Hydro Tasmania is stepping up to the plate with a bold investment of $1.6 billion aimed at modernizing and optimizing its expansive hydropower infrastructure over the next decade. This initiative is not just a routine facelift; it’s a comprehensive overhaul of a network that includes 30 power stations and 54 major dams, making it one of the most intricate hydropower systems globally. As the state’s leading renewable energy generator, Hydro Tasmania has a legacy to uphold, but much of its infrastructure, built during the early days of hydropower, is in dire need of upgrades.
Acting CEO Erin van Maanen emphasized the importance of this investment, stating, “That means we’ll get more energy out of every drop of water, and we’ll be more responsive to fluctuations in demand and supply.” This is a critical point as Tasmania faces rising energy demands and the increasing variability brought on by wind and solar energy sources. The upgrades will not only extend the operational life of the power stations but will also enhance their capacity, reliability, and flexibility.
The capital works program includes significant refurbishments at ten power stations and five dams, which will play a pivotal role in transforming Hydro Tasmania’s network to meet future energy needs. The proposed redevelopment of the Tarraleah Hydropower Scheme and the construction of pumped hydro at Lake Cethana are also part of this ambitious vision. Van Maanen noted, “Investing in our infrastructure will prepare us for a new era of Tasmanian hydropower that will help meet the state’s energy demands now and in the future.” This proactive approach is essential in a landscape where renewable energy sources can be unpredictable.
Currently, major upgrades are in full swing at the Gordon and Poatina power stations. The Gordon Power Station, which opened its doors in 1978, is undergoing a $78 million refurbishment of two turbines, promising to add another 30 years to their operational life. The logistics of this project are nothing short of monumental; the turbines’ massive 173-ton stators are being carefully removed and transported from 183 meters underground, a feat requiring meticulous planning and coordination. Jesse Clark, Executive General Manager of Assets and Infrastructure, describes the engineering involved as “phenomenal,” highlighting the skilled workforce laboring in challenging conditions.
Meanwhile, Poatina Power Station, which has been operational since 1965, is also undergoing a $200 million upgrade. This project will see all six Pelton turbines upgraded to newer models from Andritz, a move that promises to boost efficiency and reliability. Site manager Julian Quinn, who has witnessed the evolution of Poatina over the past decade, expresses a deep connection to the power station, describing it as unique and full of character.
Hydro Tasmania’s in-house workshop in Hobart is another asset that sets it apart. It allows for specialized, responsive work on the machinery that is critical for the refurbishment projects. This capability ensures that the necessary parts are tailored precisely to the requirements of each power station, enhancing overall operational efficiency.
The implications of these developments extend beyond just improved energy production. By fortifying its infrastructure, Hydro Tasmania is not only securing its position as a renewable energy leader but also driving economic growth and job creation in the region. As the state gears up for a future dominated by renewables, the strategic moves made today will resonate for generations to come. With these upgrades, Hydro Tasmania is not just keeping pace; it’s setting the stage for a resilient energy future that can adapt to the ever-changing landscape of renewable energy.
