This blog post explores the author's journey with solar battery installation, emphasizing the carbon-offset benefits of using a solar battery despite initial financial concerns. It details the economics of charging and discharging the battery based on carbon intensity, using real data to calculate carbon savings compared to financial savings. The author reflects on the long-term impacts of their solar system on carbon emissions, technological data collection methods, and future expectations regarding the UK's grid carbon intensity. Ultimately, the author advocates focusing on the broader carbon impact rather than just break-even points.