Case Study: Commercial Office
200 Victoria Street, Melbourne

Cogent Energy has designed and installed a state of the art trigeneration plant at 200 Victoria Street, Melbourne. This building is the old CUB laboratory site that has been fully refurbished by the owner to house premium office space with small boutique retail shops.

Building Owner:

Drapac

Location:

Melbourne

Building Description:

Premium offices & retail tenancies

Building Size:

8,500 sqm NLA

Plant Operational Date:

December 2009

Cogeneration Configuration

The 200 Victoria Street trigeneration plant comprises of a 386kW MTU Series 400 natural gas fired engine that is connected in parallel to the grid. The engine is coupled to a 290 kW Thermax exhaust absorption chiller and a 230kW heating water heat exchanger. The facility is fully integrated into the building’s chilled, heating and condenser water systems.

The plant is set up to operate either in grid parallel export or island mode and operates automatically during the peak demand periods or during grid outages as emergency backup.

Plant Capacities

Peak Electrical:

386kW at 0.8 power factor

Peak Thermal:

290 kW cooling, 230 kW heating

Energy Efficiency:

80% Overall Efficiency (estimated) when compared to grid electricity

Benefits

Energy Efficiency:

Building Targets – 5 star NABERS and 6 star Green Star

Backup:

Provides emergency backup if grid connection fails

Sustainability:

Estimated savings of up to 950 tonnes of CO2 per annum.