The Snowy Mountains scheme is a hydroelectricity

Hydroelectricity

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

 and irrigation

Irrigation in Australia

Irrigation in Australia is a widespread practice to supplement low rainfall levels in Australia with water from other sources to assist in the production of crops or pasture. As the driest inhabited continent, irrigation is required in many areas for production of crops for domestic and export use...

 complex in south-east Australia. It consists of sixteen major dams; seven power stations; a pumping station; and 225 kilometres of tunnels, pipelines and aqueducts and was constructed between 1949 and 1974. The Chief engineer was Sir William Hudson

William Hudson (engineer)

Sir William Hudson, KBE , Australian engineer, headed construction of the Snowy Mountains Scheme for hydroelectricity and irrigation in Australia from 1949 to 1967, when he reluctantly retired at 71...

. It is the largest engineering project undertaken in Australia.

The Scheme's construction is seen by many "as a defining point in Australia's history, and an important symbol of Australia's identity as an independent, multicultural and resourceful country".
The water of the Snowy Mountains

Snowy Mountains

The Snowy Mountains, known informally as "The Snowies", are the highest Australian mountain range and contain the Australian mainland's highest mountain, Mount Kosciuszko, which reaches 2,228 metres AHD, approximately 7310 feet....

 Region are captured at high elevations and diverted inland to the Murray River

Murray River

The Murray River is Australia's longest river. At in length, the Murray rises in the Australian Alps, draining the western side of Australia's highest mountains and, for most of its length, meanders across Australia's inland plains, forming the border between New South Wales and Victoria as it...

 and the Murrumbidgee River

Murrumbidgee River

The Murrumbidgee River is a major river in the state of New South Wales, Australia, and the Australian Capital Territory . A major tributary of the Murray River, the Murrumbidgee flows in a west-northwesterly direction from the foot of Peppercorn Hill in the Fiery Range of the Snowy Mountains,...

, through two tunnel systems driven through the Snowy Mountains

Snowy Mountains

The Snowy Mountains, known informally as "The Snowies", are the highest Australian mountain range and contain the Australian mainland's highest mountain, Mount Kosciuszko, which reaches 2,228 metres AHD, approximately 7310 feet....

.