48kW Generators for Reliable Backup Power Shop 48kW generators at PES Supply for automatic backup power that keeps your home or business running during outages. 48 kilowatt standby generators provide substantial capacity for commercial and whole-home standby power. Browse units from Generac, Kohler, Briggs & Stratton, Cummins, and other top brands. 48kW Generator Features Automatic…
10 products
Trina Solar
Trina Solar Vertex N 600W N-Type TOPCon Commercial Module
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ZNShine
ZNshine 400W ZXM7-SH108-400/M All Black Monocrystalline...
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$0.34/W · 400WIn stockShips in 1–2 business daysTop Seller
ZNShine
ZNShine Solar 405W 108-Cell Solar Panel
$147.61
$0.36/W · 405WAvailable to orderLead time confirmed at checkout
LONGi
LONGi Hi-MO X6 Scientist 600W N-Type TOPCon Bifacial Mo...
$161.29
$0.27/W · 600WAvailable to orderLead time confirmed at checkout
Jinko Solar
Jinko Tiger Neo N-Type 600W Bifacial TOPCon Solar Panel
$164.52
$0.27/W · 600WAvailable to orderLead time confirmed at checkout
Canadian Solar
Canadian Solar HiKu6 395W Mono Solar Panel - CS6R-395MS-HL
$162.00
$0.41/W · 395WAvailable to orderLead time confirmed at checkout
Hyundai Energy Solutions
Hyundai HiS-S410YH(BK) 410W Bifacial Commercial Solar P...
$167.76
$0.41/W · 410WAvailable to orderLead time confirmed at checkout
Talesun
Talesun TM7G54M-450 450W Bifacial Solar Panel
$185.63
$0.41/W · 450WAvailable to orderLead time confirmed at checkout
Aptos
Aptos Solar DNA-120-BF10-440W 440W Bifacial Solar Panel
$185.92
$0.42/W · 440WAvailable to orderLead time confirmed at checkout
JA Solar
JA Solar 545 W Solar Panel – JAM72D30‑545/MB, 144‑cell ...
$262.79
Available to orderLead time confirmed at checkout-
Vendor:GeneracRegular price $21,245.75 USDRegular priceUnit price per
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Vendor:KohlerRegular price $25,485.13 USDRegular priceUnit price per
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Vendor:KohlerRegular price $25,485.13 USDRegular priceUnit price per
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Vendor:KohlerRegular price $25,285.63 USDRegular priceUnit price per
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Vendor:KohlerRegular price $19,331.55 USDRegular priceUnit price per
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Vendor:KohlerRegular price $25,485.13 USDRegular priceUnit price per
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Vendor:GeneracRegular price $21,744.50 USDRegular priceUnit price per
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Sold Out — Call or EmailVendor:GeneracRegular price $17,214.00 USDRegular priceUnit price per$17,217.00 USDSale price $17,214.00 USD$359/kWOut of stockSold Out — Call or Email -
Sold Out — Call or EmailVendor:GeneracRegular price $18,650.25 USDRegular priceUnit price per$18,697.00 USDSale price $18,650.25 USD$389/kWOut of stockSold Out — Call or Email -
Sold Out — Call or EmailVendor:GeneracRegular price $17,214.00 USDRegular priceUnit price per$17,217.00 USDSale price $17,214.00 USD$359/kWOut of stockSold Out — Call or Email
About 48kW Generators
48kW Generators for Reliable Backup Power
Shop 48kW generators at PES Supply for automatic backup power that keeps your home or business running during outages. 48 kilowatt standby generators provide substantial capacity for commercial and whole-home standby power. Browse units from Generac, Kohler, Briggs & Stratton, Cummins, and other top brands.
48kW Generator Features
- Automatic startup within seconds of an outage
- Natural gas or propane fuel options
- Air-cooled or liquid-cooled depending on size
- ATS-compatible for seamless transfer
- Quiet operation with sound-attenuated enclosures
- Wi-Fi monitoring on select models
This size is suitable for large homes with central AC, or commercial facilities requiring 48kW of continuous backup power. A 48kW unit runs on your home's existing gas supply, so there's no fuel storage or refueling. Professional installation with a transfer switch provides fully automatic, hands-off backup power for years of reliable service.
Browse the full selection below and order today with fast shipping from PES Supply. Questions? Our solar and backup power experts are ready to help you spec the right system—contact us.
Popular 48kW Generators models & specs
- Briggs and Stratton 35-48kW Maintenance Kit, 4.3L Engine - 6514
- Generac Maintenance Kit, 4.5L; 48kW - 7991
- Generac Maintenance Kit, 4.2L; 48kW - 5658
- Generac Extreme Cold Weather Kit for 5.4L; 48kW - 7088
- Generac Extreme Cold Weather Kit for 4.5L; 48kW - 7990
- Generac Extreme Cold Weather Kit for 4.2L; 48kW - 5618
- Generac Protector 48kW 3-Phase 120/208V Liquid-Cooled Gas Generator – RG04854GNAX
- Kohler 48RCLB 48kW 3-Phase 120/208V Standby Generator – 4P7BX Alternator - 48RCLB-QS6
- Kohler 48RCLB 48kW 3-Phase 480V Standby Generator – UL/CSA - 48RCLC-QS4
- Kohler 48RCLB 48kW 1-Phase 240V Standby Generator – UL/CSA, Blk Heater - 48RCLC-QS50
- Kohler 48RCLB 48kW 3-Phase 120/240V Standby Generator – 4P7BX Alternator - 48RCLB-QS7
- Generac Protector 48kW 3-Phase 120/208V Liquid-Cooled Gas Generator – Catalyst - RG04845GNAC — full specifications & datasheet
- Generac Extreme Cold Weather Kit for 4.2L; 48kW
- Generac Extreme Cold Weather Kit for 4.5L; 48kW
- Generac Extreme Cold Weather Kit for 5.4L; 48kW
- Generac Maintenance Kit, 4.2L; 48kW
- Generac Maintenance Kit, 4.5L; 48kW
- Generac Maintenance Kit, 5.4L; 48kW