The document discusses several lighting upgrade projects undertaken by NuGreen Solutions to improve energy efficiency and reduce costs for commercial clients. It describes projects completed at Box Hill TAFE, Toll Group warehouses, a Spotless laundry facility, and high-profile buildings like Q1 Resort and Peppers Oracle Broadbeach. The upgrades generally involved replacing fluorescent lights with LED lights and resulted in energy savings of 50-90%, maintenance savings over 10 years, and reductions in carbon emissions. NuGreen's projects demonstrated the financial and environmental benefits of upgrading inefficient lighting systems.