Exploratory data analysis of the electrical energy demand in the time domain in Greece
| Autor: | Katerina Tzouka, Georgios Karakatsanis, Hristos Tyralis, Nikos Mamassis |
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| Rok vydání: | 2017 |
| Předmět: |
Power transmission
Engineering Scale (ratio) business.industry 020209 energy Mechanical Engineering Electric potential energy 02 engineering and technology Building and Construction 010501 environmental sciences 01 natural sciences Pollution Industrial and Manufacturing Engineering Gross domestic product Exploratory data analysis General Energy 0202 electrical engineering electronic engineering information engineering Econometrics Time domain Electrical and Electronic Engineering business Simulation 0105 earth and related environmental sciences Civil and Structural Engineering |
| Zdroj: | Energy. 134:902-918 |
| ISSN: | 0360-5442 |
| Popis: | The electrical energy demand (EED) in Greece for the time period 2002–2016 is investigated. The aim of the study is to introduce a framework for the exploratory data analysis (EDA) of the EED in the time domain. To this end, the EED at the hourly, daily, seasonal and annual time scale along with the mean daily temperature and the Gross Domestic Product (GDP) of Greece are visualized. The forecast of the EED provided by the Greek Independent Power Transmission Operator (IPTO) is also visualized and is compared with the actual EED. Furthermore, the EED pricing system is visualized. The results of the study in general confirm and summarize the conclusions of previous relevant studies in Greece, each one treating a single topic and covering shorter and earlier time periods. Furthermore, some unexpected patterns are observed, which if not considered carefully could result to dubious models. Therefore, it is shown that the EDA of the EED in the time domain coupled with weather-, climate-related and socio-economic variables is essential for the building of a model for the short-, medium- and long-term EED forecasting, something not highlighted in the literature. |
| Databáze: | OpenAIRE |
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