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Standby Generator Sizing Calulator

Single Phase Commercial Standby Generators

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Model Number RG03224ANAX-SD is a Hot Seller
Learn More About RG03224ANAX-SD
Generac Protector
Generac Protector QS® 32kW Automatic Standby Generator (Premium-Grade)(120/240V Single-Phase) (Scratch & Dent)
Model: RG03224ANAX-SD
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Scratch & Dent
$11,167.00
Was 
$11,567.00
SAVE $400.00
Only 1 In-Stock
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Model Number RD04834ADAE-SD is a Hot Seller
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Generac Protector
Generac Protector® 48kW Automatic Standby Diesel Generator (120/240V-Single Phase) (Scratch & Dent)
Model: RD04834ADAE-SD
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Scratch & Dent
$16,299.00
Was 
$16,499.00
SAVE $200.00
Only 1 In-Stock
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Model Number RG03015ANAX is the Number 1 Seller
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Generac Protector
Generac Protector® 30kW Automatic Standby Generator (Aluminum)(120/240V Single-Phase)
Model: RG03015ANAX
13% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Q&A (1)
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/28
$9,307.15
Was 
$9,797.00
SAVE $489.85
Only 3 In-Stock
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Model Number RG04854ANAX is the Number 2 Seller
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Generac Protector
Model RG04854ANAX is a Recommended Product
Generac Protector QS® 48kW Automatic Standby Generator (Premium-Grade)(120/240V Single-Phase)
Model: RG04854ANAX
11% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(6)
Q&A (1)
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$14,697.00
Was 
$14,797.00
SAVE $100.00
Only 5 In-Stock
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Model Number RG02724ANAX is the Number 3 Seller
Learn More About RG02724ANAX
Generac Protector
Generac Protector QS® 27kW Automatic Standby Generator (Premium-Grade)(120/240V Single-Phase)
Model: RG02724ANAX
11% Buy This
4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5(4)
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$10,697.00
Was 
$10,797.00
SAVE $100.00
Only 5 In-Stock
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Model Number 30RCL is the Number 4 Seller
Learn More About 30RCL
Kohler
Kohler 30RCL - 30kW Emergency Standby Power Generator (120/240V Single-Phase)
Model: 30RCL
11% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/26
$10,699.20
Was 
$11,888.00
SAVE $1,188.80
Factory-Direct
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Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Model Number RG02515ANAX is the Number 5 Seller
Learn More About RG02515ANAX
Generac Protector
Generac Protector® 25kW Automatic Standby Generator (Aluminum)(120/240V Single-Phase)
Model: RG02515ANAX
11% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Q&A (1)
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/28
$8,357.15
Was 
$8,797.00
SAVE $439.85
Factory-Direct
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Model Number 76180 is a Featured Product
Learn More About 76180
Briggs & Stratton
Model 76180 is a Recommended Product
Briggs & Stratton 76180 - 25 kW Liquid Cooled Standby Generator (Steel) (120/240V Single-Phase)
Model: 76180
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
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$10,499.00
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2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About RG03224ANAX
Generac Protector
Generac Protector QS® 32kW Automatic Standby Generator (Premium-Grade)(120/240V Single-Phase)
Model: RG03224ANAX
8% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(5)
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$11,567.00
Was 
$11,667.00
SAVE $100.00
Only 3 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About RG03624ANAX
Generac Protector
Generac Protector® 36kW Automatic Standby Generator (Aluminum)(120/240V Single-Phase)
Model: RG03624ANAX
8% Buy This
4.5 out of 54.5 out of 54.5 out of 54.5 out of 54.5 out of 5(4)
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/28
$10,732.15
Was 
$11,297.00
SAVE $564.85
Only 1 In-Stock
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2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About 48RCLB
Kohler
Kohler 48RCLB - 48 kW Emergency Standby Power Generator (120/240V Single-Phase)
Model: 48RCLB
8% Buy This
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On Sale Ends 06/26
$15,158.70
Was 
$16,843.00
SAVE $1,684.30
Factory-Direct
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2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About RS30
Cummins Power Generation
Model RS30 is a Recommended Product
Cummins RS30 Quiet Connect™ Series 30kW Standby Power Generator (120/240V Single-Phase)
Model: RS30
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(4)
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$11,109.00
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2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About 38RCLB
Kohler
Model 38RCLB is a Recommended Product
Kohler 38RCLB - 38kW Emergency Standby Power Generator (120/240V Single-Phase)
Model: 38RCLB
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/26
$12,840.30
Was 
$14,267.00
SAVE $1,426.70
Only 2 In-Stock
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2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About A058T799
Cummins Power Generation
Cummins RS125 Quiet Connect™ Series 125kW Standby Power Generator (120/240V Single-Phase) (NG)
Model: A058T799
3% Buy This
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$27,764.00
Factory-Direct
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2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About EGD-24RCLRXT200ASE-KIT
Kohler
Kohler 24RCL - 24kW Emergency Standby Power Generator System (200A Service Disc. ATS w/ Load Shedding)
Model: EGD-24RCLRXT200ASE-KIT
3% Buy This
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/26
$10,491.70
Was 
$11,576.00
SAVE $1,084.30
Only 4 In-Stock
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About EGD-48RCLBRXT200ASE-KIT
Kohler
Kohler 48RCLB - 48kW Emergency Standby Power Generator Bundle (200A Service Disc. ATS w/ Load Shedding)
Model: EGD-48RCLBRXT200ASE-KIT
3% Buy This
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/26
$15,969.39
Was 
$17,653.69
SAVE $1,684.30
Factory-Direct
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About RG04524ANAX
Generac Protector
Generac Protector® 45kW Automatic Standby Generator (Aluminum)(120/240V Single-Phase)
Model: RG04524ANAX
3% Buy This
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$12,937.00
Was 
$13,037.00
SAVE $100.00
Only 4 In-Stock
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About RG06024ANAX
Generac Protector
Generac Protector® 60kW Automatic Standby Generator (Aluminum)(120/240V Single-Phase)(NG)
Model: RG06024ANAX
3% Buy This
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View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$16,287.00
Was 
$16,387.00
SAVE $100.00
Factory-Direct
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Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
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Learn More About RS22
Cummins Power Generation
Cummins RS22 Quiet Connect™ Series 22kW Standby Power Generator (120/240V Single-Phase)
Model: RS22
3% Buy This
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Ask a Question
$8,914.00
Factory-Direct
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Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 24RCL
Kohler
Model 24RCL is a Recommended Product
Kohler 24RCL- 24kW Emergency Standby Power Generator (120/240V Single-Phase)
Model: 24RCL
4.6 out of 54.6 out of 54.6 out of 54.6 out of 54.6 out of 5(7)
Q&A (1)
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/26
$9,758.70
Was 
$10,843.00
SAVE $1,084.30
Only 4 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About RG02224ANAX
Generac Protector
Generac Protector QS® 22kW Automatic Standby Generator (Premium-Grade)(120/240V Single-Phase)
Model: RG02224ANAX
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5(3)
Q&A (1)
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/28
$8,547.15
Was 
$8,997.00
SAVE $449.85
Only 5 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About RG03824ANAX
Generac Protector
Generac Protector QS® 38kW Automatic Standby Generator (Premium-Grade)(120/240V Single-Phase)
Model: RG03824ANAX
3.0 out of 53.0 out of 53.0 out of 53.0 out of 53.0 out of 5(2)
Ask a Question
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$12,637.00
Was 
$12,737.00
SAVE $100.00
Only 4 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About RG06024AVAX
Generac Protector
Generac Protector® 60kW Automatic Standby Generator (Aluminum)(120/240V Single-Phase)(LP)
Model: RG06024AVAX
4.0 out of 54.0 out of 54.0 out of 54.0 out of 54.0 out of 5(1)
Q&A (1)
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/25
$16,287.00
Was 
$16,387.00
SAVE $100.00
Only 4 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 38RCLB-RXT200-KIT
Kohler
Kohler 38RCLB - 38kW Emergency Standby Power Generator Bundle (200A Standard ATS w/ Load Shedding)
Model: 38RCLB-RXT200-KIT
Write a Review
Ask a Question
View All Single Phase Commercial Standby Generators on Sale
On Sale Ends 06/26
$14,116.00
Was 
$15,542.70
SAVE $1,426.70
Only 2 In-Stock
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart

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