Mexico and U.S. Power Systems Under Variations in Natural Gas Prices

Luis Sarmiento, Anahi Molar-Cruz, Charalampos Avraam, Maxwell Brown, Juan Rosellón, Sauleh Siddiqui, Baltazar Rodríguez

Research output: Contribution to journalArticlepeer-review

12 Scopus Citations

Abstract

This study examines the impact of natural gas prices on the power systems of Mexico and the United States. For this, we develop an integrated modeling framework by soft linking three different techno-economic bottom-up models of the power and energy systems, one partial equilibrium model of the natural gas sector, and a partial equilibrium model of the Mexican energy sector. Our results show several interesting results: high natural gas prices raise the use of carbon-intensive technologies in the short-term and boost renewable investments at longer time intervals, increasing emissions in earlier periods and reducing them thereafter. Regarding system costs, because of more capital-intensive green power and lower expenditures in raw energy carriers, capital costs rise and operating costs decrease in the long haul. Furthermore, we see an increase in natural gas demand when its price is low, reducing long-term capital and operating costs through cheaper energy inputs in natural gas facilities and a lower share of capital-intensive renewable facilities in the power system. Concerning emissions, low natural-gas prices decrease coal use in the United States, reducing anthropogenic emissions until the last stages of the optimization period. For Mexico, they show heterogeneous results across models. Policymakers can use this study's results to understand the influence of natural gas prices in the Mexican and United States energy sectors.

Original languageAmerican English
Article number112378
Number of pages18
JournalEnergy Policy
Volume156
DOIs
StatePublished - 2021

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Ltd

NREL Publication Number

  • NREL/JA-5C00-75686

Keywords

  • Integrated modeling framework
  • Mexico
  • Natural gas
  • Power system
  • United States

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