10-in-10 energy reduction target
Transurban has a 10-in-10 energy reduction target. This means we have committed to reducing our energy use by 10 per cent within 10 years (from FY13 to FY23).
As we have acquired or built additional assets during this 10-year period, we have expanded our target accordingly. This means energy reduction is a priority for all assets, including new assets. This year we added AirportLinkM7 to the scope of our target for the first time.
Our FY17 energy usage of 556,568 GJ means we have achieved a 1.3 per cent reduction in energy use to date since the FY13 baseline.
Major focus areas in the delivery of the 10-in-10 energy reduction target include:
- Optimising existing tunnel-ventilation control systems in response to updated emissions profiles, vehicle volumes and in-tunnel air quality conditions
- Investigating whether powered ventilation systems can be fully or partially switched off – while ensuring emission levels comply with stringent air quality requirements
- Upgrading road lighting to LED or more efficient fluorescent luminaires
We are confident that realising these opportunities will allow us to meet, or exceed, our 10 per cent reduction target by the FY23 target year.
The design and fit-out of our head office in Melbourne prioritised energy efficiency. In 2016 the office originally received a 5-star NABERS Energy rating, representing ‘excellent’ energy efficiency.
Following lighting and electrical audits, further adjustments to the offices’ electrical wiring, automatic timer systems and sensor controls were made and in FY17 we were awarded a 5.5-star NABERS Energy rating. Compared to last year, our head office now uses almost 10 per cent less energy, despite employee numbers increasing by 12 per cent.
To further reduce our grid energy use, we have installed renewable energy technology at some of our assets. This year we installed 23.4 kW of renewable capacity via solar panels at our Brandl St office (Brisbane) and at two Motorscapes sites (Melbourne and Sydney).
In total, we have installed 140 kW capacity across our network, including existing solar panels on the Eastern Distributor and Cross City Tunnel control centres. These renewable sources generated a combined 131 MWh of electricity on Transurban-managed assets during FY17.
The M5 Southwest, in which Transurban has a 50% equity interest and does not include in its energy performance targets, has an additional 30 kW of solar capacity and generated 48 MWh of solar electricity in FY17.
8) Energy figures exclude non-Transurban managed assets (M5 South West and Westlink M7).