The NEM – the Umpire strikes back

The St Vincent de Paul Society, in conjunction with Alviss Consulting, has been tracking changes to residential energy tariffs and reporting on household impacts since 2010. Initially the Tariff-Tracking project only covered Victoria but has since expanded to include New South Wales, Queensland, South Australia, Tasmania and the Australian Capital Territory.

With the introduction of the Default Market Offer (DMO) in NSW, South East Queensland and South Australia and the Victorian Default Offer (VDO) in Victoria from 1 July 2019 all the previously deregulated electricity retail markets are again regulated. The DMO and the VDO is a significant development that the Tariff-Tracking project will monitor and analyse the impact of.


Tariff-tracking 10-year recap: Interactive online application

The data for the Tariff-Tracking project goes back to 2009 and this means we now have 10 years of Tariff-Tracking data. We have produced a web application that looks at electricity price changes over this period as well as some key events and developments that have had an impact on prices. The web application is available at:

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