 to 91% and compressor efficiency from 73 to 82% after overhaul the increase affected fuel consumption so that the requirement of kcal/kwh decreased to 3196.4 kcal/ Kwh

Biohydrogen production from solar and wind assisted AF-MEC coupled with MFC, PEM electrolysis of [formula omitted] and [formula omitted] fuel cell for small-scale applications

Small-scale biohydrogen production is a promising option to reduce GHG emissions for a sustainable H2 economy. Thus, solar and wind aided AF-MEC and MFC coupled with the electrolysis of H2O and a H2 fuel cell were developed. The integrated system uses a microwave oven for digestate pretreatment, and solar or wind energy sources to operate the electrical units. The results show that thermal pretreatment of AF digestate facilitated enzymes’ activities, while the highest energy efficiency recorded in MFC was attributed to the use of AF-MEC by-products as feedstock. The generated electricity by MFC in addition to solar or wind energy systems reduced the overall cost by eliminating AF-MEC separation and purification units for biohydrogen recovery. Renewable energy-powered PEMEC produced H2 and O2 and PEMFC generated electricity for the developed system in the absence of wind and sunlight. Energy efficiency >68.6% and H2 selling price <$5/kg which is cheaper than single electrolysis of H2O unit were recorded with a minimal CO2 by-product. By-product CO2 capture is recommended for an increase in electricity production from the MFC unit. In terms of service life and energy required for manufacturing, this developed system for energy conversation and storage outperforms lithium batteries by >10% efficiency.

RES growth linked to grid development. Case Study: Romania

The paper presents Romania to illustrate how more production capacities from renewable energy sources can be integrated as part of the environmental protection and geostrategic policies, in an accelerated energy transition process. Increasing electricity production, especially for the widespread development of wind turbines and rooftop solar PV systems, requires the development of the electrical grid and increased interconnection capacity. The authors of this report also take into account the behavior in different seasons, cold and warm, in terms of the amount of renewable energy injected into the network. The data used in the study is based on the interpreting and associations of various information at the national and European levels, highlighting that the benefits of renewable energy are not only seen in terms of significant reductions in environmental impact but also in terms of cheaper energy! In summary, it is assumed that in 2023-2026, the electricity demand at the level of quality indicators will be covered by investments in new generation facilities related to grid reinforcement measures.

Renewable Energy in Islamic Countries: A Research Map

This research aims to examine the development of research on the topic of Renewable energy in Islamic countries and research plans that can be carried out based on journals published with that theme. This research uses a qualitative method with a bibliometric analysis approach. The data used are secondary data sourced from the Scopus database, with a total of 46 journal articles. Then, the data is processed and analyzed using the VosViewer application with the aim of understanding the bibliometric map of research development. The results of the research found in the bibliometric author mapping that the authors who have published the most research on the theme of Renewable energy in Islamic countries are Latip, Normah Abdul; Karim, Rehmat; Marzuki, Azizan; and Aurko, Shafquat Yasar. Furthermore, based on bibliometric keyword mapping, there are 4 clusters that can be research pathways related to (1)Islamic finance and renewable energy in Islamic countries, (2)increasing electricity production capacity and renewable energy in Islamic countries, (3)energy consumption and renewable energy in Islamic countries, and (4)economic growth and renewable energy in Islamic countries.

Review of Micro- and Nanobubble Technologies: Advancements in Theory and Applications and Perspectives on Adsorption Cooling and Desalination Systems

Adsorption refrigerators are a compelling ecological alternative to compressor refrigerators; global warming forces us to constantly look for alternative sources of energy and cold. Cold production in adsorption chillers is based on the use of heat generated by other processes running in the company. Waste heat from production processes, which has, until now, been irretrievably lost, is a potential source of energy for generating cold via an adsorption unit producing chilled water. Cooling optimizes the use of the heating network in summer and can lead to increased electricity production while reducing heat supply losses. Thus far, attempts to implement adsorption refrigerators for widespread use have not been successful as a result of the low efficiency of these devices; this is directly related to the poor heat and mass transfer conditions in the beds and heat exchangers of adsorption refrigerators. The solutions used so far, such as new working pairs, glued beds or modifications to the structure or cycle length, are still not strong enough for these devices. Therefore, it is necessary to look for new solutions. Using micro- and nanobubbles as media to increase mass and heat transfer in refrigerators is an innovative and pioneering solution. Thus, this document describes the most important features of micro- and nanobubble technology applications in adsorption refrigerators. This article is an introduction and a basis for the implementation of further research, consolidating the existing literature as a review.

Thermodynamic investigation of a novel organic Rankine cycle including partial evaporation, dual-phase expander, flash tank, dry expander and recuperator for waste heat recovery

The optimum exploitation of low-grade waste heat sources is a critical issue for producing clean electricity and promoting sustainability. Organic Rankine Cycle (ORC) is an emerging technology to produce electricity exploiting various energy sources like waste heat recovery, solar irradiation and geothermal energy. The present work suggests a novel ORC architecture that combines different solutions for increasing electricity production from low-grade waste heat sources (e.g., industrial waste heat up to 200 °C). More specifically, the present cycle includes the solution of partial evaporation, dual-phase expansion, flash tank separator, dry expander and recuperator. All these concepts together create a global optimal design which is examined with the environmentally friendly working fluid R1233zd(E). The present work examines the suggested ORC parametrically, and then the design is optimized. According to the results, the present novel configuration was found to outperform compared to the trilateral cycle, classical ORC without superheating, flash tank cycle, and partial evaporation ORC, for waste heat stream temperatures from 80 °C up to 200 °C. Furthermore, the analysis for the novel systems proved that the optimal system energy efficiency was found to range from 2.3% for Tin = 80 °C up to 13.3% for Tin = 200 °C, while the respective exergy efficiency from 27.3% for Tin = 80 °C up to 62.5% for Tin = 200 °C.

Multi-Objective Decision-Making Tool for Envelope Energy Retrofitting Measures of Gated Community Housing in Egypt

Due to climate change, Egypt has recently suffered from recurring electricity crises. Despite efforts made to increase electricity production in Egypt, recently, in the summer months, the energy demand has increased at unprecedented rates, especially in the housing sector. Therefore, the government and homeowners should work together to improve the energy performance of residential buildings. This paper aimed to develop a decision-making tool that helps homeowners choose optimal energy retrofit measures that suit their priorities. The study began with the data-collection and case study selection. Then, the thermal evaluation of the base case for dwellings in the case study was conducted through simulation runs using the DesignBuilder v7.1 software. Then, the optimal envelope energy retrofitting measures were determined, followed by a retrofitting-measure scenario simulation process. Then, the payback periods were calculated for all scenarios, and the tool database was developed using an Excel spreadsheet. Finally, the user interface for envelope energy retrofitting measures for gated communities (EERMGCs) tool was designed by Visual Basic for Applications. EERMGCs, the tool developed in this paper, is a simple, multi-objective and interactive tool that provides the optimal envelope retrofit measures according to user priorities, either a specific budget, the shortest payback period, the lowest possible costs, or the highest energy saving rate. The outcome of this research is developing a framework that can be considered a basis for developing decision-making tools for gated community housing in Egypt.

Winter-time pollution in Central European cities shifts the 208Pb/207Pb isotope ratio of atmospheric PM2.5 to higher values: Implications for lead source apportionment

Atmospheric lead pollution has adverse health effects on humans. Identification of anthropogenic Pb sources is thus crucial for understanding of pollution-related risks and for formulation of efficient abatement strategies. We analyzed concentrations and isotope ratios of Pb in fine air-borne particulate matter (PM2.5) in three Central European cities. Aerosol sampling in 12-h intervals was performed during summer and winter in Hradec Králové, Olomouc and Brno, regional centers of highly industrialized Czech Republic, each with a population of more than 90 thousand. Lead analysis was complemented with concentration measurements of Zn, Cu, Cd, As, Sb, and S. Trace element and PM2.5 concentrations were higher in winter than in summer in all studied cities, on average by 47%. The overall mean concentration of PM2.5 in urban air was 21 μg m−3, similar to that in Bern (Switzerland) and Vienna (Austria). Across the sites, 206Pb/207Pb ratios ranged from 1.142 to 1.178 in summer and from 1.143 to 1.173 in winter. The mean 206Pb/207Pb ratios were statistically indistinguishable in all three studied cities (1.165 in Hradec Králové, 1.163 in Olomouc, and 1.160 in Brno). In the 206Pb/207Pb vs.208Pb/207Pb graph, Pb isotope composition of summer samples formed a straight line, whereas Pb isotope composition of winter samples was shifted toward higher 208Pb/207Pb ratios. A Pb isotope inventory of regional pollution sources indicated that winter-time Pb pollution was not caused solely by household heating and increased electricity production in coal-burning power plants. Recycling of industrial Pb originating from Variscan ores and waste incineration could have shifted the 208Pb/207Pb ratio of PM2.5 to higher values, however, such sources do not emit more Pb in winter than in summer. Remobilization of legacy alkyl-Pb from gasoline additives and Pb emissions from current unleaded gasoline and diesel could have shifted both Pb isotope ratios to lower values.

Mampukah Pembangkit Listrik Tenaga Air Mendorong Green Economy untuk Indonesia?

Attention to the negative impact of economic growth on the environment has emerged in the green economy paradigm. The utilization of hydropower can achieve green energy as part of green econony. To analyze the role of hydropower in driving Indonesia's green energy, the Autoregressive Distributed Lag (ARDL) method was employed. The results show that increased electricity production from hydropower will reduce environmental damage. Meanwhile, the use of fossil fuels will harm the environment for short and long periods. Indonesia is still in a scale of effect because environmental damage indicated by CO2 emission continuously increases due to economic activities. In addition, there is a bidirectional relationship between GDP and CO2 emissions. This means that Indonesia needs a sustainable economic growth. In addition, there is a bidirectional relationship between electricity production from hydropower and CO2 emissions. At the same time, a unidirectional causality presents from GDP to electricity production from hydropower, coal consumption to GDP, and consumption of oil and natural gas to CO2 emissions. The Indonesian government needs to establish policies which reduces consumption of fossil fuels, increases the investors’s interest in renewable energy, and expands the economic capacity to reach the expected turning point of the economic growth.

National and Regional Economic Impacts of changes in Germany's electricity mix: A dynamic analysis through 2050

To meet the net zero emission target by 2045, Germany has planned to phase out coal from electricity production by 2038 and increase electricity production from alternative sources through technological advancements. We examine the impacts of related measures on CO2 emissions, electricity security, and economic output at national and regional levels using a regionalized dynamic computable general equilibrium model. Our results reveal that phasing out coal from the electricity mix reduces electricity generation and increases imports but only slightly reduces electricity supply and economic output. The reduction in CO2 emissions in Germany is significant but insufficient to reach the 2045 net zero emission target. Additional technology advancements in alternative electricity productions accompanying the phase-out may have limited effects on the supply of electricity, economic outputs, and CO2 emissions.

An autoregressive distributed lag approach for estimating the nexus between CO2 emissions and economic determinants in Pakistan.

Carbon dioxide (CO2) emissions have become a critical aspect of the economic and sustainable development indicators of every country. In Pakistan, where there is a substantial increase in the population, industrialization, and demand for electricity production from different resources, the fear of an increase in CO2 emissions cannot be ignored. This study explores the link that betwixt CO2 emissions with different significant economic indicators in Pakistan from 1960 to 2018 using the autoregressive distributed lag (ARDL) modelling technique. We implemented the covariance proportion, coefficient of determination, the Durbin Watson D statistics, analysis of variance (ANOVA), variance inflating factor (VIF), the Breusch-Pagan test, the Theil's inequality, the root mean quare error (RMSE), the mean absolute percentage error (MAPE), and the mean absolute error (MAE) for the diagnostics, efficiency, and validity of our model. Our results showed a significant association between increased CO2 emissions and increased electricity production from oil, gas, and other sources. An increase in electricity production from coal resources was seen to have resulted in a decrease in CO2 emissions. We observed that an increase in the gross domestic product (GDP) and population growth significantly contributed to the increased CO2 emissions. The increment in CO2 emissions resulting from industrial growth was not significant. The increment in CO2 emissions in the contemporary year is significantly associated with the preceding year's increase. The rate of increase was very alarming, a sign that no serious efforts have been channelled in this regard to reduce this phenomenon. We call for policy dialogue to devise energy-saving and CO2 emission reduction strategies to minimize the impact of climate change on industrialization, population growth, and GDP growth without deterring economic and human growth. Electricity production from different sources with no or minimal CO2 emissions should be adopted. We also recommend rigorous tree planting nationwide to help reduce the concentration of CO2 in the atmosphere as well as environmental pollution.

Perspectives of Small-Scale Hydropower Engineering in Ukraine

Every country takes care of energy independence and security by using different energy sources and remarkably increasing electricity production by renewable energy sources. Ukraine is not an exception, especially when the energy infrastructure is significantly damaged during the war and there is a lack of capacities in the energy system. Because of this, the Government of Ukraine is planning a number of measures to launch systems of domestic mini-power plants.Ukraine has favourable conditions for developing the network of small-scale hydropower plants. While the hydropower potential of the largest Ukrainian rivers is used, the potential of small rivers is used only partially. The small-scale hydropower plants were built during the last century very actively. In 1912 the first small-scale hydropower plant was built. From 1923 to 1960, there were 956 hydropower plants with different capacities from a few kW to a few MW. However, at the end of the 1980s, the interest in small hydro decreased because of the construction of the large hydropower plants in the river Dniester and Dnipro, heat and nuclear power plants. Only 49 plants were in operation. Since 1995 the interest in small hydro has increased again. Nowadays, there are about 150 hydropower plants in operation.The paper examines the past and present state of small hydropower plants and perspectives on their development in the future, both by building new or reconstructing existing power plants. The list of hydropower plants with a short description of possible reconstruction is given. Moreover, the way of reducing the negative influence of hydropower plants on the environment is studied. Taking into account the energy issues in Ukraine, the possibilities of off-grid operation of hydropower plants are considered.The importance of energy security was evident from the issues that Ukraine is recently facing. Building new and reconstructing old small-scale hydropower plants will help to ensure the energy security of other types of electricity generation.

Balance and Energy Use of Biogas in Poland: Prospects and Directions of Development for the Circular Economy

The production of biogas from biodegradable waste generated in all sectors of the economy in Poland is a key issue for the diversification of energy sources and climate neutrality. The biogas balances presented in the literature based on bio-waste often contain overly optimistic data, which in reality only represent the theoretical potential of biogas in Poland. The pragmatic approach presented in this study fills a gap in research by presenting a technical balance of biogas (real potential) that can be realistically achieved. The objective of the work was to perform a biogas balance in the context of electricity and heat generation in cogeneration units. The tests made it possible to estimate the technical potential of biogas, depending on the source of its generation, the possibility of its conversion to biomethane and biohydrogen and the methods of its use. The research results showed a 30% increase in biogas potential on an annual basis compared to the current state, resulting in a 29% increase in electricity production and a 28% increase in heat production. The technical potential of biogas was estimated at 2186.62 million m3, which would allow for the production of 4627.06 GWh of electricity and 1869.64 TG of heat. The technical balance of biogas and the potential energy production can serve as input material for developing plans and strategies for the development of renewable energy sources in Poland. The work is consistent with the issues of balancing the renewable energy resources from biogas and the methods of conversion into other energy carriers using sustainable energy transformations in order to optimise energy production processes.

The water, land, and carbon intensity of electricity production: The case of South Africa

Electricity production has a significant impact on the Water-Energy-Food nexus sectors as it requires substantial amounts of water and land, whilst also being a primary polluter of these resources. In addition, electricity production is a key contributor to global carbon emissions. With electricity production predicted to increase by over 50% by 2050, the impact of electricity production on water and land resources, as well as on carbon emissions, will need to be significantly reduced. This is particularly important in countries facing water, energy, and food scarcity and insecurity, such as South Africa. This paper therefore investigates the impact of electricity production on the Water-Energy-Food nexus sectors and on carbon emissions in South Africa. To do this, we conduct a lifecycle assessment of the water and land required for electricity production, as well as its carbon emissions in South Africa, by electricity source, and under key scenarios. The results from the Integrated Resource Plan 2030 scenario show that despite a 34% increase in electricity production targeted from 2018 to 2030 in South Africa, the water and land requirements, and the carbon emissions of electricity production would decrease by 29%, 9%, and 5.5%, respectively. Compared to the Business-as-Usual 2030 scenario, it was shown that the water and land requirements and carbon emissions of electricity production would be 55.5%, 42.6%, and 41.5% lower in the Integrated Resource Plan 2030 scenario, respectively. Overall, the results show that to reduce the impact of electricity production on the Water-Energy-Food nexus sectors and on carbon emissions, switching away from fossil fuels (particularly coal), and promoting the use of non-hydro and non-biomass renewables is required.

Hybrid multi-objective optimization and thermo-economic analysis of a multi-effect desalination unit integrated with a fuel cell-based trigeneration system

Due to fossil fuel depletion and global warming, biomass plays a significant role in supplying the required energy in the industrial and residential sectors. In order to develop clean and efficient conversion technology, an innovative combined cooling, heating and power (CCHP) system based on biomass is introduced in this paper. The proposed system comprises a gasification process, solid oxide fuel cell, gas turbine cycle, Rankine and organic Rankine cycles, absorption chiller, and multi-effect desalination unit simulated in ASPEN. In this system, a new configuration is proposed in order to regenerate the waste heat efficiently at every level of temperature and increase energy and exergy efficiencies. Also, thermodynamics, economic, and sensitivity analyses are performed in order to investigate the energy and exergy efficiencies, the overall cost of the system, and effective parameters. The novel optimization approach (RSM-GA-TOPSIS) is introduced by combining the response surface methodology, genetic algorithm, and Shannon entropy and TOPSIS in order to model and optimize the objective functions in DESIGN EXPERT and MATLAB software, respectively. The objectives of the optimization are maximizing energy and exergy efficiencies and minimizing the overall cost of the system. As a result, based on the initial conditions, the electricity production, overall energy and exergy efficiencies, overall cost of the system, and overall exergy destruction can be acquired at 25.235 MW, 76.69%, 57.07%, 6.1063 × 106 $, and 26.03 MW, respectively. After performing the optimization method, the optimum solution (point 3) is obtained through the TOPSIS approach. In terms of thermodynamics analysis, the electricity production, energy and exergy efficiencies are acquired at 31 MW, 88.15%, and 67.30%, which are increased by 22.85%, 14.94%, and 17.93%, respectively, compared with the initial conditions of the proposed system. In terms of economic analysis of the optimum solution, the annualized total cost, COE, and COTP can be obtained at 6.594 × 106 $, 7.3857 $/GJ, and 6.7624 $/GJ, respectively. By comparing this point to the initial conditions, although the annualized total cost at this point is increased by 7.99%, the COE and COTP are decreased by 12.1% and 10.4% due to a further increase in electricity production. Therefore, for producing energy with high efficiency and low COE, the system should be operated according to the working conditions of this point (point 3).

Exergy and Energy Analysis of Gas Turbine Generator X Combined Cycle Power Plant Using Cycle-Tempo Software

Increasing electricity production must continue to be pursued to meet the increasing electricity needs of the community. One of the efforts that engineers can make is to improve the performance of the main suppliers of electricity needs. It is impossible to separate the role of the system's components from the performance of the gas turbine generator. This journal discusses exergy and energy analysis in the gas turbine generator of X combined cycle power plant through simulation with Cycle-Tempo software. The simulation results show that the highest system energy efficiency is owned by the gas turbine generator unit 2.3 of 35.541%, with a system exergy efficiency of 34.069%. The lowest system energy efficiency is owned by the gas turbine generator unit 2.1 of 31.669%, with a system exergy efficiency of 30.355%. The gas turbine generator component with the lowest exergy efficiency occurs in the combustion chamber of the gas turbine generator unit 2.2 of 76.81%, with exergy destruction of 92.581 MW. Meanwhile, the gas turbine generator component with the highest exergy efficiency occurred in the turbine of the gas turbine generator unit 2.3 of 96.81%, with exergy destruction of 9.762 MW. The simulation results that have been carried out show that the performance of the components in the gas turbine generator is still in good performance, with the lowest exergy efficiency above 75%.

Production of Electricity at the European Union Level vs. Romania

The purpose of this paper is to carry out a quantitative analysis of the electricity production at the level of the European Union (EU) and in Romania, in the period of 2011-2020. To address the current environmental concerns, the package “Fit for 55” proposes that by 2050, most of the energy production will have to come from renewable sources, but the question is whether this desideratum can indeed be achieved. Among the methods used in scientific research, the quantitative analysis was selected and applied in this paper, in order to carry out a detailed statistical analysis on the trend of increase or decrease in the electricity production from different energy resources, and then comparative analysis was performed, so as to draw relevant conclusions in this respect. Through this study, it can be found that, at the level of the European Union, the electricity production from renewable energy resources is increasing, while that from solid fossil fuels is decreasing. In Romania, the same trend of increase and decrease can be observed, except on a smaller scale. Accordingly, the greatest increase in electricity production was recorded from renewable energy resources, for both the EU and Romania, while the biggest decrease in electricity production from fossil fuels. In order to address the decarbonization of the energy system in Romania, the hypothesis that the decrease in total electricity production is due to the decrease in electricity production from solid fossil fuels was tested. However, this hypothesis was only partially confirmed, since the production of electricity from other energy resources, apart from renewable resources and natural gas, also experienced a similar downward trend.

Cooling Water for Electricity Production in Poland: Assessment and New Perspectives

Sustainable development requires a holistic approach to natural resources and ecosystems to avoid their degradation. Cooling water—water used for cooling in industrial or manufacturing processes and then returned at elevated temperature to a local river or lake—is a common cause of thermal pollution. The purpose of the analysis was to assess how much cooling water is currently abstracted to generate electricity in Poland, what the dynamics of this abstraction in the last 20 years (2000–2019) were, and to what extent this abstraction affects the available freshwater resources in the country and in individual river basins. Moreover, the latest plans for the development of the electricity sector in Poland were analyzed to determine how the implementation of these plans may affect cooling water abstractions and the condition of Poland’s freshwater resources. Trend analysis was performed in order to assess the strength of linear trends in the studied time series. The results show that in Poland from 2000–2019, nearly 75% of water abstracted from surface resources was cooling water used to produce electricity. The dynamics of cooling water abstraction show a clear downward trend of 54.5 million m3 annually, despite a significant increase in electricity production. This decline is likely to continue over the next 20 years, with the major unknown being the planned introduction of nuclear power as an energy source.

Closing the Gap between Carbon Neutrality Targets and Action: Technology Solutions for China's Key Energy-Intensive Sectors.

Facing significant carbon emissions annually, China requires a clear decarbonization strategy to meet its climate targets. This study presents a MESSAGEix-CAEP model to explore Chinese decarbonization pathways and their cost-benefit under two mitigation scenarios by establishing connections between five energy-intensive sectors based on energy and material flows. The results indicated the following: 1) Interaction and feedback between sectors should not be disregarded. The electrification process of the other four sectors was projected to increase electricity production by 206%, resulting in a higher power demand than current forecasts. 2) The marginal abatement cost to achieve carbon neutrality across all five sectors was 2189 CNY/tCO2, notably higher than current Chinese carbon emission trading prices. 3) The cost-benefit analysis indicates that a more ambitious abatement strategy would decrease the marginal abatement cost and result in a higher net carbon abatement benefit. The cumulative net benefit of carbon reduction was 7.8 trillion CNY under ambitious mitigation scenario, 1.3 trillion CNY higher than that under current Chinese mitigation scenario. These findings suggest that policy-makers should focus on the interaction effects of decarbonization pathways between sectors and strengthen their decarbonization efforts to motivate early carbon reduction.