Case Study
Collins Square

System Size:
223 kW
Client Profile
Walker Corporation is Australia’s largest private development company, with more than $777 million annual turnovers. The Walker Corporation management team takes sustainability seriously and wanted to keep mak ing strides to improve energy efficiency in particular. With the solar PV system, they knew they could generate carbon - free energy for years to come. Collins Square, one of Walker Corporation's most significant commercial developments, has received 6 stars NABERS Indoor Environment ratings - the highest achievable score in the Indoor Environmental rating scheme.


Tower 1 : DC - 100kWp AC - 82.8kVA

Tower 2 : DC - 73kWp AC - 60.9kVA

Tower 4 : DC - 50k Wp AC - 50kVA

The Venergy team worked closely with Walker Corporation and delivered the latest landmark commercial project on the Collins Square Towers. Walker Corporation is Australia’s largest private development company, with an annual turnover of over $777 million in revenue, and Collins Square Tower is one of its most significant commercial developments. Completed in December 2021, Venergy designed and constructed a 223kW solar system composed of Trina Solar panels and optimised SolarEdge systems. Exceeding the 6-star NABERS rating, this system sets a new height in building efficiency with 500 panels integrated to 600kW trigeneration gas turbines per tower, bringing the total generating capacity of three towers to 2 Megawatts.