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Seasonal Energy Storage and Energy Generation Requirements for a Solar and Wind-Based Energy System.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Seasonal Energy Storage and Energy Generation Requirements for a Solar and Wind-Based Energy System./
Author:	Zhou, Yu.
Description:	1 online resource (50 pages)
Notes:	Source: Masters Abstracts International, Volume: 85-03.
Contained By:	Masters Abstracts International85-03.
Subject:	Mechanical engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9798380156165

Seasonal Energy Storage and Energy Generation Requirements for a Solar and Wind-Based Energy System.
Zhou, Yu.

Seasonal Energy Storage and Energy Generation Requirements for a Solar and Wind-Based Energy System. - 1 online resource (50 pages)

Source: Masters Abstracts International, Volume: 85-03.

Thesis (M.S.)--Northeastern University, 2023.

Includes bibliographical references

Future energy systems will be fully renewable with solar and wind as the main energy source. However, they are highly dependent on natural factors, leading to daily, monthly, and seasonal fluctuations. Seasonal energy storage becomes the key method to address the seasonal variation and achieve a reliable energy system. Most previous studies have focused on the design and performance of energy storage technologies and the optimization of energy system operation with predefined energy storage technologies. However, not much research has studied the actual requirements for energy generation and seasonal energy storage capacity to satisfy the energy demand, which is essential for future energy system planning. This study developed an approach to find the corresponding requirements for a solar and wind-based system. A case study was performed using the California 2022 energy demand and generation data as baselines. 50%, 70%, 90%, and the ideal 100% round-trip efficiencies of energy storage systems were considered in the analysis. By varying the solar and wind energy generation from 100% -2000% of their baseline, the required energy generation for an energy system with and without any seasonal energy storage was studied. The required energy storage capacity was found from the peak of the cumulative excess energy throughout the year. To meet the California 2022 energy demand without any storage system, much more energy is required and at least 29.96%~43.38% of annual energy generation will not be used depending on different energy sources. With an energy storage system having round-trip efficiency of 50%-100%, the optimal energy generation for a solar-based energy system is 606.14%-645.29% of 2022 California solar generation. 1216.78%- 1323.58% of 2022 California wind generation is required for a wind-based energy system, and 404.59%-432.84% of 2022 California solar and wind total generation is required for a solar and wind energy system. The required storage capacities for all the cases analyzed in the study are in the range of 20544.4GWh-40881.8GWh, and higher solar energy proportion and higher round-trip efficiency of energy storage systems lead to a lower required energy storage capacity. The total stored energy will be used for 7 months at most.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798380156165Subjects--Topical Terms:

557493
Mechanical engineering.
Subjects--Index Terms:

Energy storageIndex Terms--Genre/Form:

554714
Electronic books.

Seasonal Energy Storage and Energy Generation Requirements for a Solar and Wind-Based Energy System.
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520 $a Future energy systems will be fully renewable with solar and wind as the main energy source. However, they are highly dependent on natural factors, leading to daily, monthly, and seasonal fluctuations. Seasonal energy storage becomes the key method to address the seasonal variation and achieve a reliable energy system. Most previous studies have focused on the design and performance of energy storage technologies and the optimization of energy system operation with predefined energy storage technologies. However, not much research has studied the actual requirements for energy generation and seasonal energy storage capacity to satisfy the energy demand, which is essential for future energy system planning. This study developed an approach to find the corresponding requirements for a solar and wind-based system. A case study was performed using the California 2022 energy demand and generation data as baselines. 50%, 70%, 90%, and the ideal 100% round-trip efficiencies of energy storage systems were considered in the analysis. By varying the solar and wind energy generation from 100% -2000% of their baseline, the required energy generation for an energy system with and without any seasonal energy storage was studied. The required energy storage capacity was found from the peak of the cumulative excess energy throughout the year. To meet the California 2022 energy demand without any storage system, much more energy is required and at least 29.96%~43.38% of annual energy generation will not be used depending on different energy sources. With an energy storage system having round-trip efficiency of 50%-100%, the optimal energy generation for a solar-based energy system is 606.14%-645.29% of 2022 California solar generation. 1216.78%- 1323.58% of 2022 California wind generation is required for a wind-based energy system, and 404.59%-432.84% of 2022 California solar and wind total generation is required for a solar and wind energy system. The required storage capacities for all the cases analyzed in the study are in the range of 20544.4GWh-40881.8GWh, and higher solar energy proportion and higher round-trip efficiency of energy storage systems lead to a lower required energy storage capacity. The total stored energy will be used for 7 months at most.
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