Generator Sizing Calculator

Estimate generator apparent power size using running load, surge margin, and power factor.

20 kW running load =

29.41 kVA

Representative value from the Generator Sizing Calculator reference table.

Predefined Value Pages

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Generator Sizing Calculator

Plan generator apparent power rating from expected load profile.

Recommended Generator Size

Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Generator Sizing Calculator Reference
Load BasisRecommended Size
2 kW running load2.94 kVA
3 kW running load4.41 kVA
5 kW running load7.35 kVA
7.5 kW running load11.03 kVA
10 kW running load14.71 kVA
15 kW running load22.06 kVA
20 kW running load29.41 kVA
25 kW running load36.76 kVA
30 kW running load44.12 kVA
50 kW running load73.53 kVA
75 kW running load110.29 kVA
100 kW running load147.06 kVA