TransitionZero, initiated in 2021, aims to accelerate energy transitions, particularly in low-income countries, by providing open energy transition products and valuable data. Originating from a 2018 project at the Carbon Tracker Initiative, it evolved into a platform offering open-source investment-grade data products, and collaborates with like-minded organizations to promote a clean energy future. The team comprises data scientists, engineers, system modelers, and energy analysts, leveraging technology and sector expertise to drive their mission1.