Natural-gas industry in Sichuan Province:A coupling degree of security-economy-environmental protection from the perspective of energy"trilemma"
For natural-gas industry,the harmonious development coupling security and economy with environmental protec-tion is the key to push the transition of low-carbon energy.By introducing one theory of energy"trilemma",this paper ana-lyzes the short-term security and stability,middle-term economic feasibility and long-term low-carbon environmental pro-tection in this industry based on Sichuan provincial data from 2006 to 2021,and discusses the coupling degree among mul-tiple factors.Results show that(ⅰ)the level of both security and stability is relatively high because of resource-endowed su-periority conducive to surplus self-sufficiency,well developed provincial pipelines and powerful transportation guarantee.The level of economic feasibility is lower because price mechanisms under the mode of planned economy can hardly reflect a market's supply-demand relation in time,and harsh natural environment and scattered settlement in western China con-fines market expansion and reduces economic benefits.There is room for improving the level of low-carbon environmental protection since the increasing consumption proportion may lead to the synchronous carbon-emission increase,and the inte-grated development of natural gas and new energy will be an inevitable trend;and(ⅱ)resulted from the three major re-forms on quality,efficiency and power,the coupling degree has been on the rise,namely an optimal degree of both securi-ty and environmental protection since the association and coexistence of low-carbon energy transition and safe supply can be realized at the level of policy promotion;a higher degree of both security and economy as this supply may provide re-source support for market expansion and maintain stable price,while prosperous markets stimulate energy exploitation and infrastructure extension;and a lower degree of both economy and environment protection since the carbon contribution to energy consumption and the increase in the proportion of low-carbon energy consumption exert incentive and hindering ef-fects simultaneously on the coupling degree to offset each other.
Natural-gas industryCoupling degreeSafety and stabilityEconomic feasibilityLow-carbon environmental protectionEnergy"trilemma"
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