NSW coal put aside for local market

NSW coal companies will earmark about seven to 10 per cent of their coal for domestic electricity. (Dave Hunt/AAP PHOTOS) (AAP)

Coal companies in NSW will need to set aside between seven and 10 per cent of their output for the domestic market as authorities scramble to rein in soaring energy prices caused by the conflict in Ukraine.

Treasurer Matt Kean on Thursday confirmed the expansion of the domestic reservation arrangements to even the playing field among coal producers abiding by the coal price cap.