15 products
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Top Rated
SKU: GEN-7324-G0073240Vendor:GeneracRegular price $6,639.00 USDRegular priceUnit price per -
SKU: USSSP202-195Vendor:Sol-ArkRegular price $6,088.40 USDRegular priceUnit price per
$6,119.00 USDSale price $6,088.40 USDSold out -
SKU: USSSP202-822Vendor:SigenergyRegular price $8,794.81 USDRegular priceUnit price per
$8,839.00 USDSale price $8,794.81 USDSold out -
SKU: PES-GAP-eg4-flexboss18-13kw-Vendor:EG4Regular price $2,522.00 USDRegular priceUnit price per
$3,499.00 USDSale price $2,522.00 USDSale -
Top Rated
SKU: PES-GAP-16kwh-battery-solar-Vendor:Sol-ArkRegular price $9,500.00 USDRegular priceUnit price per$9,998.70 USDSale price $9,500.00 USDSale -
Top RatedSKU: PES-PS-GEN-0359Vendor:GeneracRegular price $5,599.00 USDRegular priceUnit price per
$6,718.80 USDSale price $5,599.00 USDSold out -
Top RatedSKU: PES-PS-GEN-0366Vendor:GeneracRegular price $6,639.00 USDRegular priceUnit price per
$7,966.80 USDSale price $6,639.00 USDSold out -
SKU: PES-PS-GEN-0495Vendor:PES GlobalRegular price $29.99 USDRegular priceUnit price per
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Top RatedSKU: PES-PS-GEN-0366-PES-7557280628870Vendor:GeneracRegular price $6,639.00 USDRegular priceUnit price per
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Top RatedSKU: PES-PS-GEN-0359-PES-7557280333958Vendor:GeneracRegular price $5,599.00 USDRegular priceUnit price per
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Top Rated
SKU: PES-SPS-SOL-2224Vendor:ENF SolarRegular price $5,986.82 USDRegular priceUnit price per -
SKU: PES-PA-ELC-1678MPN NOVendor:GeneracRegular price $29.99 USDRegular priceUnit price per
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Top Rated
SKU: PES-PS-GEN-0032MPN NOVendor:GeneracRegular price $8,062.99 USDRegular priceUnit price per -
Top Rated
SKU: PES-PS-GEN-0029MPN NOVendor:GeneracRegular price $5,173.01 USDRegular priceUnit price per -
Top Rated
SKU: PES-PS-GEN-0003MPN NOVendor:Briggs & StrattonRegular price $6,175.72 USDRegular priceUnit price per$5,375.00 USDSale price $6,175.72 USD
18kW Generators for Reliable Backup Power
Shop 18kW generators at PES Supply for automatic backup power that keeps your home or business running during outages. 18 kilowatt standby generators provide substantial capacity for residential standby power. Browse units from Generac, Kohler, Briggs & Stratton, Cummins, and other top brands.
18kW 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 typically covers essential circuits or whole-home backup for average-sized homes. A 18kW 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.