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Renewable power penetration from remote location-constrained recourses to the grid are often facing challenges of regulatory investment tests and cost-benefit assessment policies. The shortfall of long distance remote transmission pursues the high investment-cost underlies herewith. This research focuses on this challenging issue to mitigate economic, technical and regulatory barriers highlighting two contributions - 1) transmission configurations for connecting remote generation clusters to the grid for achieving economies of scale, and 2) an inclusion of environmental surplus to the net benefit framework to uplift renewable generation compared to conventional generation options. The context of this study is the Australian National Electricity Market (NEM); hence, network and market data are accumulated from the Australian NEM. However, concepts are verified through the IEEE RTS 24-bus test system. This study aims to enhance regulatory policies and planning frameworks to be more efficient and justifiable for renewable-integration paradigm.