The Asean Power Grid (APG) was first mentioned as a concept in the bloc’s strategic vision statement in 1997. Why is a ‘holistic’ approach to advancing Asean power grid connectivity necessary? This broader approach helps underscore regional economic growth, job creation and shared infrastructure, fostering economic integration. What kind of mechanisms can be introduced to measure the environmental impacts of the Asean Power Grid? How can greater connectivity via the Asean Power Grid lead to lower electricity costs and air pollution?