1. The Standard Test Condition rating (STC) assumes a standard set of optimal operating conditions (25°C cell temperature, 1000 W/m2 and an air mass of 1.5). The STC rating is most otien used by manufacturers to classify the power output of PV modules. To calculate the system's energy production for any future year, the expected degradation in system performance is included (See "PV degradation", in table below). 2. Energy Output is calculated based on historical solar irradiance at the given location. A typical meteorological year is selected using statistical methods. Factors including panel tilt, orientation (azimuth), and system efficiency are taken into account. 3. System efficiency is estimated to account for losses caused by a variety of factors. These factors include intermitient shading, cable losses, dirt, scheduled downtime, manufacturer tolerances, inverter efficiency for DC to AC (this does not affect off-grid DC only systems), batiery round trip efficiency, and other factors. 4.Utility electricity price inflation is adjusted based on the given location. 5. Clean Energy Regulator. 2021. Electricity sector emissions and generation data 2019-20. [ONLINE] Available at: 6. United States Environmental Protection Agency. 2017. Greenhouse Gases Equivalencies Calculator - Calculations and References. [ONLINE] Available at: https://www.epa.gov/energy/greenhouse-gasesequivalencies-calculator-calculations-andreferences# kilowati 7. Australian Small-scale Technology Certificates (STCs) are an incentive provided under the Renewable Energy Target. One certificate is equal to one megawati hour of eligible renewable electricity either generated or displaced by the installed system. [ONLINE] Read more at: http://www.cleanenergyregulator.gov.au/RET/Scheme-participants-and-industry/Agents-andinstallers/ Small-scale-technology-certificates.