The generator reference.
Understand the equipment. Learn the fundamentals.
Find the connections between them.
Start with the fundamentals
A useful first pathGenerator types
How portable, standby and inverter generators are classified, and why the categories overlap.
ElectricalWatts, volts, and amps
The difference between power, voltage and current, with correct DC and single-phase AC formulas.
Generator sizingGenerator sizing fundamentals
The main inputs for sizing a generator: simultaneous loads, starting events, kW, kVA, fuel ratings, and site conditions.
Browse the encyclopedia
All topicsGenerator types
4 entriesElectrical
5 entriesGenerator sizing
5 entriesFuels
5 entriesTransfer equipment
2 entriesInstallation
3 entriesMaintenance
1 entryTroubleshooting
1 entrySafety
1 entryManufacturers
2 entriesComponents
1 entryAbout this reference
Generators.wiki is an owned reference publication that explains generator terminology, equipment, and operating principles. Entries cite manufacturer documentation and public safety sources. Ratings and installation requirements depend on the specific equipment and location.
Generators Wiki and Backup Generator Guide share ownership. Selected entries link to its practical planning tools and longer buying or installation guides; these resources serve a separate purpose from numbered technical references. Read about the publication, our editorial policy, and our source approach, or report a correction.