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Mr. Abdul Conteh
Electricity Distribution and Supply Authority (EDSA)

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0 Demand Response
0 Electricity Distribution
0 Energy
0 Grid Generation
0 Electricity market

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Journal article
Published: 11 May 2020 in Energy Conversion and Management
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To realize an efficient energy supply system for an isolated microgrid, a joint design framework that considered the capacity sizing alongside operational planning is essential. In this work, an integrated planning model was developed to investigate the techno-economic performances of a high renewable energy-based standalone microgrid. The approach combines capacity sizing and operation scheduling, considering demand-side management strategies for different system design scenarios. The evaluated scenarios involved the combination of wind turbine, photovoltaic system, diesel generator, with either battery energy storage or pumped thermal energy storage. A demand response program based on instantaneous renewable energy availability is proposed with dynamic pricing economic model for improving the overall system flexibility. Mixed-integer linear programming algorithm on MATLAB® is deployed as the optimization solver. The minimization of the sum of system costs which includes equivalent annual costs of the investments, running costs and costs based on demand-side management strategies is the objective function. The combination of photovoltaic, wind turbine and pumped thermal energy storage is found to be the most techno-economically efficient system configuration for the considered microgrid. More so, the proposed demand response strategy minimizes the mismatch between the generation and the load demand profile effectively, thereby increasing the system flexibility.

ACS Style

Mark Kipngetich Kiptoo; Mohammed Elsayed Lotfy; Oludamilare Bode Adewuyi; Abdul Conteh; Abdul Motin Howlader; Tomonobu Senjyu. Integrated approach for optimal techno-economic planning for high renewable energy-based isolated microgrid considering cost of energy storage and demand response strategies. Energy Conversion and Management 2020, 215, 112917 .

AMA Style

Mark Kipngetich Kiptoo, Mohammed Elsayed Lotfy, Oludamilare Bode Adewuyi, Abdul Conteh, Abdul Motin Howlader, Tomonobu Senjyu. Integrated approach for optimal techno-economic planning for high renewable energy-based isolated microgrid considering cost of energy storage and demand response strategies. Energy Conversion and Management. 2020; 215 ():112917.

Chicago/Turabian Style

Mark Kipngetich Kiptoo; Mohammed Elsayed Lotfy; Oludamilare Bode Adewuyi; Abdul Conteh; Abdul Motin Howlader; Tomonobu Senjyu. 2020. "Integrated approach for optimal techno-economic planning for high renewable energy-based isolated microgrid considering cost of energy storage and demand response strategies." Energy Conversion and Management 215, no. : 112917.

Journal article
Published: 27 March 2020 in Sustainability
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Electricity disparity in sub-Saharan Africa is a multi-dimensional challenge that has significant implications on the current socio-economic predicament of the region. Strategic implementation of demand response (DR) programs and renewable energy (RE) integration can provide efficient solutions with several benefits such as peak load reduction, grid congestion mitigation, load profile modification, and greenhouse gas emissions reduction. In this research, an incentive and price-based DR programs model using the price elasticity concepts is proposed. Economic analysis of the customer benefit, utility revenue, load factor, and load profile modification are optimally carried out using Freetown (Sierra Leone) peak load demand. The strategic selection index is employed to prioritize relevant DR programs that are techno-economically beneficial for the independent power producers (IPPs) and participating customers. Moreover, optimally designed hybridized grid-connected RE was incorporated using the Genetic Algorithm (GA) to meet the deficit after DR implementation. GA is used to get the optimal solution in terms of the required PV area and the number of BESS to match the net load demand after implementing the DR schemes. The results show credible enhancement in the load profile in terms of peak period reduction as measured using the effective load factor. Moreover, customer benefit and utility revenues are significantly improved using the proposed approach. Furthermore, the inclusion of the hybrid RE supply proves to be an efficient approach to meet the load demand during low peak and valley periods and can also mitigate greenhouse gas emissions.

ACS Style

Abdul Conteh; Mohammed Elsayed Lotfy; Oludamilare Bode Adewuyi; Paras Mandal; Hiroshi Takahashi; Tomonobu Senjyu. Demand Response Economic Assessment with the Integration of Renewable Energy for Developing Electricity Markets. Sustainability 2020, 12, 2653 .

AMA Style

Abdul Conteh, Mohammed Elsayed Lotfy, Oludamilare Bode Adewuyi, Paras Mandal, Hiroshi Takahashi, Tomonobu Senjyu. Demand Response Economic Assessment with the Integration of Renewable Energy for Developing Electricity Markets. Sustainability. 2020; 12 (7):2653.

Chicago/Turabian Style

Abdul Conteh; Mohammed Elsayed Lotfy; Oludamilare Bode Adewuyi; Paras Mandal; Hiroshi Takahashi; Tomonobu Senjyu. 2020. "Demand Response Economic Assessment with the Integration of Renewable Energy for Developing Electricity Markets." Sustainability 12, no. 7: 2653.

Journal article
Published: 17 May 2019 in Sustainability
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Like in most developing countries, meeting the load demand and reduction in transmission grid bottlenecks remains a significant challenge for the power sector in Sierra Leone. In recent years, research attention has shifted to demand response (DR) programs geared towards improving the supply availability and quality of energy markets in developed countries. However, very few studies have discussed the implementation of suitable DR programs for developing countries, especially when utilizing renewable energy (RE) resources. In this paper, using the Freetown’s peak load demand data and the price elasticity concept, the interruptible demand response (DR) program has been considered for maximum demand index (MDI) customers. Economic analysis of the energy consumption, customer incentives, benefits, penalties and the impact on the load demand are analyzed, with optimally designed energy management for grid-integrated battery energy storage system (BESS) and photovoltaic (PV)-hybrid system using the genetic algorithm (GA). Five scenarios are considered to confirm the effectiveness and robustness of the proposed scheme. The results show the economic superiority of the proposed DR program’s approach for both customers and supplier benefits. Moreover, RE inclusion proved to be a practical approach over the project lifespan, compared to the diesel generation alternative.

ACS Style

Abdul Conteh; Mohammed Elsayed Lotfy; Kiptoo Mark Kipngetich; Tomonobu Senjyu; Paras Mandal; Shantanu Chakraborty. An Economic Analysis of Demand Side Management Considering Interruptible Load and Renewable Energy Integration: A Case Study of Freetown Sierra Leone. Sustainability 2019, 11, 2828 .

AMA Style

Abdul Conteh, Mohammed Elsayed Lotfy, Kiptoo Mark Kipngetich, Tomonobu Senjyu, Paras Mandal, Shantanu Chakraborty. An Economic Analysis of Demand Side Management Considering Interruptible Load and Renewable Energy Integration: A Case Study of Freetown Sierra Leone. Sustainability. 2019; 11 (10):2828.

Chicago/Turabian Style

Abdul Conteh; Mohammed Elsayed Lotfy; Kiptoo Mark Kipngetich; Tomonobu Senjyu; Paras Mandal; Shantanu Chakraborty. 2019. "An Economic Analysis of Demand Side Management Considering Interruptible Load and Renewable Energy Integration: A Case Study of Freetown Sierra Leone." Sustainability 11, no. 10: 2828.