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Participants in the Hunter River Salinity Trading Scheme (HRSTS) must discharge only when a river register has been issued for a given river block, under Clause 20 of the HRSTS Regulation.

Every 2 years, 200 new salt credits are created to replace expired ones. Credits have a lifespan of 10 years.

Salt credit auctions are conducted every 2 years.

This page provides instructions to login to the online auction, using the interface and bidding.

200 credits were auctioned on 24 April, raising more than $2.5 million. The money covers the costs of managing the Hunter River Salinity Trading Scheme.

200 credits were auctioned on 26 May 2022, collecting over $2.3 million. The money covers the costs of managing the Hunter River Salinity Trading Scheme.

The Scheme has proved tremendously successful and is widely supported by the community that contributed to its creation.

The Scheme performed effectively to minimise salinity in the Hunter River, despite challenges around significant rainfall between July and December 2022.

The yearly average electrical conductivity increased, mainly due to low flows in the river from January to June 2023.