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This FACT indicates the percentage of households with solar hot water heating in each Australian city from 2014. Despite an excellent solar resource, the penetration of solar water heaters in the Australian domestic market is only about 4% to 5%, with new dwellings accounting for most sales. The city with the highest usage of solar hot water heating is Perth with 16.8 percent while the city with the least is Melbourne and Sydney, at 6.0 percent.
*NOTE: Data not available for Canberra, Darwin, and Hobart.