Hydro Tasmania summer storage levels “very strong”

Snowy Hydro Scheme pipeline running down mountain side in Tasmania (bolt chair)
Image: Hydro Tasmania

Hydro Tasmania has confirmed the state’s energy security is well-positioned for the peak of summer, with storage currently sitting at 43.5 per cent.

The company announced it will start a routine operation of the Combined Cycle Gas Turbine (CCGT) at the Tamar Valley Power Station this week.

Hydro Tasmania CEO Steve Davy said Tasmania’s storage levels are very strong for this time of year.

“As previously advised, we don’t need to run the CCGT for energy security this summer. However, we’re going to run it to support storages over the driest part of the year, as well as keeping the equipment in optimal condition,” Mr Davy said.

“At this stage, we anticipate running the CCGT for the balance of summer, according to operation requirements.”

As usual each summer, Hydro Tasmania storages have now peaked and will steadily decline through to autumn.

“Storages will drop below 40 per cent and continue down in coming months, which is a perfectly normal and natural seasonal pattern,” Mr Davy said.

“While that seasonal process may receive more attention than usual, it’s certainly no cause for any concern.”

At full capacity, the 208MW CCGT provides an output equivalent to about 17 per cent (one sixth) of Tasmania’s average energy requirements.

Thanks to strong winter rain and careful management, Hydro Tasmania greatly exceeded its storage target of 40 per cent at the start of summer.

“Subject to average inflows, we’ve set a storage target of at least 30 per cent on 30 June 2017. We don’t expect any difficulties in meeting that target,” Mr Davy said.

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