Tools • Interactive Hub

Generator Sizing Tool

The tools section helps readers move from general education into practical planning. This page is the main entry point for generator sizing and also links outward to solar sizing, runtime estimation, fuel planning, and cost comparison tools.

Use this page first if you want an estimate before moving into category comparisons or detailed planning.

Featured Paths

Off-Grid Solar Sizing Tool

Estimate panel and battery needs.

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Battery Runtime Estimator

Estimate runtime for battery loads.

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Fuel Runtime Planning Tool

Model generator runtime from fuel on hand.

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Solar vs Generator Cost Tool

Compare upfront cost scenarios.

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Quick Answer

The right generator size is usually based on the loads you want to run at the same time, not just the largest number on the box.

Interactive Generator Sizing Tool

This estimator blends square footage with a simple load worksheet so the result is driven by both the house and the equipment you expect to support.

Calculate Estimate