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Coordinated operation of electricity and natural gas systems from day-ahead to real-time markets

Journal Article · · Journal of Cleaner Production
Power systems worldwide are becoming more reliant on energy from natural gas, wind, and solar, posing possible reliability and coordination challenges from the tighter coupling of these infrastructure systems. This paper proposes a framework for the market-based coordination of electricity and natural gas system operations. The proposed framework includes a power system model that accounts for flexibility in the commitment of power plants with short start-up and shut-down times, coupled with a dynamic gas model that simulates when gas cannot be delivered to generators. The capabilities of the framework are illustrated using real-world electric power and gas systems, including scenarios around wind and solar penetrations and the analysis of time-variant, “shaped flow” gas nominations. Our results indicate that coordination between power and gas systems improves total gas delivery and reduces out-of-merit order dispatch in the electricity system, and that shaped flows may reduce unserved gas in systems with high penetrations of wind and solar. Coordination can have mixed effects on carbon-dioxide emissions, with emissions increasing with coordination for current systems during high load weeks but decreasing for systems with high renewable penetrations, particularly during periods of high variability.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
Joint Institute for Strategic Energy Analysis (JISEA); USDOE
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1721735
Alternate ID(s):
OSTI ID: 1809684
Report Number(s):
NREL/JA--6A50-76383; MainId:7039; UUID:e98186a6-7268-ea11-9c31-ac162d87dfe5; MainAdminID:18786
Journal Information:
Journal of Cleaner Production, Journal Name: Journal of Cleaner Production Vol. 281; ISSN 0959-6526
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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