New comparison website bonkers.ie is really excellent at crunching through all the waffle about electricity tariffs and rates.
For a hefty enough €250 per month Urban ESB bill, the savings are pretty spectacular. It's even a weeny bit cheaper than Bord Gais.
While Bord Gais is up to 14 per cent cheaper than the ESB, the discount only runs for a year.
If you were one of the 300,000 or so who made the Big Switch to Bord Gais last year, check your bill, the discount may have ended.
Best: Airtricity Budget Plan with eBill €1,319.44 per year
Avoid: ESB €1,500