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Spatial analysis of state policy effects on renewable energy generation capacity in the United States 美国各州政策对可再生能源发电能力影响的空间分析
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-30 DOI: 10.1016/j.jup.2025.102080
Pinky Thomas , Alan R. Collins , Xiaoli Etienne
This study evaluates the effectiveness of state-level policies on renewable energy (RE) generation capacity in the United States. Using a comprehensive panel dataset of 3017 counties from 2009 to 2019, we account for county-level variations in policy implementation and employ spatial panel models to capture spillover effects among neighboring counties. Our findings reveal that Renewable Portfolio Standards, expressed as percentage targets, significantly increase RE generation capacity across all sources. Property tax reductions boost solar and wind capacity but do not affect hydro and geothermal energy. In contrast, Energy Efficiency Resource Standards are negatively associated with hydro and geothermal capacity. Other policies, such as the Mandatory Green Power Option, sales tax incentives, and market deregulation, have shown no significant linkage with RE capacity. The results further indicate that spatial spillover effects are more pronounced for solar and wind generation capacity than for hydro and geothermal generation capacity. These findings highlight the need for tailored policies that consider the unique characteristics of each renewable energy source and account for regional interdependence in policy design.
本研究评估了美国各州可再生能源(RE)发电能力政策的有效性。利用2009年至2019年3017个县的综合面板数据集,我们考虑了政策执行的县级差异,并采用空间面板模型来捕捉相邻县之间的溢出效应。我们的研究结果表明,可再生能源投资组合标准(以百分比目标表示)显着增加了所有来源的可再生能源发电能力。财产税的削减提高了太阳能和风能的产能,但对水电和地热能没有影响。相比之下,能源效率资源标准与水力和地热能力呈负相关。其他政策,如强制性绿色电力选择、销售税激励和市场放松管制,都没有显示出与可再生能源容量的显著联系。研究结果进一步表明,太阳能和风能发电能力的空间溢出效应比水电和地热发电能力的空间溢出效应更为明显。这些发现突出表明,需要制定有针对性的政策,考虑到每一种可再生能源的独特特征,并考虑到政策设计中的区域相互依存关系。
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引用次数: 0
Developing localized net-zero pathways for Vietnam's energy sector: A case study of two provinces 为越南能源部门制定本地化的净零排放途径:以两个省为例
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-27 DOI: 10.1016/j.jup.2025.102098
Nguyen Duc Tuyen , Vu Quoc Anh , Nguyen Dang Duong , Nguyen Linh Dan , Do Huy Toan
At COP26, Vietnam pledged to reach Net-zero (NZ) emissions by 2050. To support this goal, this study introduces a model for developing local NZ pathways, with a focus on the energy sector—the largest source of emissions. It assesses the potential of renewable energy, forest carbon sinks, transport electrification, and energy efficiency to shape region-specific plans. Tay Ninh province, known for its high solar potential, and Quang Tri, rich in forest carbon sinks, are examined as case studies to demonstrate the differences in NZ pathways in solar-dominant and forest-dominant provinces. Based on the findings, feasible NZ scenarios and policy recommendations are proposed to guide local action, contributing meaningfully to Vietnam's national NZ roadmap.
在COP26上,越南承诺到2050年实现净零排放(NZ)。为了实现这一目标,本研究引入了一个模型,用于开发新西兰当地的途径,重点关注能源部门-最大的排放源。它评估了可再生能源、森林碳汇、交通电气化和能源效率的潜力,以制定具体的区域计划。以其高太阳能潜力而闻名的德宁省和森林碳汇丰富的广治省作为案例研究,以展示太阳能优势省份和森林优势省份在新西兰路径上的差异。根据调查结果,提出了可行的新西兰情景和政策建议,以指导当地行动,为越南的国家新西兰路线图做出有意义的贡献。
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引用次数: 0
Policy and regulatory challenges in decentralised renewable energy deployment: Case studies from Nigeria, Liberia, and Malawi 分散式可再生能源部署中的政策和监管挑战:来自尼日利亚、利比里亚和马拉维的案例研究
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-24 DOI: 10.1016/j.jup.2025.102075
Chibuisi Chinasaokwu Okorieimoh , Ehiaze Augustin Ehimen
Decentralised renewable energy (DRE) systems are widely acknowledged as a pragmatic route to universal electricity access in sub-Saharan Africa; yet, the comparative evidence on how regulatory weaknesses alter their scalability remains thin. Existing syntheses predominantly examine stable political economies (such as Kenya and Rwanda), leaving the political-economy dynamics of fragile states understudied. This paper closes that gap by analysing how policy and regulatory frameworks shape the deployment of DRE outcomes in Nigeria, Liberia, and Malawi, three countries that score below regional means on the African Development Bank's Electricity Regulatory Index and the World Bank's Regulatory Indicators for Sustainable Energy. Employing a qualitative comparative case-study design, we (i) trace within-case causal chains through document-based process-tracing and (ii) test cross-case convergence using pattern-matching on six governance dimensions validated by recent benchmarking literature. The evidence base integrates legal texts, donor reports, and the Electricity Regulatory Index/Regulatory Indicators for Sustainable Energy time series, triangulated to ensure reliability and validity. Findings reveal that overlapping mandates, weak enforcement capacity, and fragmented donor engagement systematically hinder the deployment of DRE, whereas targeted policy innovations, such as Nigeria's state-level minigrid licensing, demonstrate pathways to improvement. We offer actionable lessons on institutional alignment, donor coordination, and tariff reform that can inform regulatory upgrades in similarly constrained settings. By foregrounding fragile-state contexts, the study enriches comparative DRE scholarship and provides a diagnostic framework that is transferable to other low-capacity energy systems.
分散式可再生能源(DRE)系统被广泛认为是撒哈拉以南非洲实现普遍供电的务实途径;然而,关于监管弱点如何改变其可扩展性的比较证据仍然很少。现有的综合研究主要考察稳定的政治经济(如肯尼亚和卢旺达),而对脆弱国家的政治经济动态研究不足。本文通过分析尼日利亚、利比里亚和马拉维的政策和监管框架如何影响DRE成果的部署,缩小了这一差距。这三个国家在非洲开发银行的电力监管指数和世界银行的可持续能源监管指标中得分低于地区平均水平。采用定性比较案例研究设计,我们(i)通过基于文档的流程跟踪来追踪案例内部的因果链,(ii)通过最近的基准测试文献验证的六个治理维度上的模式匹配来测试跨案例收敛性。证据库整合了法律文本、捐助者报告和电力监管指数/可持续能源监管指标时间序列,并进行了三角测量,以确保可靠性和有效性。调查结果显示,重叠的授权、薄弱的执法能力和分散的捐助者参与系统性地阻碍了DRE的部署,而有针对性的政策创新,如尼日利亚的州一级微型电网许可,则展示了改进的途径。我们在机构协调、捐助者协调和关税改革方面提供了可操作的经验教训,可为类似受限环境下的监管升级提供参考。通过突出脆弱状态背景,该研究丰富了比较DRE的学术研究,并提供了可转移到其他低容量能源系统的诊断框架。
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引用次数: 0
Building stakeholder trust in regulatory governance: Evidence from Ghana's public utilities regulatory commission 建立利益相关者对监管治理的信任:来自加纳公用事业监管委员会的证据
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-22 DOI: 10.1016/j.jup.2025.102082
Tia Abdulai Robert Aziz , Emmanuel Kems Bigodza , Albert Ahenkan , James Kwame Mensah
This study examines the determinants of stakeholder trust in the Public Utilities Regulatory Commission (PURC) of Ghana by investigating the influence of five (5) governance constructs (independence, transparency, effectiveness, regulatory responsiveness, and accountability). Drawing on the stakeholder theory and literature on regulatory governance, the study employed cross-sectional data using a sample of 280 stakeholders from various sectors. The findings provide strong empirical support for the hypothesized relationships between stakeholder trust and four of the constructs: independence, transparency, regulatory responsiveness, and effectiveness. However, accountability did not emerge as a statistically significant predictor. Perceived independence and effectiveness consistently demonstrate a statistically significant positive association with stakeholder trust, highlighting the centrality of institutional autonomy and performance in shaping confidence in regulatory institutions. Transparency and responsiveness are also relevant, albeit with relatively smaller effect sizes, indicating that while openness and attentiveness enhance stakeholder confidence, they do not outweigh the foundational importance of independence and institutional effectiveness. Taken together, these results advance both theoretical understanding and practical implications of how regulatory bodies in developing country contexts build and sustain trust among diverse stakeholders. Theoretically, the study contributes to scholarship on governance and stakeholder trust by reinforcing the salience of independence and effectiveness as essential qualities of regulatory legitimacy in developing countries. Practically, these findings carry important implications for regulatory policy and practice in Ghana and similar developing country contexts. PURC must strengthen its institutional independence from political interference and improve the perceived effectiveness of its regulatory mandate to improve stakeholder trust.
本研究通过调查五(5)个治理结构(独立性、透明度、有效性、监管响应性和问责制)的影响,探讨了加纳公用事业监管委员会(PURC)中利益相关者信任的决定因素。借鉴利益相关者理论和有关监管治理的文献,本研究采用了来自不同部门的280名利益相关者样本的横断面数据。研究结果为利益相关者信任与四个结构(独立性、透明度、监管响应性和有效性)之间的假设关系提供了强有力的实证支持。然而,问责制并没有成为统计上显著的预测因素。感知到的独立性和有效性始终显示出与利益相关者信任的统计显著正相关,突出了机构自治和绩效在塑造监管机构信心方面的中心地位。透明度和响应性也有相关性,尽管影响规模相对较小,这表明虽然开放和关注增强了利益相关者的信心,但它们并不超过独立性和机构有效性的基础重要性。综上所述,这些结果促进了对发展中国家监管机构如何在不同利益相关者之间建立和维持信任的理论理解和实践意义。从理论上讲,该研究通过强调独立性和有效性作为发展中国家监管合法性的基本品质的重要性,有助于治理和利益相关者信任方面的学术研究。实际上,这些发现对加纳和类似发展中国家的监管政策和实践具有重要意义。PURC必须加强其不受政治干预的机构独立性,并提高其监管授权的感知有效性,以提高利益相关者的信任。
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引用次数: 0
Synergy or conflict? Assessing the combined emission reduction effects of environmental taxation and carbon trading in China's power sector 协同还是冲突?中国电力行业环境税与碳交易的联合减排效果评估
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-21 DOI: 10.1016/j.jup.2025.102084
Song Chai , Jin Yang , Xintian Bi , Lin Tang , Maiyue Zhang , Jie Zhu
As environmental policies continue to proliferate, growing attention has turned to how one instrument may unintentionally offset or undermine the effectiveness of another. In China's power sector, for example, the Environmental Protection Tax (ET) may reduce emissions independently, but in doing so, it alters baseline conditions, depresses carbon prices, and weakens the incentive function of the Emissions Trading Scheme (ETS). This form of indirect policy interference has received limited empirical scrutiny. To address this gap, we develop a policy interaction framework to empirically assess the combined effects of ET and ETS in China's power sector. Leveraging a multi-period difference-in-differences model and variation in pilot policy implementation across provinces, we estimate the heterogeneous impacts of individual and joint policy treatments on carbon intensity. We also examine the transmission mechanism through which ET affects the carbon market by influencing allowance price dynamics. Our results show that both ETS and ET independently reduce carbon intensity, and that the effectiveness of ET increases with higher tax rates. However, when implemented concurrently, elevated tax rates suppress carbon prices and erode the market incentives intended by ETS. Mechanism analysis reveals that overlapping compliance costs can distort price signals and lead to suboptimal abatement behavior. These findings highlight a critical trade-off in hybrid environmental governance and underscore the need for better coordination between fiscal and market-based instruments to improve policy coherence and climate mitigation effectiveness, particularly in developing economies undergoing institutional transition.
随着环境政策的不断扩散,越来越多的注意力转向一种工具如何可能无意中抵消或破坏另一种工具的有效性。例如,在中国的电力行业,环境保护税(ET)可以独立地减少排放,但在这样做的过程中,它改变了基准条件,压低了碳价格,削弱了排放交易计划(ETS)的激励功能。这种形式的间接政策干预受到了有限的实证审查。为了解决这一差距,我们开发了一个政策互动框架,以经验评估碳排放交易和碳排放交易在中国电力行业的综合效应。利用多时期差异中差异模型和各省试点政策实施的差异,我们估计了单独和联合政策处理对碳强度的异质性影响。我们还研究了排放配额通过影响配额价格动态来影响碳市场的传导机制。我们的研究结果表明,碳排放交易体系和碳排放交易体系都能独立降低碳强度,并且碳排放交易体系的有效性随着税率的提高而提高。然而,如果同时实施,高税率会抑制碳价格,并削弱ETS所打算的市场激励。机制分析表明,重叠的合规成本会扭曲价格信号,导致次优减排行为。这些研究结果强调了混合环境治理的关键权衡,并强调需要更好地协调财政和市场手段,以提高政策一致性和减缓气候变化的有效性,特别是在正在进行体制转型的发展中经济体。
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引用次数: 0
Welfare-maximizing market procurement of flexibility services for distribution network planning 配电网规划柔性服务的福利最大化市场采购
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-17 DOI: 10.1016/j.jup.2025.102086
Ricardo Messias , Pedro M.S. Carvalho , Jorge Sousa
The ability of a power system to balance network investment with demand flexibility services is key to a decarbonized energy system. However, integrating flexibility services into distribution network planning raises challenges of procurement design and market structure. This paper addresses the research gap concerning the economic implications of local flexibility markets where the distribution system operator (DSO) acts as the single buyer. We propose a procurement mechanism that embeds counterfactual investment valuation into a pay-as-bid clearing rule and determines equilibrium through Marshallian surplus maximization. The methodology is illustrated with numerical case studies that compare procurement outcomes under complete and incomplete supply offers. Results show that, even when some bids exceed the DSO's valuation threshold, accepting them can increase welfare, thereby delivering efficient and rational price signals. These findings challenge the view that monopsony inevitably distorts markets: when disciplined by transparent and auditable valuation, it can support neutrality and efficiency. The framework aligns with the forthcoming Network Code on Demand Response and Distribution Network Development Plans disclosed, offering regulators and DSOs a practical tool for market-based procurement and a ready candidate for regulatory sandboxes.
电力系统平衡网络投资与需求灵活性服务的能力是实现脱碳能源系统的关键。然而,将柔性服务整合到配电网规划中,对采购设计和市场结构提出了挑战。本文讨论了配电系统运营商(DSO)作为单一购买者的本地柔性市场的经济影响的研究空白。我们提出了一种采购机制,该机制将反事实投资估值嵌入到按出价支付的清算规则中,并通过马歇尔盈余最大化来确定均衡。该方法用数字案例研究来说明,比较了完全供应和不完全供应情况下的采购结果。结果表明,即使一些出价超过了DSO的估值阈值,接受它们也可以增加福利,从而传递有效和理性的价格信号。这些发现挑战了垄断不可避免地扭曲市场的观点:当受到透明和可审计估值的约束时,它可以支持中立性和效率。该框架与即将发布的《需求响应网络规范》和《配电网发展计划》相一致,为监管机构和dso提供了基于市场的采购实用工具,并为监管沙箱提供了现成的候选工具。
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引用次数: 0
Reactive power market design for unutilized grid-forming assets to address power factor penalties in Turkiye 针对土耳其未利用并网资产的无功功率市场设计,以解决功率因数惩罚问题
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-17 DOI: 10.1016/j.jup.2025.102083
Sinem Kol , Gokturk Poyrazoglu , Hasan Yilmaz
The increasing penetration of small-scale PV distributed generation in medium-voltage networks has introduced unexpected challenges. While PV generation reduces the real power drawn from the transmission grid, the absence of monetization for reactive power means that reactive demand remains unchanged. This mismatch results in declining power factors and potential financial penalties for DSOs. A local reactive power market offers an alternative solution, not for voltage stability but specifically for maintaining the power factor. This paper proposes a reactive market framework tailored for Turkiye, covering its operational steps, market-clearing process, demand elasticity, payment structure, and mathematical model. The framework incorporates a ±10% forecast tolerance to discourage gaming and promote fairness. It introduces the concept of a sustainability threshold to ensure that energy sustainability remains central to the system operations. Finally, two key regulatory proposals are discussed to accelerate implementation: spatial aggregation of power factor limits to increase competitiveness and dynamic, seasonally-adjusted thresholds to reflect demand seasonality.
小型光伏分布式发电在中压电网中的日益普及带来了意想不到的挑战。虽然光伏发电减少了从输电网获取的实际电力,但无功电力缺乏货币化意味着无功需求保持不变。这种不匹配导致功率因数下降,并可能对dso造成经济处罚。当地的无功电力市场提供了另一种解决方案,不是为了电压稳定,而是为了维持功率因数。本文提出了一个为土耳其量身定制的反应式市场框架,涵盖其操作步骤、市场清算流程、需求弹性、支付结构和数学模型。该框架包含了±10%的预测容忍度,以阻止游戏和促进公平。它引入了可持续性阈值的概念,以确保能源可持续性仍然是系统运行的核心。最后,讨论了加快实施的两个关键监管建议:提高竞争力的功率因数限制的空间聚集和反映需求季节性的动态季节性调整阈值。
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引用次数: 0
Leveraging enhanced consumer engagement to achieve demand response and flexibility in an Indian energy community 利用增强的消费者参与,在印度能源社区实现需求响应和灵活性
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-17 DOI: 10.1016/j.jup.2025.102077
Robins Anto , Rhythm Singh , Dipanwita Ray , Syed Hasan Imam , Amit Arora
Demand flexibility is a promising resource for demand-side management. Globally, with increased renewable penetration and electrified loads, utilities are developing robust frameworks to aggregate flexible loads for Demand Response and enhance grid decarbonisation. This research concentrates on a demand response programme, titled ‘Urja Arpan’ (Energy Sacrifice), implemented in New Delhi, India, and led by the utility company TATA Power Delhi Distribution Limited. This novel concept focuses on enhancing consumer engagement within an energy community, comprising residential, commercial, and industrial consumers, to alleviate grid strain and optimise network utilisation through demand flexibility. The DR programme currently involves 67,000 residential consumers and 24,600 commercial and industrial (C&I) consumers. The utility used smart meter data and program enrollment records to analyse participation trends and quantify peak load reduction during 2022–2024. The DR events achieved a flexible demand of 7.69 MW in 2022, 85 MW in 2023, and 560 MW in 2024, showing a remarkable increasing trend over the years. This demand response program offered no incentives or subsidies to residential, commercial, or industrial consumers for providing demand flexibility, a unique aspect of this work. Instead, every participant was nominated for a prize drawing after every DR event. The primary driving factors for participating consumers are energy savings and an interest in sustainable energy and environmental protection. The results demonstrate that community-based, non-monetary DR models can achieve utility-scale flexibility and could offer a sustainable pathway for decarbonising the grids.
需求灵活性是需求侧管理的一个有前途的资源。在全球范围内,随着可再生能源渗透率和电气化负荷的增加,公用事业公司正在开发强大的框架,以聚合灵活的需求响应负荷,并加强电网的脱碳。这项研究集中在一个名为“Urja Arpan”(能源牺牲)的需求响应计划上,该计划在印度新德里实施,由公用事业公司塔塔德里电力分配有限公司领导。这一新颖的概念侧重于加强能源社区内消费者的参与,包括住宅、商业和工业消费者,通过需求灵活性来缓解电网压力并优化网络利用率。DR计划目前涉及67,000名住宅消费者和24,600名商业和工业消费者。该公用事业公司使用智能电表数据和项目注册记录来分析参与趋势,并量化2022-2024年期间的高峰负荷减少。DR事件实现了2022年7.69兆瓦、2023年85兆瓦和2024年560兆瓦的灵活需求,多年来呈现出显著的增长趋势。这个需求响应计划没有为提供需求灵活性的住宅、商业或工业消费者提供激励或补贴,这是这项工作的一个独特方面。相反,每位参与者在每次DR活动后都被提名参加抽奖。消费者参与的主要驱动因素是节约能源以及对可持续能源和环境保护的兴趣。结果表明,基于社区的非货币性DR模型可以实现公用事业规模的灵活性,并可以为电网脱碳提供可持续的途径。
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引用次数: 0
Path dependence meets export-driven decarbonization: A historical institutional analysis of Taiwan's renewable energy policies 路径依赖与出口驱动的脱碳:台湾再生能源政策的历史制度分析
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-14 DOI: 10.1016/j.jup.2025.102060
Wan-Ching Wang , Tze-Luen Lin
This study applies Historical Institutionalism (HI) to analyze Taiwan's renewable-energy policies from 2016 to 2024, focusing on the interaction of institutional inertia and export-oriented decarbonization pressures. Taiwan's transition faces a “dual tension”: entrenched lock-in from low tariffs and centralized thermal power, and external demands such as the EU Carbon Border Adjustment Mechanism (CBAM), multinational supply-chain requirements, and tariff conflicts. CBAM, formally implemented in 2026, had already compelled anticipatory compliance and industrial adjustments in 2025 through trade-related rules and supply-chain demands. The study advances a “dual tension framework,” illustrating both the theoretical value of HI and concrete policy lessons for other export-dependent economies.
本研究运用历史制度主义(Historical institutional alism, HI)分析2016 - 2024年台湾再生能源政策,重点探讨制度惯性与出口导向脱碳压力的互动关系。台湾的转型面临着“双重紧张”:低关税和集中火力发电的根深蒂固的锁定,以及欧盟碳边界调整机制(CBAM)、跨国供应链要求和关税冲突等外部需求。CBAM于2026年正式实施,已经通过与贸易相关的规则和供应链需求,在2025年迫使预期的合规和产业调整。该研究提出了一个“双重张力框架”,既说明了高生产率的理论价值,也说明了其他出口依赖型经济体的具体政策教训。
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引用次数: 0
Evolution of smart grid cybersecurity: toward a systematic framework for collaborative and sustainable development 智能电网网络安全的演变:迈向协作和可持续发展的系统框架
IF 4.4 3区 经济学 Q3 ENERGY & FUELS Pub Date : 2025-10-13 DOI: 10.1016/j.jup.2025.102081
Luanjuan Jiang , Xin Chen , Qianmu Li
This paper aims to navigate the evolution of Smart Grid Cybersecurity (SGCS) by conducting a comprehensive review of evolving challenges and proposing a collaborative framework for long-term security. A systematic analysis is conducted to reveal the research paradigm and evolution path of SGCS on a global scale. Advanced data analysis techniques are applied to produce research outputs, including key themes, graphical clusters, and science mapping of evolutionary trajectories in SGCS. Intrusion detection, critical infrastructure protection, and information and communications technology are identified as the three pivotal themes shaping the development and research frontiers of SGCS. To effectively address the challenges facing SG systems, particularly the secure integration of heterogeneous technologies, and to ensure long-term security, a collaborative framework is established. This framework involves key stakeholders in cybersecurity policies, business strategies, innovative technologies, and public participation. Further development trends and research ideas regarding each factor are discussed. Partnership among the stakeholders is emphasized to ensure the industry's future sustainability and long-term security. This study offers significant value to academics and practitioners by offering a comprehensive review of SGCS development, insights to guide future research, and a collaborative approach that can inform decision-making and promote enduring security strategies.
本文旨在通过对不断变化的挑战进行全面审查并提出长期安全的协作框架,引导智能电网网络安全(SGCS)的发展。通过系统分析,揭示了全球尺度上SGCS的研究范式和演化路径。先进的数据分析技术应用于产生的研究成果,包括关键主题,图形集群和科学映射的进化轨迹在SGCS。入侵检测、关键基础设施保护和信息通信技术被确定为塑造SGCS发展和研究前沿的三个关键主题。为有效应对卫星通信系统面临的挑战,特别是异构技术的安全集成,并确保长期安全,我们建立了一个协作框架。该框架涉及网络安全政策、商业战略、创新技术和公众参与的关键利益相关者。讨论了各因素的进一步发展趋势和研究思路。强调利益相关者之间的伙伴关系,以确保行业的未来可持续性和长期安全。本研究通过提供SGCS发展的全面回顾,指导未来研究的见解,以及可以为决策提供信息和促进持久安全战略的协作方法,为学术界和实践者提供了重要价值。
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引用次数: 0
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