World Power Plants

Tumut 3 Power Station1,500 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Tumut 3 Power Station is a prominent hydroelectric power generation facility located in Australia, with a significant capacity of 1500 MW. This plant plays a crucial role in the Australian energy landscape, particularly in the Snowy Mountains region, where it is strategically positioned at coordinates -35.6111, 148.2917. Operated by Snowy Hydro, the Tumut 3 Power Station is part of the larger Snowy Scheme, which has been pivotal in providing renewable energy to the national grid since its inception. Utilizing advanced hydro technology, the facility harnesses the power of flowing water to generate electricity, contributing to Australia’s commitment to sustainable energy generation. The importance of Tumut 3 extends beyond mere capacity; it plays a vital role in energy storage and management, allowing for the balancing of supply and demand, especially during peak periods. This capability is increasingly essential as Australia integrates more renewable energy sources into its grid. Furthermore, the Australian government has recognized the significance of hydroelectric power in achieving its climate goals, making plants like Tumut 3 essential to the nation's energy policy framework. The operation of Tumut 3 Power Station exemplifies the potential for hydroelectric facilities to contribute to a cleaner and more sustainable energy future in Australia.

Capacity
1,500 MW

1.50 GW

Commissioning Year
1974

52 years old

Owner
Snowy Hydro
Location
-35.6111°, 148.2917°

Australia, Oceania

Context & rankings
  • 12. largest of 678 plants in Australia
  • #1,243 worldwide by installed capacity
  • #158 of 8,493 Hydroelectric plants worldwide
  • 0.96% of the installed capacity of Australia
Age & fleet comparison

52 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Snowy Hydro operates 8 plants totalling 4,963 MW

Regional density

21 plants within 100 km, 6,836 MW combined

Nearest plant: Jounama (5.6 km)

Data provenance

Location

Coordinates:: -35.611148, 148.291720
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Tumut 3 Power Station is a hydro power plant producing approximately 5256 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Australia
Continent
Oceania
Data Source
Global Power Plant Database

Tumut 3 Power Station: A Key Player in Australia's Hydro Energy Sector

The Tumut 3 Power Station, located in New South Wales, Australia, is a significant asset in the nation's energy landscape, boasting a capacity of 1500 megawatts (MW). Owned and operated by Snowy Hydro, it plays a crucial role in providing reliable and renewable energy to the Australian grid. As a hydroelectric power station, Tumut 3 harnesses the kinetic energy of flowing water to generate electricity, utilizing the natural water resources of the Snowy Mountains region. This method of energy production not only contributes to the reduction of greenhouse gas emissions but also supports Australia's commitment to transitioning towards sustainable energy sources.

The Tumut 3 facility is an integral component of the larger Snowy Mountains Scheme, which is a network of dams, reservoirs, and power stations designed to generate hydroelectric power and manage water resources. The station operates by using water from the Snowy River, which is diverted through a series of tunnels and pipes to drive turbines, converting the energy of moving water into electrical power. The plant's design is characterized by its underground construction, which not only minimizes its visual impact on the landscape but also enhances its operational efficiency.

In terms of environmental impact, hydroelectric power is generally considered one of the cleanest forms of energy production, as it does not produce air pollutants or direct greenhouse gas emissions during operation. However, the construction and operation of large-scale hydroelectric projects can have significant ecological consequences, including alterations to river ecosystems and impacts on local wildlife habitats. The Tumut 3 Power Station strives to mitigate these effects through careful water management and environmental monitoring, ensuring that its operations support both energy generation and ecological preservation.

Regionally, Tumut 3 holds substantial importance not only for its energy contributions but also for its role in the local economy. The power station provides employment opportunities and supports local businesses, contributing to the overall development of the Snowy Mountains region. Additionally, it enhances energy security for New South Wales and the broader Australian energy market by providing a stable and controllable power source that can respond to peak demands.

In summary, the Tumut 3 Power Station exemplifies the capabilities and benefits of hydroelectric energy production in Australia. Its substantial capacity, combined with its environmental considerations and regional economic contributions, positions it as a vital player in the country’s ongoing efforts to achieve a sustainable and resilient energy future.

AustraliaEnergy Profile

678
Total Plants
156.6 GW
Total Capacity
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