The article discusses the concept of the grid system, focusing on the UK's unique position of having two grids - the traditional electrical grid and an advanced methane gas entity spanning over 7000 km. While the electrical grid is more commonly known, the methane gas network is often overlooked. The energy transition is driving changes in the grid system, prompting a pivot towards new technologies and energy sources. Charley Rattan Associates, led by Charley Rattan, is highlighted for their role in upskilling, advising, and informing about the global energy transition. The article emphasizes the importance of understanding the evolving grid system to meet the challenges and opportunities presented by the changing energy landscape.