Energy Efficiency

Hunter Water Corporation (Hunter Water) has worked hard over the past two years to transform its overall approach to energy management and greenhouse gas reduction. This has seen a major shift in the internal culture of the organisation with energy efficiency projects now coming to the fore of many operational areas.

Hunter Water launched its Greenhouse Gas Abatement Strategy in March 2009 committing it to no net annual increase in ghg emissions between 2008 and 2013 (using 2006-07 as a baseline year). Energy efficiency is a key component to deliver this strategy and Hunter Water established an Energy Efficiency Team to focus on this priority.

Hunter Water has over 600 electricity consuming sites which used 74 giga watt hours of electricity in 2009-10, 75 per cent of which is used to treat wastewater and to transport potable water.

Electricity breakup across Hunter Water's operations

Electrical Energy Consumption

To date, implemented projects have focussed on relatively simple and low cost modifications to existing assets. Energy efficiency does not always have to involve the latest and most expensive technology. Sometimes a different or innovative way of thinking can lead to a more energy efficient approach.

Case study 1 - Burwood Beach Wastewater Treatment Works

Case study 2 - Belmont Wastwater Treatment Works

Case study 3 - Eleebana Pump Station

Hunter Water's energy efficiency challenge has been to achieve a balance between immediate gains, longer term savings from building new energy efficient assets and setting up supporting business systems.

Key success factors of Hunter Water's Energy Efficiency Program include the commitment of the leadership team, improved access to good quality data through the implementation of an electricity billing information system (E21 EnergyPlus), staff engagement and the establishment of systems, structures and processes to support the goals of the program.

Energy Management Awareness Training is run six monthly for Hunter Water staff.