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Southeast Asia is a significant stakeholder in the global action against climate change, given its growing population, rising greenhouse gas emissions, and vulnerability to climate change impacts. Public policy makers in this region are faced with the challenge of transitioning to cleaner energy sources to enable the attainment of Paris Agreement goals, while also expanding access to affordable and reliable energy supplies. Southeast Asia has one of world's fastest growing rates of greenhouse gas emissions due to rising fossil fuel combustion, second only to South Asia. As such, it is imperative to decouple its energy consumption from emissions growth. This paper reviews Southeast Asia's energy sector trends, with a focus on electricity supply and demand vis-à-vis global decarbonization efforts. Based on global and regional best practices, the paper highlights the crucial role that governments and public policy can play in accelerating the region's clean energy transition, namely through the establishment of mandatory long-term climate and renewable energy targets and binding policies; use of iterative and adaptive power system planning; support for effective market development; financing of pioneering investments and trunk infrastructure; and support for a just and equitable transition. • Countries of Southeast Asia need to accelerate the clean energy transition. • Governments and public policy play a key role in the energy transition. • Policy prescriptions provided based on global and regional best practices. [ABSTRACT FROM AUTHOR]

An extensive canal irrigation network in South Asia has developed over the past 170 years that consists of thousands of kilometers of constructed channels and distributaries. These canals cut across many energy-poor regions along their paths. In India, this canal network provides a unique opportunity for renewable energy generation that is yet to be realized. Existing technologies for energy generation on canals include small hydropower on canal falls and, recently, canal-top solar panels. In addition, opportunities for hydrokinetic generation in irrigation canals have received limited attention. This paper develops a novel canal-network level framework for energy planning that integrates generation with local energy needs in a canal-corridor. This framework for integrated spatial assessment analyzes the supply of renewable energy generation potential and the demand of unmet energy needs in a canal-corridor, using the Upper Ganga Canal in Uttar Pradesh, India as a case study. We consider the theoretical and technological potential of hydropower and solar power generation and develop three indices to assess the agricultural, domestic, and composite unmet power demand of the canal-corridor. Our results show an overall theoretical potential of 149.1 MW and 13,213 MW for small hydropower and solar power, respectively, which could more than help meet the current 18 hours per day electricity service standard in Uttar Pradesh. The framework uses standardized irrigation and census datasets and therefore is generalizable for canal networks across India and South Asia more broadly. • Irrigation canal energy technologies include small hydro and canal-top solar power. • Novel canal-network level framework for energy planning. • Integration of generation potential with local energy needs in a canal corridor. • Theoretical and technological potential of energy generation on canals. • Three indices for agricultural, domestic, and composite unmet power demand. [ABSTRACT FROM AUTHOR]