2015 12th International Conference on the European Energy Market (EEM)最新文献

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The evolution of bidding strategies in Spain following the introduction of renewable energy 西班牙引入可再生能源后招标策略的演变
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216641
M. Armstrong, L. Costa, A. Galli
{"title":"The evolution of bidding strategies in Spain following the introduction of renewable energy","authors":"M. Armstrong, L. Costa, A. Galli","doi":"10.1109/EEM.2015.7216641","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216641","url":null,"abstract":"This study of the bidding strategies used by electricity producers in the day-ahead and intraday markets in Spain-Portugal shows that they clearly do respect the merit order. They offer their production at a range of prices which vary from one hour of the day to another, and from one day of the week to another. We show that on average over a quarter producers received about the same revenue per MWh sold irrespective of fuel type. The average dropped from 70-75 euro per MWh in 2008 to as low as 25 euro in 2010 because of the global crisis then rose to about 50 euro in 2012 despite the increasing quantity of renewal energy and the stagnation of the demand.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129453660","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}
引用次数: 1
Congestion management in electricity markets with uncertain infeeds and commitment decisions 具有不确定输入和承诺决策的电力市场的拥塞管理
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216717
Alexandra Zigkiri, L. Baringo, G. Andersson, M. Zima
{"title":"Congestion management in electricity markets with uncertain infeeds and commitment decisions","authors":"Alexandra Zigkiri, L. Baringo, G. Andersson, M. Zima","doi":"10.1109/EEM.2015.7216717","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216717","url":null,"abstract":"Congestion management is crucial to maintain an efficient and reliable power system operation, and thus it is an important task for any transmission system operator. Different congestion management approaches are currently implemented by different TSOs. In this paper, we consider two market schemes. The first one considers the transmission constraints both on a day-ahead (DA) basis and in real-time (RT). This scheme is relevant to centralized markets. The second market scheme considers the transmission constraints only in RT, and is relevant to decentralized markets. We quantitatively compare the congestion management in these market schemes, in a power system with thermal and wind generation, as we vary (i) the share of thermal units, (ii) the wind penetration level, and (iii) the congestion level. For this purpose, we formulate a DA and a RT market model. The DA market is formulated as a two-stage stochastic optimization problem, and the RT market is formulated as a stochastic optimization problem with receding horizon that uses short-term wind power scenarios. We demonstrate the performance of the proposed scheme in the IEEE 24-bus Reliability Test System. The results show that as the share of inflexible units increases, and when congestion occurs, it is more efficient to implement the congestion management in the DA market. However, in systems with a large share of flexible units, the two congestion management schemes achieve similar results.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133261593","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}
引用次数: 1
Effects of the seasonal sunlight variation on predictions of the solar-aeolic potential for power generation 季节日照变化对太阳风势发电预报的影响
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216615
Eduardo B. Marafiga, F. Farret, Nirvan H. Peixoto
{"title":"Effects of the seasonal sunlight variation on predictions of the solar-aeolic potential for power generation","authors":"Eduardo B. Marafiga, F. Farret, Nirvan H. Peixoto","doi":"10.1109/EEM.2015.7216615","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216615","url":null,"abstract":"This study discusses the yearly seasonal influence on sunlight time series to predict oscillations of the solar potential for generation of electricity and thermal energy along with its implications on climate changes. It is confirmed that there has been a decrease of 1% in the average variation of insolation from 1961 to 2011 and a trend of lower rates in all seasons. Both the predicted and measured data have demonstrated the possibility of a reduced insolation or sustained lower levels in the coming quarters in most months, with likely direct consequences on climate change and, in those forms of power generation dependent on the climatic stability.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131781902","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}
引用次数: 1
Forecasting photovoltaic energy using MEWMA models 利用MEWMA模型预测光伏能源
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216655
E. Caro, F. J. Cara, J. Juan
{"title":"Forecasting photovoltaic energy using MEWMA models","authors":"E. Caro, F. J. Cara, J. Juan","doi":"10.1109/EEM.2015.7216655","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216655","url":null,"abstract":"In any electricity market, both conventional and renewable producers trade their energy in the day-ahead market. Thus, renewable generating companies require a forecasting tool in order to predict the quantity of electricity that they will produce in the short-term future. This paper proposes a forecasting procedure for solar power producers, based on the multivariate exponential smoothing model and employing the solar radiation next-day forecast from an external agent. The model is estimated using the EM algorithm. The proposed method is general and can be straightforwardly implemented in any photovoltaic power producer. A case study is analyzed, using real data from the Spanish energy market, using the MAPE as comparison metric. Results denote that the developed algorithm is both numerically accurate and computationally efficient.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128547725","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}
引用次数: 0
Microgrid's Energy Management Systems: A survey 微电网的能源管理系统:一项调查
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216662
I. Serna-Suárez, G. Ordóñez-Plata, G. Carrillo-Caicedo
{"title":"Microgrid's Energy Management Systems: A survey","authors":"I. Serna-Suárez, G. Ordóñez-Plata, G. Carrillo-Caicedo","doi":"10.1109/EEM.2015.7216662","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216662","url":null,"abstract":"Microgrids are a new paradigm for energy distribution systems in which generation (from a local energy source or storage device) is coordinated to supply local energy needs while behaving as a sole system. Benefit maximization in a microgrid is directly related with demand reactiveness and optimal allocation of local energy resources. Because those characteristics can be implemented through an Energy Management System (EMS), knowing the elements that conforms it and how they interact is crucial for the development of microgrids. This paper presents a caracterization of the EMS and some insight about the actual state on this subject. This is done to understand the mechanisms that allow efficient EMS implementations, thus shortening the path towards a power distribution microgeneration with higher short-term/mid-term benefits based on microgrid technology.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132769046","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}
引用次数: 21
Challenges in the formulation of complex orders on European power exchanges 欧洲电力交易所复杂订单制定的挑战
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216673
Á. Sleisz, D. Divényi, Beáta Polgári, P. Sőrés, D. Raisz
{"title":"Challenges in the formulation of complex orders on European power exchanges","authors":"Á. Sleisz, D. Divényi, Beáta Polgári, P. Sőrés, D. Raisz","doi":"10.1109/EEM.2015.7216673","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216673","url":null,"abstract":"Though European day-ahead power exchanges (PXs) generally operate in an environment where participants are self-scheduling, PXs are still supposed to provide clearing results which are rather close to real technical and economic feasibility. The diverse constraints of power plants are of particular concern in this regard, because their proper handling can be difficult even with advanced mathematical tools. For this purpose, the all-European PX [1] introduces complex orders which allow new conditions (Minimum Income, Scheduled Stop and Load Gradient Conditions) to be prescribed eventuating a more precise producer model for the clearing. Nevertheless, additional questions arise during actual implementation because several different mathematical formulations can be found for these novel bid types. This paper attempts to systematically explore the deficiencies and possibilities of complex orders beyond the scope of general description. Several modeling problems and proposals are inspected and evaluated with considerations on market theory, technical feasibility and mathematical programming.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134259218","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}
引用次数: 11
CO2 emissions, energy consumption and economic growth in the EU countries: Evidence from threshold cointegration analysis 欧盟国家二氧化碳排放、能源消费与经济增长:来自阈值协整分析的证据
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216646
M. Piłatowska, A. Włodarczyk, M. Zawada
{"title":"CO2 emissions, energy consumption and economic growth in the EU countries: Evidence from threshold cointegration analysis","authors":"M. Piłatowska, A. Włodarczyk, M. Zawada","doi":"10.1109/EEM.2015.7216646","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216646","url":null,"abstract":"This paper aims to look at the long-run equilibrium relationship between CO2 emissions and economic growth (EKC hypothesis) in an asymmetric framework using the non-linear threshold cointegration. To test the robustness of the results the additional explanatory variables (time trend and/or energy consumption) are added to the EKC model. The empirical study is carried out for the European Union countries divided into three groups depending on a level of knowledge advanced economies in order to explain the differences in the dynamic linkage between CO2 emissions and economic growth. We have found that the EKC hypothesis is valid for all high-level and some middle-level knowledge advanced economies. The addition of energy consumption or time trend to the EKC model has affected the results in terms of the presence of threshold cointegration with an asymmetric adjustment process. These results suggest that the EKC model should be estimated using an approach accounting for asymmetric adjustment.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132874685","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}
引用次数: 9
Techno-economic comparison of storage vs. demand response strategies in distributed generation systems 分布式发电系统中存储与需求响应策略的技术经济比较
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216725
Guido Lorenzi, Carlos Santos Silva
{"title":"Techno-economic comparison of storage vs. demand response strategies in distributed generation systems","authors":"Guido Lorenzi, Carlos Santos Silva","doi":"10.1109/EEM.2015.7216725","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216725","url":null,"abstract":"This paper investigates the benefits in terms of energy use and cost reduction of electricity storage using batteries and the implementation of demand response strategies, to mitigate the mismatch between the renewable production and the demand in smart grids. A comparison between the two approaches in a household with micro-generation system is made in order to assess which one is the most feasible for small scale users. The results show that in general the use of demand response has more benefits to the end-user.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116063557","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}
引用次数: 2
Multi-agent retail energy markets: Bilateral contracting and coalitions of end-use customers 多代理零售能源市场:最终用户的双边合同和联盟
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216750
H. Algarvio, F. Lopes, J. Santana
{"title":"Multi-agent retail energy markets: Bilateral contracting and coalitions of end-use customers","authors":"H. Algarvio, F. Lopes, J. Santana","doi":"10.1109/EEM.2015.7216750","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216750","url":null,"abstract":"The electricity industry has undergone enormous changes and market forces drive now the price of energy. This paper focuses on retail markets in which end-use customers can choose their supplier from competing electricity retailers. Most retailers negotiate the terms and conditions of electricity contracts directly with end-use customers, although they often oversimplify or ignore classical pricing policies encouraging discounts on quantity. This work aims at using autonomous software agents to help manage the complexity of retail markets. A particular end-use customer agent can negotiate a forward contract directly with a single retailer agent. More importantly, two or more end-use customers can ally into coalitions to strengthen their bargaining positions and negotiate better agreements. This paper presents several key features of software agents able to ally into coalitions and negotiate the terms and conditions of forward contracts. It also describes a case study involving a retailer agent and a coalition of three large industrial customers negotiating a three-rate tariff. The results indicate that coalition formation is beneficial to end-use customers - that is, the price agreed in the forward contract is more favorable to these agents.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122078937","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}
引用次数: 16
Implementation of the energy efficiency directive and the impact on district heating regulation 能源效率指令的实施及对区域供热法规的影响
2015 12th International Conference on the European Energy Market (EEM) Pub Date : 2015-05-19 DOI: 10.1109/EEM.2015.7216630
Ā. Žīgurs, U. Sarma, P. Ivanova
{"title":"Implementation of the energy efficiency directive and the impact on district heating regulation","authors":"Ā. Žīgurs, U. Sarma, P. Ivanova","doi":"10.1109/EEM.2015.7216630","DOIUrl":"https://doi.org/10.1109/EEM.2015.7216630","url":null,"abstract":"Discussions in Latvia are ongoing regarding the optimum solution to implementing Directive 2012/27/EU on energy efficiency. This study analyses a scenario where a significant fraction of target energy efficiency is achieved by obliging energy utilities to implement user-end energy efficiency measures. Investment related costs are likely to be included in the energy prices and service tariffs therefore gains for the users are under question. The authors analyze ways to achieve a balance between user gains from energy end-use savings and increased energy prices and tariffs as a result of obligations imposed upon energy utilities including the energy supply sectors where supply tariffs are regulated. Authors also have assessed the disadvantages of the current Latvian district heating regulation and have marked the next steps for a transition from hard regulation towards the approximation of benchmarking and market principles.","PeriodicalId":252103,"journal":{"name":"2015 12th International Conference on the European Energy Market (EEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125867681","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}
引用次数: 11
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