Power and Water Corporation is a Northern Territory Government owned corporation in the Northern Territory. Power and Water is the Northern Territory's premier provider of electricity, water and sewerage services. The Power and Water Corporation was formed on 1 July 2002, taking over from the former government utility Power and Water Authority. Power and Water became the first Government – owned corporation in the Northern Territory. The corporation has more than 142,120 customers.
A new power plant, the Weddell Power Station, is currently near completion. The first two generators came on line in 2008–2009. The third generator is due to be completed in 2011–2012. When the power station is fully operational, it will add 30% capacity to Darwin's power supply.
The corporation is also responsible for management of sewerage and the major water catchments in the region. Water is mainly stored in the largest dam, The Darwin River Dam which holds up to 90% of Darwin's water supply. For many years, Darwin's principal water supply came from Manton Dam.