Cultural institutions are beginning to confront their deep entanglement with the high-carbon systems that have driven the climate crisis, recognizing operational, existential, and epistemological challenges in a decarbonizing world. Exhibitions have historically celebrated fossil energy as progress, and museums now face the complex task of balancing this legacy with urgent climate narratives that promote societal transformation. Energy humanities offer a critical lens to support cultural institutions in reshaping their societal roles and future visions to ethically contribute to a low-carbon future.