Home Energy Rebates
The Northern Territory Government is providing households with a rebate of 50% (up to $200) off the purchase and/or installation price of selected energy saving devices.

http://www.nretas.nt.gov.au/environment-protection/energysmart

Solar Hot Water Retrofit Rebate
The Solar Hot Water Retrofit Rebate program provides a financial incentive to pre-existing homes in the Northern Territory to replace electric systems with solar hot water systems.

http://www.powerwater.com.au/environment/renewable_energy_products/solar_hot_water_retrofit_rebate