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| Gordon River Power Development | |
|---|---|
| Name | Gordon River Power Development |
| Location | Tasmania, Australia |
| Status | Operational / Expansions proposed |
| Construction | 1960s–1980s |
| Owner | Hydro Tasmania (primary) |
| Reservoirs | Lake Gordon, Lake Pedder (artificial), Lake Burbury (associated) |
| Plant type | Hydroelectric |
| Turbines | Francis, Pelton (various) |
| Capacity | ~2,000 MW (system-wide Tasmanian hydro context) |
| Website | Hydro Tasmania |
Gordon River Power Development
The Gordon River power development is a major hydroelectric complex in western Tasmania centered on the Gordon River catchment that reshaped the island's Tasmanian Wilderness World Heritage Area hydrology and energy system. Designed during the mid‑20th century, the scheme links large storage reservoirs, dams, tunnels and underground power stations to supply electricity to Hobart, heavy industry such as the Bell Bay Aluminium Smelter and to support the National Electricity Market. The program involved national and international engineering firms, state agencies and environmental groups, producing enduring political, legal and conservation debates involving figures such as Gough Whitlam, Whitlam Government ministers and Tasmanian premiers.
The project transformed the Gordon River basin by creating major storages including Lake Gordon and the flooded original Lake Pedder basin, integrating with the broader Hydro Tasmania network that includes the Derwent River and King River systems. It facilitated large‑scale hydroelectric generation for Tasmania, supported industrial development, and became a focal point in Australian environmental history linked to campaigns by organizations like the Tasmanian Wilderness Society, legal actions in the High Court of Australia, and international attention from UNESCO regarding the Tasmanian Wilderness World Heritage Area.
Planning began after post‑war industrial expansion and state energy strategies pursued by the Tasmanian Hydro‑Electric Commission and successive Tasmanian administrations. Early proposals involved surveys by firms such as Sir William Hudson–era consultants, and influenced policy debates in the Australian Labor Party and Liberal Party of Australia at both state and federal levels. The contentious decision to inundate the original Lake Pedder in the late 1960s and early 1970s provoked campaigns by the United Tasmania Group, the Australian Conservation Foundation, and activists including Gretel S. Breen-era figures, leading to inquiries, parliamentary debates in the Parliament of Tasmania, and judicial scrutiny under Commonwealth legislation like the Environment Protection and Biodiversity Conservation Act 1999's antecedents.
Key civil works include the Gordon Dam—a major concrete arch dam—and associated rockfill and earthworks that created Lake Gordon by impounding the Gordon River. The scheme used extensive tunnel systems through the Franklin-Gordon Wild Rivers National Park precinct and involved ancillary works connecting to the King River Power Development and Lake Burbury. Engineering contractors collaborated with entities such as Clyde Engineering and international consultants, employing design standards similar to other major projects like Snowy Mountains Scheme components.
Generation is delivered via underground and surface power stations equipped with Francis and Pelton turbines tailored to high head operation, feeding the Tasmanian grid and linking to the Basslink interconnector when commissioned. Installed capacity attributed to the Gordon complex and linked schemes contributed substantially to Tasmania's installed hydro capacity, historically underpinning supply to urban centres like Hobart and industrial users in Bell Bay. Generation profiles influenced Tasmania's role in the National Electricity Market and enabled export/import trade with mainland Australia.
Inundation of original wetlands and the Lake Pedder basin altered habitats for endemic species, affecting flora communities in the Tasmanian temperate rainforests and fauna including endemic freshwater fishes and invertebrates. Conservation responses invoked World Heritage Committee assessments regarding the Tasmanian Wilderness, campaigns led by activists such as Bob Brown and organizations like the Tasmanian Conservation Trust, and scientific studies from institutions including the University of Tasmania that documented impacts on water quality, sedimentation, and riverine ecology. Legal and policy outcomes influenced later Australian environmental law precedents and conservation planning for regions like the Franklin River.
The development enabled regional economic growth through reliable power for aluminium smelting at Bell Bay Aluminium Smelter and supported urbanisation in Greater Hobart. It catalysed employment in construction and subsequent operation managed by state agencies such as the Hydro-Electric Commission (Tasmania), later reorganised as Hydro Tasmania. Conversely, the scheme produced social conflict, galvanising grassroots politics exemplified by the United Tasmania Group and influencing federal intervention debates during the Whitlam Government and later administrations. Tourism and recreation around flooded lakes changed, affecting communities in towns like Gordon River settlements and visitor patterns to the South West National Park.
Operational management has been conducted by Hydro Tasmania under Tasmanian statutory frameworks and corporate governance models that have evolved with federal energy policy, state legislation, and market reforms affecting the National Electricity Market. Regulatory oversight has involved the Australian Energy Regulator, Tasmanian Planning Commission and heritage bodies including UNESCO and the Australian Heritage Council when deliberating protected area boundaries and development approvals. Ownership remained predominantly state‑based, with commercial and public accountability responsibilities shaped by decisions in the Tasmanian Parliament.
Proposals for upgrades, pumped‑storage integration, and expanded capacity have attracted debate involving stakeholders such as renewable energy developers, conservation NGOs, and industry groups like the Australian Aluminium Council. Climate change projections from agencies like the Bureau of Meteorology and research from the Commonwealth Scientific and Industrial Research Organisation (CSIRO) inform modelling for inflows and storage reliability, prompting reassessments of environmental mitigation and cultural heritage values championed by Tasmanian Aboriginal organisations including the Tasmanian Aboriginal Centre. Controversies persist over balancing energy security, exports via Basslink, ecosystem restoration including debates about the feasibility of re‑establishing the original Lake Pedder shoreline, and compliance with international heritage obligations under World Heritage Convention processes.
Category:Hydroelectric power stations in Tasmania Category:Environmental controversies in Australia