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Never lose power again. The Generac Next-Gen 18kW Standby Generator (Model G0072590) delivers next-generation protection for your home, automatically restoring electricity within seconds of an outage. Powered by natural gas or liquid propane, this generator is engineered for fuel efficiency, lower emissions, and dependable performance—even in harsh weather.
Stay connected with built-in cellular monitoring and the Mobile Link™ app, giving you real-time updates and maintenance alerts whether you’re home or away. With best-in-class service intervals, advanced cold-start capability, and oil level sensors, you’ll spend less time worrying about upkeep and more time enjoying uninterrupted comfort.
Backed by Generac’s 5-year limited warranty, U.S.-engineered G-Force engine technology, and a 24/7/365 support team, this 18kW standby generator provides peace of mind you can count on year after year.
Key Benefits:
The air-cooled system keeps the generator running smoothly in extreme temperatures. It requires less maintenance and provides dependable backup power during winter, summer, or storms, ensuring your home or off-grid setup stays powered.
Built-in cellular technology allows you to monitor and control your generator from anywhere. You receive real-time updates and alerts on your phone, giving you peace of mind and fast help if needed, whether you're home or away.
Manage your generator effortlessly using your phone via Bluetooth and WiFi. Start, stop, and check performance without complicated wiring. This makes maintenance simple and helps ensure your generator is always ready when needed.
Electronic fuel control optimizes fuel use, reducing expenses and emissions. This ensures your generator runs efficiently for longer periods, offering great value and a greener energy option with lower operating costs.
The generator starts reliably in cold weather thanks to special cold start features. Its protective design prevents snow and ice from causing issues, making it perfect for winter storms and cold climates, so your power remains steady.
This versatile generator provides backup power for homes, keeps RVs running smoothly, and supports off-grid life. It is designed to meet the energy needs of different environments, wherever your adventures or needs take you.
With extended service intervals and simple upkeep, this generator offers long-term reliability. It saves you time and money on repairs, so you can focus on enjoying your home and outdoor activities or running your mobile business.
Generac provides a 5-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
Generac Next-Gen 18kW Home Standby Generator Specifications |
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|---|---|
| Rated Maximum Continuous Power Capacity (LP) | 18 kW* |
| Rated Maximum Continuous Power Capacity (NG) | 17 kW* |
| Rated Voltage | 240 |
| Rated Maximum Continuous Load Current – 240V (LP / NG) | 75 / 71 |
| Total Harmonic Distortion | Less than 5% |
| Main Line Circuit Breaker | 80 Amp |
| Phase | 1 |
| Number of Rotor Poles | 2 |
| Rated AC Frequency | 60 Hz |
| Power Factor | 1.0 |
| Battery Requirement (not included) | 12V, AGM Powersport Battery Group BTX20L, 310 CCA minimum |
| Unit Weight (lb / kg) | 426 lb / 193 kg |
| Dimensions (L × W × H) (in / cm) | 46.4 × 26.3 × 30.7 in / 117.9 × 66.8 × 77.9 cm |
| Sound Output at 23 ft (7 m) – Normal Load | 65 dB(A) |
| Sound Output at 23 ft (7 m) – Quiet-Test™ Mode | 55 dB(A) |
| Exercise Duration | Adjustable 5–20 min (5 min factory default) |
Fuel Consumption
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|||
|---|---|---|---|
| Fuel Type | Load | ft³/hr (m³/hr) | gal/hr [L/hr] |
| Natural Gas | 1/2 Load | 189 (5.35) | – |
| Full Load | 243 (6.89) | – | |
| Liquid Propane | 1/2 Load | 63 (1.76) | 1.76 gal/hr [6.66 L/hr] |
| Full Load | 106 (2.92) | 2.92 gal/hr [11.03 L/hr] | |
| Alternative LP Data | 1/2 Load | 60 (1.65) | 1.65 gal/hr [6.26 L/hr] |
| Full Load | 105 (2.87) | 2.87 gal/hr [10.87 L/hr] | |
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Shipping times vary depending on your location and the product or products ordered.
Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.
After order processing is complete, you will receive tracking information to monitor your order while it is in transit.
Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.
Please refer to the product page for your item and reference the estimated delivery time frame for more details.
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