The assessment used the International Hydropower Association Sustainability Assessment Protocol, for which Hydro Tasmania has had a lead role in developing.
Hydro Tasmania said that the assessment was conducted by a team of independent assessors in late 2011 and considered 19 sustainability topics including governance, asset reliability and efficiency, safety, erosion, water quality, downstream flow and reservoir management.
“For one topic, Biodiversity and Invasive Species, the authors of the [assessment] report believed the level of investigations into a threatened snail species in Cataract Gorge was not sufficient to warrant a rating of basic good practice,” said Andrew Scanlon, Hydro Tasmania’s Manager for Sustainability and Safety.
“Hydro Tasmania disagrees with this conclusion, however, we have forwarded the report to the Tasmanian Department of Primary Industries, Parks, Water and the Environment (DPIPWE), and we are happy to have further discussions with DPIPWE.”
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