Compare
Portable and standby generators solve the same basic problem — backup power — in very different ways. Portable units are cheaper and flexible; standby units are more expensive but require far less from you during an actual outage.
| Feature | Portable Generator | Standby Generator |
|---|---|---|
| Startup | Manual — you wheel it out, fuel it, and start it | Automatic — starts on its own within seconds of an outage |
| Typical equipment cost | $500–$2,500 | $4,000–$10,500+ (before installation) |
| Fuel | Gasoline (stored, needs refilling) | Natural gas or propane (continuous or tank-stored) |
| Installation | None — plug in directly or via a manual transfer switch | Requires professional installation, permits, and inspection |
| Coverage | Select circuits/appliances via extension cords or a manual switch | Can cover select circuits up to the whole home |
| Works if you're away from home | No — needs to be manually started | Yes — starts automatically whether you're home or not |
Bottom line
Portable generators make sense for occasional, short outages and tighter budgets. Standby generators cost more upfront but remove the need to be present and manually manage power during an outage, which matters more for frequent or extended outages.