Publication:
Assessment of Spatial and Temporal Modeling on Greenhouse Gas Emissions From Electricity Generation

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Date
2023
Authors
Sarhan A.
Ramachandaramurthy V.K.
Sin T.C.
Walker S.L.
Salman B.
Padmanaban S.
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Institute of Electrical and Electronics Engineers Inc.
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Abstract
This paper highlights the importance of precise assessments of greenhouse gas (GHG) emissions associated with power generation for effective policy making in environmental sustainability. The current assessment approaches based on historical data or estimated generation using energy models may not accurately reflect the reality of future power systems due to the impact of spatial-temporal and techno-economic characteristics of generation mix and load demands. To address this, the paper presents a comprehensive methodology for accurately quantifying the geographical and temporal variations in GHG emissions associated with generating units' operation, startup, and shutdown at an hourly resolution. The methodology is based on a detailed electricity model that considers various sources of generation, techno-economic, and spatial-temporal characteristics of system components. The study demonstrates the effectiveness of the methodology in quantifying GHG emissions in the IEEE RTS-GLMC system, with a focus on CO2, N2O, and CH4. The analysis reveals significant variations in GHG emissions among different generation buses and hours of the year, attributed to the high proportion of renewable energy in the generation mix. The paper emphasizes the inadequacy of examining marginal environmental impacts based on GHG emission intensity alone and suggests a more thorough analysis based on total GHG emissions generation. Finally, the paper emphasizes the crucial role of time-varying and marginal assessment techniques in identifying effective strategies for reducing GHG emissions in the electricity sector, including optimizing the operation and capacity of generation units, energy storage systems, and electric vehicles, including their locations. � 2013 IEEE.
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Keywords
electric vehicle , Energy , energy storage , GHG emissions , renewable generation , Digital storage , Electric energy storage , Electric loads , Fossil fuels , Fuel storage , Gas emissions , Greenhouse effect , Greenhouse gases , Renewable energy resources , Sustainable development , Electricity-generation , Energy , Generation mix , Greenhouse gas emissions , Load modeling , Power- generations , Renewable energy source , Renewable generation , Spatial and temporal modeling , Techno-economics , Electric vehicles
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