'Green Memes' proposes an online social network and local kiosks for people to learn about energy consumption. Based on electricity data collected from smart grids, meters and sensors, data visualizations depict consumption per building, per person and at many other scales. A social networking function is attached to these — text messages, or ‘green memes’, invite users to engage with energy-savings advice, current events and sustainability research. Accessible online, through mobile devices, or installed locally, Green Memes combines ‘hard data’ with the ‘soft power’ of personalized information, public opinion and face- to-face communication. The project is currently seeking partners to further develop the system and interface design.