Free Shipping Across the United States.Read our full Shipping Policy here.
Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.
Free Shipping & Tax-Free. Call or Text: 888-332-7989 for Expert Advice & Today's Best Price.
When the power fails, this is the generator you want sitting outside your home.
Not because it looks good on a spec sheet. Because it is built to start the loads that actually matter, keep your house protected, and give you the kind of confidence homeowners are really paying for. The Briggs & Stratton PowerProtect+ 18kW is a major step forward from the previous 18kW line, with 64 engineering and design improvements focused on reliability, performance, longevity, and smarter ownership. This is not just PowerProtect. This is PowerProtect+.
If the old goal was backup power, the new goal is certainty.
Outages are not stressful because a lamp will not turn on. They are stressful because the AC stops, the well pump will not start, the freezer is full, the sump pump matters, and the house can go sideways fast.
That is where the PP18 earns its spot. It delivers a full 18kW on both natural gas and propane, 75 standby amps, and 45kVA of motor starting capability. Backed by a commercial-grade Vanguard engine, it is engineered to start a 5-ton air conditioner and handle demanding startup loads without forcing you to jump into a bigger, more expensive generator just to get the performance you expected in the first place.
This is one of the headline upgrades, and it matters more than it sounds.
PowerProtect+ is the only standby generator line with front-facing exhaust designed to direct exhaust away from your home and landscaping. That means safer airflow, more installation flexibility, less disruption to shrubs and siding, and a cleaner fit on real suburban properties where space is not unlimited. It is a smarter design, plain and simple.
Older standby ownership could feel like guesswork. This one does not.
The PP18 comes with factory-installed EnergyTrak remote monitoring, so you can check generator status anytime and your dealer can remotely troubleshoot, diagnose, and support the unit when needed. That is a big upgrade over older setups where monitoring was not as integrated. It is more visibility, faster support, and more peace of mind in one package.
Backup power is only useful if the generator is ready when the weather gets ugly.
PowerProtect+ was redesigned with a better enclosure, fixed louvers, enclosed electrical components, and improved protection from moisture, dust, chemicals, and vibration. Briggs & Stratton also highlights upgrades to the AVR, connections, wire harness, engine cooling, starter system, and monitoring. In other words, this line was not lightly refreshed. It was reworked to be tougher, more durable, and more dependable over the long haul.
Nobody wants a standby generator that becomes the loudest part of the week.
The PP18 uses Eco-Cise weekly test mode, a short 16-second exercise cycle that helps keep the generator ready while reducing noise and fuel consumption. The unit is rated at 62 dB(A) in low idle mode and 66 dB(A) during normal operation, helping it feel more refined in everyday ownership.
A lot of warranties sound fine until service is needed.
PowerProtect+ comes with a 7-year comprehensive limited warranty that covers parts, labor, and travel. Briggs & Stratton positions it as the longest and most comprehensive standard warranty in the industry, and that is a real selling point for homeowners who want backup power without wondering what the next repair call is going to cost.
The PP18 is a smart fit for homeowners who want real automatic backup power without overspending on more generator than they need. It is especially compelling for homes that need strong starting performance for AC systems, well pumps, and other heavy household loads, while still wanting easier placement, quieter testing, remote monitoring, and long-term warranty confidence.
Full 18kW on both fuels
18kW on natural gas and 18kW on propane, with no disappointing drop-off when you choose NG.
Serious starting muscle
45kVA of motor starting capability and engineered to start a 5-ton air conditioner.
Commercial-grade Vanguard engine
Built for reliable continuous performance from Briggs & Stratton’s engine experts.
Factory-installed EnergyTrak
24/7 remote monitoring, app visibility, dealer diagnostics, and firmware updates.
Exclusive front-facing exhaust
A safer, smarter design that directs exhaust away from the house.
Enhanced weather protection
Improved enclosure design with better protection from moisture, dust, vibration, and harsh conditions.
7-year comprehensive warranty
Parts, labor, and travel included.
Model: PP18
Standby Power: 18kW LP / 18kW NG
Standby Amps: 75A LP / 75A NG
Voltage: 120/240V
Breaker: 80A
Engine: Vanguard, 993cc
Motor Starting Capability: 45kVA
Low Idle Sound Level: 62 dB(A)
Normal Operating Sound: 66 dB(A)
Fuel Type: Natural Gas or Propane Vapor
Dimensions: 46 x 27 x 28 in.
Weight: 490 lbs.
Wind Rating: 186 mph
Installation Clearance: NFPA 37 listed for 18-inch installation clearance from the house
Warranty: 7-Year Comprehensive Limited Warranty
The Briggs & Stratton PowerProtect+ 18kW is a real upgrade in every way that matters. Better starting power. Better monitoring. Better enclosure design. Better install flexibility. Better long-term confidence.
For homeowners who are done gambling on the grid and want backup power that feels smarter, stronger, and more complete than the previous generation, the PP18 delivers exactly what the name promises: PowerProtect+.
Manuals:
Product Video
Energy Systems Central is an authorized dealer of BAS Energy Systems.
Free Shipping Across the United States.Read our full Shipping Policy here.
Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.
Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.
Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.
Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.
We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.
Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.
Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.
Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.
No products were added to the Wishlist
No products were added to the compare