Best Dual Fuel Generators for Solar and Propane Power Backups
When you need reliable backup power that works with propane or gasoline, dual fuel generators are a practical solution. This guide highlights five top dual fuel and solar-capability options that balance power, safety, and flexibility for homes, job sites, RVs, and off-grid camping. The featured models cater to emergency backup, whole-home readiness, and portable convenience, with options that suit different fuel availability and run-time needs. Use this comparison to pick the right generator for your specific backup scenario.
Overview at a glance:
| Product | Best For | Power (Gas/Propane) | Fuel Type | Key Benefit |
|---|---|---|---|---|
| DuroStar DS13000MX | Whole-home backup | 13,000W / — | Gas or Propane | CO alert for safety |
| DuroMax XP13000EH | Heavy-duty emergencies | 13,000W / — | Gas or Propane | Renowned dual-fuel versatility |
| Westinghouse 13500 Peak | Long runtime off-grid | 13,500 peak / 10,500 running | Gas or Propane | Remote start and multiple outlets |
| OUPES 2000W Solar Generator | Portable solar/off-grid | 2,000W / 4,500W surge | Solar with optional expansions | Fast solar charging and expandability |
| WEN DF680iX | RV-ready and vehicle use | 6,800W / 5,100W | Gas or Propane | Bonded-neutral 240V for EV charging |
DuroStar DS13000MX 13kW Dual Fuel Generator
The DS13000MX provides 13,000 watts of reliable power with dual-fuel capability and a heavy-duty build. Best for homeowners and remote job sites needing strong backup power, it supports both gasoline and propane for fuel flexibility. An integrated CO Alert adds safety, automatically shutting down to protect occupants in dangerous conditions. This model is well suited for whole-home power backup or RV use, with a design that prioritizes durability in outages. A potential limitation is its size and weight, which may affect portability for casual camping.
DuroMax XP13000EH 13kW Dual Fuel
The XP13000EH merges massive output with proven dual-fuel technology, ideal for large homes or project sites requiring sustained power. Dual fuel capability ensures you can switch between gas and propane to extend run times and adapt to fuel availability. It is designed for long-term use with a focus on power delivery and reliability. A caution: its size and weight may limit effortless transport to remote locations, and setup may require a dedicated transfer switch for full-home transfer.
Westinghouse 13500 Peak / 10500 Running Dual Fuel
This Westinghouse model delivers up to 13,500 peak watts and 10,500 running watts on gas, with propane performance at a lower running wattage but strong peak. Remote electric start adds convenience, and the unit includes transfer-switch-ready outlets to simplify whole-home backup. It features a durable 500cc engine and multiple outlet configurations to support household and RV needs. The caution here is that peak watt ratings reflect surge capacity, which is not sustained; plan for the running watts when sizing for appliances.
OUPES 2000W Solar Generator With Panels
This solar-capable generator offers 2,000W continuous AC output with a 4,500W surge, making it a strong portable option for camping, road trips, and home backup in sunny conditions. The system starts at 1,024Wh and can expand to 5,120Wh with additional batteries, supporting extended off-grid living. It features fast charging from AC, reducing downtime. A limitation is that its base capacity may be insufficient for high-energy appliances for extended outages unless expanded.
Westinghouse 12500 Dual Fuel Backup Power
This Westinghouse model delivers reliable dual-fuel power with 9,500 running watts on gas and 8,500 running watts on propane, plus 12,500 peak watts. Remote start and a 6.6-gallon fuel tank with a fuel gauge support practical run times for home backup. It includes multiple outlets and a transfer switch-ready configuration for easier installation. A limitation: propane performance typically delivers lower running watts than gas, so fuel planning is essential for high-load events.
Buying Guide: How To Choose The Right Dual Fuel Or Solar Generator
What matters most for your backup plan? Here are practical considerations to guide your decision.
- Power needs: List essential appliances and their wattage. If you want whole-home backup, prioritize higher running watts and adequate peak watts to handle startup surges.
- Fuel flexibility: Dual fuel models offer gasoline or propane. Consider fuel availability, storage, and run-time expectations in your area.
- Safety features: Look for CO shutdown, automatic low-oil, and ground fault protection. Remote start adds convenience for frequent use.
- Portability vs. capacity: Heavier models deliver more power but are harder to move. For RVs or job sites, balance weight, wheels, and handle design.
- Outlets and transfer readiness: Ensure the unit has transfer-switch-ready configurations and the right outlets (NEMA 5-20, 14-50, etc.) for your setup.
- Solar integration: If solar charging or solar expansion matters, consider units with expandable battery packs or solar-ready ports and look at expansion options.
Frequently Asked Questions
- What is the difference between peak watts and running watts?
Peak watts indicate surge capacity for starting appliances; running watts are the continuous power available during steady use.
- Should I choose a dual-fuel generator over a solar generator?
Dual-fuel models excel in high-load, weather-remote scenarios where refueling options exist; solar generators suit quiet operation and off-grid use with limited continuous load.
- Is remote electric start reliable for backup power?
Remote start adds convenience, especially for frequent outages, but ensure the model supports stable ignition and has a robust electrical system.
- How important is a transfer switch?
Transfer switches simplify safe, fast switching from grid to generator during outages and protect circuits from backfeeding.
- Can these generators power essential home loads with propane?
Yes, many models provide substantial running watts on propane, but plan according to the critical-load profile to avoid overloading during outages.
Choosing the right generator depends on your anticipated load, fuel access, and whether you need solar compatibility or primarily propane/gas flexibility. The models above offer a range of capabilities to fit different backup power goals—from full-home backup to portable solar-ready power and RV use. Use the buying guide to align your choice with practical needs and safety considerations.