The Leader of Aontú has called for the 100 euro electricity credit to be means tested.
Peadar Tóibín says withholding the payment from those earning over €100,000 a year would allow the credit to be doubled or tripled for others.
The once-off electricity credit was approved by Cabinet before Christmas and should be passed on to customers before the end of March.
He added that the government should be doing more to help those affected by increasing energy costs.
Proposals on measures to ease the burden of inflation are being worked on and may be presented to Ministers next week, but the Taoiseach has ruled out a mini-budget to deal with the rising cost of living.
The Aontú leader told Northern Sound that the government won't means test the payment because the IT systems being used are decades out of date: