Yestino - The Signal ยท Firmus Energyhttps://yestino.com/entities/firmus-energy-7466d9Every event involving Firmus EnergyenFirmus Energy customers face price increasehttps://yestino.com/events/firmus-energy-customers-face-price-increase-2163d2https://yestino.com/events/firmus-energy-customers-face-price-increase-2163d2Fri, 04 Sep 2026 10:00:59 GMTCustomers in the Ten Towns area will see a 8.98% increase and 12.5% for Greater Belfast. Sources: BBC Business