The Commercial Lighting Calculation Tool (CLCT) can be used to calculate energy savings under the Commercial Lighting Energy Savings Formula in accordance with clause 9.4 of the ESS Rule. This version includes updates following amendments to the ESS Rule that commenced on 14 April 2023.
Important Note about entering the Annual Operating Hours (AOH) for Un-Switched or Switched Maintained Emergency Luminaire
Please note that there have been some issues identified with the CLCT when entering the AOH for New Areas where the Space Type is either “Un-Switched Maintained Emergency Luminaire” or “Switched Maintained Emergency Luminaire with a Control System”. For more information, please see Entering the Annual Operating Hours for New Areas with Un-Switched or Switched Maintained Emergency Luminaire