Hydro-Electric Corporation, Tarraleah Power Scheme Upgrade Works, Lake King William

Current Stage

Assessment Completed

Proposal Details

Client: Hydro-Electric Corporation

Premises: Lake King William

Activity: materials handling

Class of Assessment: 2A

Important Dates

Assessment Commenced: 19/10/2022

Case for Assessment Opened for Public Comment: 11/11/2023

Case for Assessment Closed for Public Comment: 25/11/2023

Assessment Completed: 10/1/2024

​​​​​​​The Proposal​

The proposal relates to upgrade works for the Tarraleah Power Scheme and has multiple aspects, including the construction of an intake structure, including development of a temporary concrete batch plant; several extraction sites, including underwater; blasting at several sites, including underwater and underground for the tunnel; and crushing and screening of up to 100,000 cubic meters of material. The proposal will be located around the Clarke Dam area of Lake King William.​

The above proposal has been referred to the Board of the Environment Protection Authority (the Board) for assessment under Section 27 of the Environmental Management and Pollution Control Act 1994  (EMPC Act). An Environmental Effects Report (EER) has been lodged in support.

Notice of Intent

 Hydro-Electric Corporation, Tarraleah Power Scheme Upgrade Works, Lake King William - NOI (PDF 4Mb)

Environmental Effects Report Guidelines​

EER Guidelines have been prepared by the Board to assist the proponent to prepare a case for assessment. Based on the information contained in the Notice of Intent, the guidelines identify the key issues which are expected to be relevant to the assessment of the proposal.​

 Hydro-Electric Corporation, Tarraleah Power Scheme Upgrade Works, Lake King William - EER Guidelines (PDF 396Kb)​

​Public Exhibition of Documentation

A copy of the EER and supporting documentation will be available for public inspection during the period specified - see Environmental Effects Report below.

Copies of the EEER may also be requested from email/telephone number of contact.

A guide for preparing a representation can be found at Guide for Preparing a Public Submission.

Public Representations

In accordance with section 74(6) of the EMPC Act any person may make a representation relating to the above proposal from 11 November 2023 to 25 November 2023 in writing to:

Board of the Environment Protection Authority
GPO Box 1550
Hobart TAS 7001

or by emailing the Chairperson at: enquiries@epa.tas.gov.au

Please note that your correspondence may be publicly disclosed unless there is legitimate commercial, national security or environmental reason for confidentiality. If you would like your correspondence to remain confidential, please make a statement to that effect and indicate the basis for the request.

Environmental Effects Report

The purpose of the EER is to provide a source of information upon which interested individuals, groups, government agencies and the Board may consider the environmental impacts of the proposal.

The EER was prepared by the proponent on the basis of the Project Specific Guidelines for preparation of an EER which were provided by the Board.

 Hydro-Electric Corporation, Tarraleah Power Scheme Upgrade Works, Lake King William - EER (PDF 79Mb)

Environmental Assessment Report and EPA Decision

The environmental assessment report (EAR) has now been completed and can be viewed below. The report contains the Environment Protection Notice with conditions required by the Board.

 Hydro-Electric Corporation, Tarraleah Power Scheme Upgrade Works, Lake King William - EAR (PDF 2Mb)