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Poatina Power Station

Technology Type Open-loop Pumped Hydro Storage
Rated Power 300000 kW
Duration at Rated Power (HH:MM) 0:15.00 / 0.00
URL More about Poatina Power Station
In 1957 a decision was made to stop water flowing south from Great Lake through the Shannon and Waddamana Power Stations and take it north to use the much bigger drop down the face of the Great Western Tiers. A fall of 830 metres was achieved using some of the most advanced engineering techniques available at that time. A six kilometre tunnel was drilled under a ridge to the northern edge of the Great Western Tiers. From here the water flows down a large high-pressure steel penstock and vertical shaft into Tasmania’s first underground power station at Poatin. The Poatina Power Station is a huge underground excavation, as wide as a city street, as long as a city block and as high as a seven story building. It houses six 50 MW generators and is the State’s second largest power station.
This data has been validated by project staff through a review of publicly available information about the project, and verified by the project owner. Information is accurate as of 2016-04-29.
Project Status
Status Operational
Commissioning On DD.01.YYYY
Project Includes Multiple Systems No

Great Lake, Tasmania

Utility Type
Paired Grid Resource
Project Includes Multiple Systems No
Ownership & Value Chain Partners
Ownership Model Third-Party-Owned
Equity Owner 1 Hydro Tasmania
Energy Storage Technology Provider Siemens, Andritz
Cost & Performance
Performance Performance metrics not available
Service Use Case Electric Energy Time Shift
Electric Supply Capacity
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