Electricity Journal最新文献

{"title":"Unlocking market secrets: Revealing wholesale electricity market price dynamics with a novel application of spectrum analysis","authors":"Martin J. Maticka ,&nbsp;Thair S. Mahmoud","doi":"10.1016/j.tej.2023.107330","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107330","url":null,"abstract":"<div><p>Understanding market participants' competitive behaviour is essential for optimising financial performance in liberalised electricity markets. However, this is challenging due to complex market structures, generation dependent on different primary energy sources and lack of transparency. This paper introduces a novel approach using power spectrum analysis applied to wholesale electricity markets to uncover hidden patterns. Applying this novel method to the Western Australian Wholesale Electricity Market (WEM) revealed periodic cycles in different fuel types and technologies that offered insights into competitor behaviour not immediately evident in the dataset. Surprisingly, the approach uncovered that in a power system with high penetration of renewable generation, there is a weak price response to demand changes, challenging assumptions about the direct link between demand and price formation. These insights could be applied gain a competitive edge in capital investment decisions and tactical bidding behaviour.</p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50183351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Does economic growth spark efficiency? Unveiling the Electricity Kuznets Curve (ELKC) in ASEAN-5 nations","authors":"Khalid M. Kisswani ,&nbsp;Mahelet G. Fikru","doi":"10.1016/j.tej.2023.107333","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107333","url":null,"abstract":"<div><p>We contribute to the conventional Environmental Kuznets Curve<span><span> literature by modeling the relationship between income and electric power consumption<span> among five Asian economies (ASEAN-5): Indonesia, Malaysia, the Philippines, Singapore, and Thailand. Economic growth together with rapid urbanization contributes to increases in electricity use. Still, it is not clearly understood whether and to what extent improvements in technology could ultimately allow a more efficient use of power. We test whether electricity consumption follows an inverted U-shape curve (Electricity Kuznets Curve, ELKC) using the unrestricted error correction model fitted on historical data for each country. The long-run results indicate that the ELKC hypothesis is detected in Indonesia, the Philippines, and Singapore. Our results suggest that if these countries continue to follow the ELKC trajectory, further increases in income could facilitate energy-efficiency innovations to prevent a monotonic relationship between growth and electric power use. The finding implies that there is room for policies to incentivize </span></span>energy efficiency measures in multiple sectors.</span></p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136697393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The costs of “crony capitalism” in regional transmission grid expansion","authors":"Jim Rossi","doi":"10.1016/j.tej.2023.107335","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107335","url":null,"abstract":"<div><p>There is an urgent need to expand regional transmission lines for reliability and clean energy, while also ensuring that new infrastructure investments are cost effective. However, several states have enacted – and some continue to consider – laws that grant incumbent monopoly<span> utilities a right-of-first-refusal (ROFR) to build new electric power transmission<span> lines. Transmission ROFR laws, such as those enacted by several Midwestern states, allow regional grid<span> planners to select new transmission line projects without running competitive solicitations. While incumbent utilities have continued to lobby state legislatures to adopt transmission ROFR laws, the best evidence available shows that ROFR laws are harmful to customer welfare. Customers affected by ROFR laws do not realize the cost savings and other benefits of competition in transmission line selection, including superior cost containment and innovative grid modernization solutions. In addition, uncertainty about the legality of transmission ROFR laws–what the Iowa Supreme Court has called “crony capitalism”--does not promote a stable investment environment for new transmission infrastructure. Instead of enacting and continuing to endorse transmission ROFRs, states would better promote cost-effective grid modernization by encouraging competitive bidding selection processes for new regional transmission lines. Cost-effective transmission planning requires regulators to balance a broad range of factors in permitting and cost recovery for projects. State regulators commonly use such approaches to evaluate the purchase of power generation from competitive sources. Regional transmission line projects could benefit from similar safeguards to protect customers.</span></span></span></p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138436756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A new era for rural electric cooperatives: New clean energy investments, supported by federal incentives, will reduce rates, emissions, and reliance on outside power","authors":"Nikit Abhyankar ,&nbsp;Umed Paliwal ,&nbsp;Michael O’Boyle ,&nbsp;Michelle Solomon ,&nbsp;Jeremy Fisher ,&nbsp;Amol Phadke","doi":"10.1016/j.tej.2023.107334","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107334","url":null,"abstract":"<div><p>This paper shows a least cost electricity generation portfolio for some of the largest rural electric cooperative utilities in the US. Due to the recent dramatic declines in renewable energy and battery storage costs, along with incentives under the federal Inflation Reduction Act (IRA) and excellent quality of renewable resource potential, we find that new investments in clean energy are significantly more cost-effective for most cooperative utilities than operating their existing coal and gas fired power plants. The study shows that rapid renewable energy (RE) deployment offers the rural cooperatives an opportunity to reduce their wholesale electricity costs by 10–20% compared with 2021 levels, while retiring their entire coal capacity by 2032. Most utilities could reduce their CO₂ emissions by 80–90% relative to the 2021 levels, while also meeting load requirements at all hours, ensuring power supply reliability. While significant financing would be needed for such a transition to clean energy, we find that nearly half of the investments can be offset by the IRA tax credits. With bold and timely execution, cooperatives can reinvent their generation mix to provide affordable, reliable, and clean electricity that benefits rural communities.</p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S104061902300101X/pdfft?md5=12807fc2b256ad8e9cf6db6d7c56ff9b&pid=1-s2.0-S104061902300101X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134656366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy storage for the provision of a secondary frequency control service: Evidence in the Colombian market","authors":"Alejandro Gutiérrez Gómez ,&nbsp;Ramón Alberto León Candela ,&nbsp;John Garcia Rendon","doi":"10.1016/j.tej.2023.107329","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107329","url":null,"abstract":"<div><p>In this article, we evaluate three alternatives for incorporating storage systems in the secondary frequency control service in the Colombian energy market. The first method is to maintain the current auction mechanism linked to the energy offer but including BESS in competition with established generators. The second is to implement mid-term auctions for services providing both generators and Battery Energy Storage Systems, while the third alternative suggests the adoption of long-term auctions with BESS remuneration based on the rate of return methodology. These long-term auctions operate in conjunction with the well-established framework for service provision, utilising generation assets. Based on our results, the latter two alternatives exhibit superior efficiency. Compared to the current scheme, these alternatives have the advantages of: improved efficiency in price forming, minimum impact on the energy market, and decreased service costs. Whereas the annual remuneration under the current mechanism amounts to USD 105 million, alternatives achieve savings from around 7% (only for 50 MW of reserve provision with BESS) to 50% (100% BESS service provision), related to current service costs. This means annual savings of up to USD 62 million. In any of these systems, the operation efficiency is increased, since battery energy storage systems are devices with faster response times to frequency changes.</p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50183352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electric utility construction: Causes and types of field change orders","authors":"Frank Bao Thai Nguyen ,&nbsp;Neil Grigg ,&nbsp;Rodolfo Valdes-Vasquez","doi":"10.1016/j.tej.2023.107332","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107332","url":null,"abstract":"<div><p>The electric power industry provides most of the energy for global commerce, and controlling its construction costs is important to provide affordable energy. Controlling original contract costs and any added costs due to change orders requires effective planning and design of projects. While cost overruns due to change orders occur in other industries, the electric power utility industry faces technical complexity, poor understanding of field conditions, lack of jobsite visits, and poor collaboration among stakeholders during design and planning. Although published data exist for costs of change orders in other industries, almost none are available for the electric power sector. To mitigate these problems, project managers must understand these risks, provide better cost forecasts, and take other measures to avoid change orders. Using a descriptive statistical analysis of the project database of an electric utility company, this study addresses the data gap by analyzing the magnitude, frequency, and causes of field change orders of both overhead and underground electrical construction. The results identified nine causes of field change orders (FCOs) during construction. The percentage increases in the electrical construction contract costs appear to be higher than in other industries, which is an alarming finding considering the tendency to bury transmission lines due to fire hazards. The result showed that FCOs with added scopes occurred more frequently in underground projects than in overhead projects. The analysis indicated that most causes of field change orders could be managed during planning and design and through the construction phase. The findings of this study can be used by electric utilities when they convert from overhead to underground systems due to security and climate change factors.</p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91992432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modeling and forecasting industrial electricity demand for Saudi Arabia: Uncovering regional characteristics","authors":"Jeyhun I. Mikayilov,&nbsp;Ryan Alyamani,&nbsp;Abdulelah Darandary,&nbsp;Muhammad Javid,&nbsp;Fakhri J. Hasanov","doi":"10.1016/j.tej.2023.107331","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107331","url":null,"abstract":"<div><p>This study aims to investigate and forecast Saudi Arabia's industrial electricity consumption at the regional level. By applying structural time series modeling to annual data from 1990 to 2019, we find the electricity demand's long-run income and price elasticities to vary across regions. Also, the underlying energy demand trend analysis indicates efficiency improvements in industrial electricity consumption patterns in all regions. In the low-case scenario, we project the 2030 demand to be 11.6 terawatt-hours (TWh), 63.5 TWh, 0.7 TWh, and 6.8 TWh for the central, eastern, southern, and western operation areas, respectively, with the total demand forecast to be 82.5 TWh. The study's findings can help policymakers understand the effect of future energy policies and economic growth trajectories.</p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S1040619023000982/pdfft?md5=b9b0dd3a4a336948d142505b5aa22684&pid=1-s2.0-S1040619023000982-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91959192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Nexus-Based Impact Assessment of Rapid Transitions of the Power Sector: The Case of Greece","authors":"Diamantis Koutsandreas","doi":"10.3390/electricity4030016","DOIUrl":"https://doi.org/10.3390/electricity4030016","url":null,"abstract":"Power system transformation can unleash wide-ranging effects across multiple, frequently interlinked dimensions such as the environment, economy, resource systems, and biodiversity. Consequently, assessing the multidimensional impacts of power system transformation, especially under rapid transitions, has become increasingly important. Nonetheless, there is a gap in the literature when it comes to applying such an analysis to a Mediterranean country facing structural socioeconomic challenges. This paper explores the potential multifaceted implications of rapidly decarbonizing the Greek power sector by 2035, focusing on the local-level consequences. The evaluation criteria encompass the cost-optimal power mix, power costs, land use, biomass utilization, GDP, and employment. In this effort, a technology-rich cost optimization model representing Greece’s power sector is linked to a global Computable General Equilibrium (CGE) macroeconomic model focusing on the Greek economy. The results indicate that a fast decarbonization of the Greek power sector could trigger positive socioeconomic consequences in the short- and medium-term (GDP: +1.70, employees: +59,000 in 2030), although it may induce negative long-term socioeconomic effects due to increased capital investment requirements. Additionally, the impact on land use may only be trivial, with the potential to decrease over time due to the de-escalation of biomass power generation, thereby reducing the risk of harming biodiversity.","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74486282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Recent Advances toward Carbon-Neutral Power System","authors":"Poria Astero","doi":"10.3390/electricity4030015","DOIUrl":"https://doi.org/10.3390/electricity4030015","url":null,"abstract":"The pursuit of a carbon-neutral society has emerged as a global imperative in the face of escalating environmental challenges [...]","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81101618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"From concessions to competition: A journey through the evolution of the Philippine electric grid system, 1892–2021","authors":"Nicolo Paolo P. Ludovice,&nbsp;Laurence L. Delina","doi":"10.1016/j.tej.2023.107319","DOIUrl":"https://doi.org/10.1016/j.tej.2023.107319","url":null,"abstract":"<div><p>This article traces the development of energy generation in the Philippines, tracing its origins back to 1892 and spanning through the significant reforms ushered in by the Electric Power Industry Reform Act (EPIRA) in 2001, and the subsequent two decades. The early chapters of this history witnessed the establishment of pivotal companies like Compania La Electricista and Manila Railway &amp; Light Company (Meralco), which hinged on foreign investment and expertise. Meralco’s expansion encompassed the establishment of diverse power plants, including hydroelectric facilities, to cater to the escalating electricity demand. However, concerns surrounding foreign dominance and reliance on imported resources led to the creation of the National Power Corporation (NPC) in 1936 tasked with harnessing hydraulic power and increasing state participation in the energy sector. The post-war era witnessed the NPC’s significant role in bolstering the nation’s growing economy, especially through its expansive power development program and the nationalization of the electric power landscape. Despite progress in rural electrification, the NPC encountered challenges like financial constraints, political complexities, and the contentious Bataan Nuclear Power Plant project, which impeded its operational efficiency. The 1990 s unveiled a severe power crisis due to financial constraints and inadequate infrastructure. In response, the government sought to invigorate the sector by incorporating private sector engagement through independent power producers. To rectify inefficiencies and stimulate competition, the EPIRA was enacted in 2001 to steer the energy sector toward a comprehensive overhaul by restructuring the power industry and divesting NPC’s generation and transmission assets. This article provides insights into the historical trajectory of the Philippine energy sector, culminating in a series of reforms aimed at cultivating a more streamlined and competitive power sector, positioned to meet the nation’s ever-evolving energy needs.</p></div>","PeriodicalId":35642,"journal":{"name":"Electricity Journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50181101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}