Reducing Greenhouse Gas Emissions, continued

Area 2 - Electricity Generation

The electricity that Origin Energy produces has half as much greenhouse gas than the average Australian energy producer because our electricity generation plants use natural gas instead of coal.

Most of the time, businesses get their electricity sent to them by wires from an electricity plant. When electricity is made at the electricity plant there is often heat created. This heat is often not used for anything and is 'wasted'. Origin Energy is working with the Australian Greenhouse Office on a number of 'cogeneration' projects which can use this waste. Cogeneration happens when electricity is created at a factory or on a work site and the 'waste' heat is used to produce other useful products, such as steam.

Steam is usually created in a separate process that needs power. By using the wasted heat to make steam, the plants save energy. If they also use natural gas to create electricity, then the outcomes are a real improvement for the environment.

Gas-fuelled cogeneration and power generation plants can reduce greenhouse gases by over half.

Using this new technology, we are now building gas powered cogeneration plants at several major work sites.

Origin Energy's gas powered generation plant at Ladbroke Grove. This plant has Australia's first application of the energy efficient 'fog-cooling' technology.

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