People Before Profit is calling for a cap on electricity prices of 25 cent per kilowatt hour - which would result in the average household paying around 1 thousand euro a year.
The high price of gas and electricity has led to calls for the energy sector to be taken into public ownership.
Latest figures from Eurostat show customers here are paying 500 euro a year more than most other EU countries.
People Before Profit is calling for a cap on electricity prices of 25 cent per kilowatt hour - which would result in the average household paying around 1 thousand euro a year.