"Duty evidence","Your scenario","OEM or qualified-review question" "Normal power source and proposed purpose","","Emergency backup, recurring supply or sustained constant load" "Running intervals and loads","","Preserve kW and duration for each running segment" "Non-running intervals","","Keep separate from applicable running-time average" "Expected annual operating hours","","Scenario assumption, not a universal limit" "Exact set and rating name","","Current OEM definition and rated kW" "Average-load rule and window","","Record denominator and treatment of non-running time" "Maximum-load conditions","","No overload permission inferred" "Maintenance conditions","","Exact applicable requirements" "Site conditions and qualification","","OEM/site derating review" "Utility-parallel status","","Separate qualified/utility authorization question" "Fuel autonomy review","","Separate from rating category" "Motor-starting review","","Separate from running-duty suitability" "Scenario covered or unresolved","","Supplier conclusion and responsible reviewer" "Static example","","100kW x4h +50kW x4h =600kWh; /8runningh =75kW; /24calendarh =25kW. Wrong denominator must not replace rating basis." "Use","Manual only; no formulas. Complete each scenario separately. Static numbers do not select a rating/model or authorize operation. Import UTF-8/comma, adjust wrapping and save a native copy.","" "Sources","Original reader tool; retain the named-source conditions.","https://www.cat.com/en_US/by-industry/electric-power/Articles/White-papers/understanding-generator-set-ratings.html | https://ask.ifas.ufl.edu/publication/AE033"