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Impact of Detailed Parameter Modeling of Open-Cycle Gas Turbines on Production Cost Simulation

Conference ·
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Flexible resources are increasingly important as variable renewable energy deployment in the power system increases. Although many systems are transitioning away from fossil fuels, open-cycle gas turbines are likely to play an important balancing role for some time, thus requiring accurate modeling of their operational parameters. This paper explores the impact of detailed representation of three operational parameters-startup costs, run-up rates, and forced outage ratesin the production cost model of a system as it adopts higher levels of wind and solar. Using PLEXOS simulations of the NREL-118 bus test system, the study examines how more detailed parameter modeling affects outcomes such as the number of start-ups and shutdowns, ramping and total generation costs for open-cycle gas turbines, as renewable energy levels increase. The results suggest the value of detailed parameter modeling and continued research on combustion turbines' ability to provide flexibility.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Fossil Energy (FE)
DOE Contract Number:
AC36-08GO28308
OSTI ID:
2281820
Report Number(s):
NREL/CP-6A40-88574; MainId:89353; UUID:71638e95-49cc-44b8-a919-9af7f27bb410; MainAdminID:71569
Resource Relation:
Conference: Presented at the North American Power Symposium, 15-17 November 2023, Asheville, North Carolina; Related Information: 87554
Country of Publication:
United States
Language:
English

References (4)

Co-Optimization of Generation Unit Commitment and Transmission Switching With N-1 Reliability May 2010
The impact of sub-hourly modelling in power systems with significant levels of renewable generation January 2014
Impact of operational constraints on generation portfolio planning with renewables July 2015
An Extended IEEE 118-Bus Test System With High Renewable Penetration January 2018

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Related Subjects

ENERGY PLANNING, POLICY, AND ECONOMY
economic dispatch
energy markets
open-cycle gas turbine
production cost simulation
unit commitment