The Impact of Variable Renewable Energy Integration on Total System Costs and Electricity Generation Revenue

Imcharoenkul, Veeraya; Chaitusaney, Surachai

doi:10.1109/access.2022.3172284

Cited by 10 publications

(3 citation statements)

References 41 publications

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“…This holistic approach encompasses a wide array of factors, including technical, regulatory, and marketrelated elements. Such a comprehensive viewpoint is imperative in today's ever-evolving energy landscape [32].…”

Section: Motivation and Contributionmentioning

confidence: 99%

Optimal Grid Flexibility Assessment for Integration of Variable Renewable-Based Electricity Generation

Zaheb,

Ahmadi,

Rahmany

et al. 2023

Sustainability

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This study delves into power system flexibility, with a keen focus on the integration of variable renewable electricity generation into power grids. Two scenarios were analyzed. The base scenario revealed an aging grid, insufficient generation capacity, frequent outages, and little renewable energy generation (1.9%), along with a significant (71.23%) loss of load. In contrast, the investment scenario presented solutions including raising VRE capacity to 44%, adding 1000 MW capacity transmission lines, installing 200 MW capacity grid-scale battery storage, and technological enhancements. These interventions effectively eliminated loss of load, reinforcing energy resilience. Investments in CCGPP and grid-scale batteries proved instrumental in mitigating the variability of renewable energy. Improved transmission promised efficient power exchange and regional collaboration. The elimination of annualized energy spills and the removal of ramping constraints marked significant strides in enhancing power system flexibility. This research underscores the pivotal role of grid flexibility in accommodating VRE sources. By implementing the proposed optimal solutions, Afghanistan can lead the way toward a cleaner, more resilient, and more interconnected energy future. These findings offer a replicable framework for addressing similar challenges in integrating renewable energy sources globally and supporting the transition to sustainable and reliable energy.

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Section: Motivation and Contributionmentioning

confidence: 99%

Optimal Grid Flexibility Assessment for Integration of Variable Renewable-Based Electricity Generation

Zaheb,

Ahmadi,

Rahmany

et al. 2023

Sustainability

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“…The system includes the control of fans, pumps and other equipment and the detection of power quality. Wind turbines, battery packs and inverter stations all have their own independent operation characteristics and are complementary to each other, which play a significant role in the energy consumption of the entire power grid [11] . Renewable energy access points mainly refer to the distributed energy system connected to the power grid through the Internet.…”

Section: Power Renewable Energy Digital Energy Saving System Based On...mentioning

confidence: 99%

Digital Energy Saving System of Electric Renewable Energy Based on Internet Information Technology

Zhang¹,

Fang²,

Li³

et al. 2023

Proceedings of the 2nd International Conference on Engineering Management and Information Science, EMIS 2023, February 24-26, 2

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With the development of science and technology, renewable energy for electricity plays an increasingly important role in people's lives. In order to provide users with high-quality services and environmentally friendly and energy-saving products, the use of Internet technology is particularly meaningful for the research of renewable electricity resources. This paper first constructs the renewable energy electrical digital intelligent system of Internet information technology, analyzes its performance, and then designs a digital energy-saving system, and obtains the final result through experimental data testing. The test results show that the performance of the digital energy-saving system of electric renewable energy can stably query historical data and process energysaving data of renewable energy to meet the actual needs of users.

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“…These operations of conventional generators require instantaneous ramping and frequent start-ups and shutdowns, which lead to high operating-generation costs during the day [1]. Moreover, VRE poses negative impacts to power systems' reliability in many countries, including Thailand, because it contributes to a mismatch between electricity demand and power generation [2][3][4]. The increased mismatch will result in a greater value of expected energy not supplied (EENS), which increases the possibility of power outages.…”

Section: Introductionmentioning

confidence: 99%

Optimal Sizing of Grid-Scaled Battery with Consideration of Battery Installation and System Power-Generation Costs

Klansupar

Chaitusaney

2022

Energies

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Variable renewable energy (VRE) generation changes the shape of residual demand curves, contributing to the high operating costs of conventional generators. Moreover, the variable characteristics of VRE cause a mismatch between electricity demand and power generation, resulting in a greater expected energy not supplied (EENS) value. EENS involves an expected outage cost, which is one of the important components of power-generation costs. A utility-scale battery energy storage system (BESS) is popularly used to provide ancillary services to mitigate the VRE impact. The general BESS ancillary-service applications are as a spinning reserve, for regulation, and for ramping. A method to determine optimal sizing and the optimal daily-operation schedule of a grid-scale BESS (to compensate for the negative impacts of VRE in terms of operating costs, power-generation-reliability constraints, avoided expected-outage costs, and the installation cost of the BESS) is proposed in this paper. Moreover, the optimal BESS application at a specific time during the day can be selected. The method is based on a multiple-BESS-applications unit-commitment problem (MB-UC), which is solved by mixed-integer programming (MIP). The results show a different period for a BESS to operate at its best value in each application, and more benefits are found when operating the BESS in multiple applications.

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The Impact of Variable Renewable Energy Integration on Total System Costs and Electricity Generation Revenue

Abstract: where he is currently the Head of the Power Systems Research Laboratory. His special fields of interest include renewable energy and power system planning, operation, and reliability.

Cited by 10 publications

References 41 publications

Optimal Grid Flexibility Assessment for Integration of Variable Renewable-Based Electricity Generation

Optimal Grid Flexibility Assessment for Integration of Variable Renewable-Based Electricity Generation

Digital Energy Saving System of Electric Renewable Energy Based on Internet Information Technology

Optimal Sizing of Grid-Scaled Battery with Consideration of Battery Installation and System Power-Generation Costs

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