Özcan, Mehmet
The main challenge related to the trade of electricity from renewable energy sources is their intermittency due to stochastic nature of their generation output. This leads to the imbalance cost in day ahead markets (DAM) and raise the concerns for collaboration. There are 2 possible strategies for wind power plants (WPPs) and solar power plants (SPPs) to maximize their income in day ahead markets (DAM) in the presence of imbalance cost: Joint Bidding (JB) via collaboration by participating to balancing groups and deployment of storage technologies. There are limited studies in the literature covering the comparative analysis of “collaborative joint bidding strategy” with “battery deployment strategy”. In the existence of balancing responsibility, the comparative analysis of these strategies is the main contribution of this study to the literature. Second contribution is the analysis of the impact of different regulatory regimes, which are set by the regulatory authority, on total income. JBM (Joint Bidding Model), which is the model for joint bidding via different collaboration groups, is developed for the analysis of first strategy, BDM (Battery Deployment Model), which is the model covering the deployment of storage technology, is developed for the analysis of second strategy. The impact of each strategy on total income is analyzed. According to the analysis of the results of the models, while the first strategy, which is sensitive to the regulatory regime, increases the total annual income of the collaboration groups up to 1,38%, second strategy seems not feasible and financially viable. On the other hand, extra income values per MW of battery for SPP is between $218 and $400 /MW-year, while these values are between $2.460-$6.795/MW-year for the group of 15 WPPs. Therefore, deployment of battery for WPPs creates extra income more than 10 fold of that of SPP. Second strategy can be viable if the levelized cost of deployment of battery drops below the extra income values achieved per MW of battery.


Stochastic modelling of wind energy generation
Alişar, İbrahim; Sevaioğlu, Osman; Department of Electrical and Electronics Engineering (2012)
In this thesis work, electricty generation modeling of the wind energy -one type of the renewable energy sources- is studied. The wind energy characteristics and the distribution of wind speed in a specific region is also examined. In addition, the power curves of the wind turbines are introduced and the relationship between the wind speed and wind power is explained. The generation characteristics of the wind turbines from various types of producers are also investigated. In this study, the main wind power...
Resilience and sustainable supply chain network design by considering renewable energy
Lotfi, Reza; Kargar, Bahareh; Hoseini, Seyed Hosein; Nazari, Sima; Safavi, Soroush; Weber, Gerhard-Wilhelm (2021-06-01)
Nowadays, using renewable energy (RE) is faster growing by each country. The managerial and designer of supply chain network design (SCND) have to plan to apply RE in pillars of supply chain (SC). This research indicates resilience and sustainable SCND by considering RE (RSSCNDRE) for the first time. A two-stage new robust stochastic optimization is embedded for RSSCNDRE. The first stage locates facility location and RE and the second stage defines flow quantity between SC components. We solve the model by ...
Sizing of Photovoltaic-Wind-Battery Hybrid System for a Mediterranean Island Community Based on Estimated and Measured Meteorological Data
Sadati, S. M. Sajed; Jahani, Elham; Taylan, Onur; Baker, Derek Keıth (2018-02-01)
Deploying renewable energy systems (RES) to supply electricity faces many challenges related to cost and the variability of the renewable resources. One possible solution to these challenges is to hybridize RES with conventional power systems and include energy storage units. In this study, the feasibility analysis of a grid-connected photovoltaic (PV)wind-battery hybrid system is presented as a microgrid for a university campus-scale community on a Mediterranean island. Models for PV and wind turbine syste...
Electrochemical performance and modeling of lithium-sulfur batteries with varying carbon to sulfur ratios
Michaelis, Charles; Erisen, Nisa; PALA, DAMLA EROĞLU; Koenig, Gary M. (Wiley, 2019-02-01)
Lithium-sulfur batteries have attracted much research interest because of their high theoretical energy density and low-cost raw materials. While the electrodes are composed of readily available materials, the processes that occur within the cell are complex, and the electrochemical performance of these batteries is very sensitive to a number of cell processing parameters. Herein, a simple electrochemical model will be used to predict, with quantitative agreement, the electrochemical properties of lithium-s...
Data mining-based power generation forecast at wind power plants
Özkan, Mehmet Barış; Karagöz, Pınar; Department of Computer Engineering (2014)
As a result of rapid depletion of non-renewable energy resources, the importance of the e efficient utilization of renewable energy sources has increased all over the world and in our country in recent years. Wind has an important role in renewable energy sources with its high potential. However, compared to other renewable energy sources, wind has a spatial and temporal discontinuity characteristic so there is a need for estimating and planning of wind power generation. Wind Power Plants (WPPs) inform thei...
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