The National Energy System Operator (NESO), known as ESO before, is making sure that Great Britain has the essential energy it needs by ensuring supply meets demand every second of every day. From hospitals to households, telecoms to transportation, our society relies on electricity. NESO control centre makes sure there is always a reliable and safe supply as we move megawatts around the country. You will have the opportunity to visit the heart of the GB electricity power system and ask any questions to the system control expertise during the visit.