Categories: Energy Efficiency

Council installs co-gen units at public pools to cut costs, emissions

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Darebin City Council in Melbourne’s north has completed a major energy retrofit project at its two community swimming pools – two of the local government area’s largest energy users – that will save it an expected  $100,000 on operational costs a year.

The $2.1 million project, which received $875,800 in funding from the federal government’s Community Energy Efficiency Program (CEEP), included the installation of gas-fried cogeneration systems at both the aquatic centres in Northcote and Reservoir, as well as LED lighting, thermal pool blankets and building and air-conditioning upgrades to boost thermal efficiency.
The on-site cogeneration units installed at the two pools – a 75kW system at Reservoir and a 122kW system at Northcote – will together account for more than half of the projected cost savings, generating most of the sites’ electricity and using the waste engine heat to help heat the pools and change rooms.

The systems incorporate an easy-to-use remote monitoring interface that allows the centres’ management to view the performance of the systems in real time, and analyse historical data, to help identify opportunities to improve the units’ performance.

Darebin Council said it had chosen to go with the natural gas-fired cogen systems – both of which were supplied by Schmitt Enertec – rather than rooftop solar, due to the ability to run the cogen around the clock, and because the greenhouse gas savings from cogeneration were identified as significantly higher than that from a large-solar power system.
Council documents say that while payback for cogeneration was somewhat longer than for solar, the former was still considered an acceptable choice, given the significant greenhouse gas savings possible.
Darebin climate change action officer, Indy Lingham, said the Council would now continue to work on improving the energy efficiency in all of its remaining council buildings, as well as working with constituents to cut their energy use.

This post was published on August 20, 2015 3:21 am

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  • Australian company Granite Power Ltd (GPL) has a combined heat and power facility operating at Wallsend swimming pool in Newcastle. This facility uses a solar array to capture the sun's energy which is then used to drive an organic Rankine cycle turbo-generator. The rejected heat from this system is used to heat the swimming pool.

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