Based on a literature review, complemented with short discussions with a few sectoral stakeholders, this note has identified the major impacts of extreme heat on the entire value chain (demand, generation, transmission, distribution and system operation) of the power sector. Secondly, based on this broad understanding, the note has also compiled possible action ideas, along with the current status and areas of improvement for existing and potential responses to such impacts of heat. However, the note has not looked at the technical design and operational aspects (related to heat and temperature) of various electrical equipment. Further, while the physical impacts of extreme heat on various elements within the power sector will be common across countries, the policy and regulatory framework referred to in the note is limited only to India. In India, action ideas would have to be fine-tuned across regions, states and districts.