On Sale

Solar & Backup Power Products On Sale Save big on solar panels, generators, batteries, inverters, and more at PES Supply's sale section. We regularly offer special pricing on overstock, clearance, and seasonal promotions across all product categories. These deals move fast—once they're gone, they're gone. Shop discounted products from top brands including Canadian Solar, Generac,…

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12694 products

Top Sellers — Market Front-Runners The same Tier-1 lines as the big national players · live PES pricing
Top SellerTrina Solar Vertex N 600W N-Type TOPCon Commercial ModuleTrina Solar Trina Solar Vertex N 600W N-Type TOPCon Commercial Module $158.06 $0.26/W · 600WAvailable to orderLead time confirmed at checkoutTop SellerZNshine 400W ZXM7-SH108-400/M All Black Monocrystalline Solar PanelZNShine ZNshine 400W ZXM7-SH108-400/M All Black Monocrystalline... $136.86 $0.34/W · 400WIn stockShips in 1–2 business daysTop SellerZNShine Solar 405W 108-Cell Solar PanelZNShine ZNShine Solar 405W 108-Cell Solar Panel $147.61 $0.36/W · 405WAvailable to orderLead time confirmed at checkoutLONGi Hi-MO X6 Scientist 600W N-Type TOPCon Bifacial ModuleLONGi LONGi Hi-MO X6 Scientist 600W N-Type TOPCon Bifacial Mo... $161.29 $0.27/W · 600WAvailable to orderLead time confirmed at checkoutJinko Tiger Neo N-Type 600W Bifacial TOPCon Solar PanelJinko Solar Jinko Tiger Neo N-Type 600W Bifacial TOPCon Solar Panel $164.52 $0.27/W · 600WAvailable to orderLead time confirmed at checkoutCanadian Solar HiKu6 395W Mono Solar Panel - CS6R-395MS-HLCanadian Solar Canadian Solar HiKu6 395W Mono Solar Panel - CS6R-395MS-HL $162.00 $0.41/W · 395WAvailable to orderLead time confirmed at checkoutHyundai HiS-S410YH(BK) 410W Bifacial Commercial Solar PanelHyundai Energy Solutions Hyundai HiS-S410YH(BK) 410W Bifacial Commercial Solar P... $167.76 $0.41/W · 410WAvailable to orderLead time confirmed at checkoutTalesun TM7G54M-450 450W Bifacial Solar PanelTalesun Talesun TM7G54M-450 450W Bifacial Solar Panel $185.63 $0.41/W · 450WAvailable to orderLead time confirmed at checkoutAptos Solar DNA-120-BF10-440W 440W Bifacial Solar PanelAptos Aptos Solar DNA-120-BF10-440W 440W Bifacial Solar Panel $185.92 $0.42/W · 440WAvailable to orderLead time confirmed at checkoutJA Solar 545 W Solar Panel – JAM72D30‑545/MB, 144‑cell BifacialJA Solar JA Solar 545 W Solar Panel – JAM72D30‑545/MB, 144‑cell ... $262.79 Available to orderLead time confirmed at checkout
  • Growatt WIT 40K-HU-US L2 40kW 208V 3-Phase Hybrid Inverter with Backup

    Growatt WIT 40K-HU-US L2 40kW 208V 3-Phase Hybrid Inverter with Backup

    Sale
    Growatt
    $11,860.00 USD
    $13,033.00 USD $11,860.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt WIT 35K-HU-US L2 35kW 208V 3-Phase Hybrid Inverter with Backup

    Growatt WIT 35K-HU-US L2 35kW 208V 3-Phase Hybrid Inverter with Backup

    Sale
    Growatt
    $10,939.00 USD
    $12,021.00 USD $10,939.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt WIT 28K-HU-US L2 28kW 208V 3-Phase Hybrid Inverter with Backup

    Growatt WIT 28K-HU-US L2 28kW 208V 3-Phase Hybrid Inverter with Backup

    Sale
    Growatt
    $10,166.00 USD
    $11,171.00 USD $10,166.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPH 18000TL-HU-US 18kW Split-Phase Hybrid Inverter with CTs (WiFi/LAN, Tigo RSD)

    Growatt SPH 18000TL-HU-US 18kW Split-Phase Hybrid Inverter with CTs (WiFi/LAN, Tigo RSD)

    Sale
    Growatt
    $4,386.00 USD
    $4,820.00 USD $4,386.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPH 10000TL-HU-US(B) 10kW Split-Phase Hybrid Inverter with CTs (WiFi/LAN, Tigo RSD)

    Growatt SPH 10000TL-HU-US(B) 10kW Split-Phase Hybrid Inverter with CTs (WiFi/LAN, Tigo RSD)

    Sale
    Growatt
    $2,851.00 USD
    $3,133.00 USD $2,851.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPF 12000T DVM-US MPV 12kW Split-Phase Off-Grid Inverter (WiFi-F)

    Growatt SPF 12000T DVM-US MPV 12kW Split-Phase Off-Grid Inverter (WiFi-F)

    Sale
    Growatt
    $2,350.00 USD
    $2,583.00 USD $2,350.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPE 12000 US 12kW Off-Grid Inverter (WiFi-F, UL)

    Growatt SPE 12000 US 12kW Off-Grid Inverter (WiFi-F, UL)

    Sale
    Growatt
    $1,604.00 USD
    $1,763.00 USD $1,604.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPE 6000 US 6kW Off-Grid Inverter (WiFi-F, UL)

    Growatt SPE 6000 US 6kW Off-Grid Inverter (WiFi-F, UL)

    Sale
    Growatt
    $1,409.00 USD
    $1,548.00 USD $1,409.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt MIN 6000TL-XH-US 6.0kW Hybrid Inverter – Partial Backup (V2, WiFi/4G + 5yr Data, RGM, Tigo RSD)

    Growatt MIN 6000TL-XH-US 6.0kW Hybrid Inverter – Partial Backup (V2, WiFi/4G + 5yr Data, RGM, Tigo RSD)

    Sale
    Growatt
    $1,455.00 USD
    $1,599.00 USD $1,455.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPF 3500TL LVM-US 3.5kW Off-Grid Inverter (WiFi-F, UL)

    Growatt SPF 3500TL LVM-US 3.5kW Off-Grid Inverter (WiFi-F, UL)

    Sale
    Growatt
    $774.00 USD
    $850.00 USD $774.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SPF 3000TL LVM-48P 3kW Off-Grid Inverter (WiFi-F)

    Growatt SPF 3000TL LVM-48P 3kW Off-Grid Inverter (WiFi-F)

    Sale
    Growatt
    $714.00 USD
    $784.00 USD $714.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt SYN 200-XH-US-11A Whole Home Backup ATS – 200A Breaker + Smart Meter

    Growatt SYN 200-XH-US-11A Whole Home Backup ATS – 200A Breaker + Smart Meter

    Sale
    Growatt
    $1,221.00 USD
    $1,662.00 USD $1,221.00 USD
    -27%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt ATS 11400T-US 50A Automatic Transfer Switch (Partial Home Backup)

    Growatt ATS 11400T-US 50A Automatic Transfer Switch (Partial Home Backup)

    Sale
    Growatt
    $636.00 USD
    $699.00 USD $636.00 USD
    -9%
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Growatt INFINITY 2000 Expansion Battery – 2048Wh 51.2V LFP

    Growatt INFINITY 2000 Expansion Battery – 2048Wh 51.2V LFP

    Sale
    Growatt
    $627.00 USD
    $689.00 USD $627.00 USD
    -9%
    $314/kWh
    Available to order
    Ships in 5–10 business days
    SaleIn Stock
  • Enphase IQ8 Microinverter | Portlandia Electric Supply

    Enphase IQ8 IQ8HC-72-M-DOM-US-NFC Microinverter 240V Split-Phase 384VA Max Power US Made Domestic Content

    Sale
    Enphase
    $246.69 USD
    $289.98 USD $246.69 USD
    -15%
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • REC Alpha Pure-RX 470W N-Type HJT Residential Panel

    REC Alpha Pure-RX 470W N-Type HJT Residential Panel

    Sale
    REC
    $206.50 USD
    $224.00 USD $206.50 USD
    -8%
    $0.44/W
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Silfab Elite 440W N-Type TOPCon Residential Solar Panel

    Silfab Elite 440W N-Type TOPCon Residential Solar Panel

    Sale
    Silfab Solar
    $159.30 USD
    $172.80 USD $159.30 USD
    -8%
    $0.36/W
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Xuri Solar XRM650W-66-210

    Xuri Solar XRM650W-66-210

    Xuri Solar
    $113.49 USD
    $0.01 USD $113.49 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • PV Wire X Adapter w/ 3A In-Line Fuse MC4/H4 Comp. FMMM 10AWG

    PV Wire X Adapter w/ 3A In-Line Fuse MC4/H4 Comp. FMMM 10AWG

    Sale
    PV Cables
    $21.38 USD
    $21.60 USD $21.38 USD
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Canadian Solar CS3N-395MS-BLK 395W HiKu Black Solar Panel — front view

    Canadian Solar CS3N-395MS-BLK 395W HiKu Black Solar Panel

    Sale
    Canadian Solar
    $178.14 USD
    $209.58 USD $178.14 USD
    -15%
    $0.45/W
    Legacy Model
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Canadian Solar CS3N-395MS 395W Solar Panel — front view

    Canadian Solar CS3N-395MS 395W Solar Panel

    Sale
    Canadian Solar
    $178.14 USD
    $209.58 USD $178.14 USD
    -15%
    $0.45/W
    Legacy Model
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • G&P Sun Energy Technology GPMDG-540W(144)

    G&P Sun Energy Technology GPMDG-540W(144)

    G&P Sun Energy Technology
    $35.00 USD
    $0.01 USD $35.00 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • G&P Sun Energy Technology GPMDG-550W(144)

    G&P Sun Energy Technology GPMDG-550W(144)

    G&P Sun Energy Technology
    $35.00 USD
    $0.01 USD $35.00 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Solarever 450W SE-182-105-450M-96-BD bifacial full-black solar panel

    Solarever 450

    Solarever
    $78.57 USD
    $0.01 USD $78.57 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power
    $18,139.35 USD
    $16,604.39 USD $18,139.35 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power
    $20,578.72 USD
    $18,837.39 USD $20,578.72 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 29.4kWh (6 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 7.6kW Inverter, 29.4kWh (6 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power
    $23,429.11 USD
    $21,070.39 USD $23,429.11 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 19.6kWh (4 x 4.9kWh Batteries), 200 A Transfer Switch

    Sale
    Fortress Power
    $16,744.00 USD
    $16,995.16 USD $16,744.00 USD
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 24.5kWh (5 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power
    $21,380.70 USD
    $19,228.16 USD $21,380.70 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 29.4kWh (6 x 4.9kWh Batteries), 200 A Transfer…

    Fortress Power Avalon HV Pro ESS with Smart Energy Panel, 11.4kW Inverter, 29.4kWh (6 x 4.9kWh Batteries), 200 A Transfer Switch

    Fortress Power
    $23,444.96 USD
    $21,461.16 USD $23,444.96 USD
    Available to order
    Lead time confirmed at checkout
    In Stock
  • Sunmac 370W Mono PERC Solar Panel with MC4 Connector and PV Wire - SM370-M660NH-BB — front view

    SUNMAC 370W PERC Solar Panel

    Sale
    SUNMAC Solar
    $206.66 USD
    $243.13 USD $206.66 USD
    -15%
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Mission Solar Energy 380W 66 Cell Perc Black/black 1000v Solar Panel. - MSE380SX5R — front view

    Mission Solar 380W 66-Cell Solar Panel

    Sale
    Mission Solar
    $280.79 USD
    $330.34 USD $280.79 USD
    -15%
    $0.74/W
    Legacy Model
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Bluesun - 460W - Bifacial Mono Perc Solar Panel - (36) Pallet Only - BSM460M-72HBD — front view

    Bluesun - 460W - Bifacial Mono Perc Solar Panel - (36) Pallet Only - BSM460M-72HBD

    Sale
    Bluesun Solar
    $5,057.23 USD
    $5,949.68 USD $5,057.23 USD
    -15%
    Pallet pricing
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Bluesun - 415W - Black Mono-Facial Perc Solar Panel - Pallet Only - BSM415M10-54HPH — side angle

    Bluesun - 415W - Black Mono-Facial Perc Solar Panel - Pallet Only - BSM415M10-54HPH

    Sale
    Bluesun Solar
    $8,163.94 USD
    $9,604.64 USD $8,163.94 USD
    -15%
    Pallet pricing
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Solar4America 550W 144 Half Cell Bifacial Perc Monocrystalline SilverFrame w/ MC

    Solar4America 550W 144 Half Cell Bifacial Perc Monocrystalline SilverFrame w/ MC

    Sale
    Solar4America
    $247.78 USD
    $291.50 USD $247.78 USD
    -15%
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • Outback Power FX/GS Replacement Inverter Fan Kit - FX/GS FAN KIT -testing

    Outback Power FX/GS Replacement Inverter Fan Kit - FX/GS FAN KIT -testing

    Sale
    OutBack Power
    $45.26 USD
    $234.00 USD $45.26 USD
    -81%
    Available to order
    Lead time confirmed at checkout
    SaleIn Stock
  • RS13A 13kW Standby Generator 120/240 1Ph NG/LPV

    RS13A 13kW Standby Generator 120/240 1Ph NG/LPV

    Sale
    Cummins
    $4,286.47 USD
    $4,419.04 USD $4,286.47 USD
    -3%
    $330/kW
    Available to order
    Ships in 13-20 weeks by model (ATS ~13 wk, genset ~20 wk)
    SaleIn Stock
  • Cummins RS36 - 36kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A051Y417 — front view

    Cummins RS36 - 36kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A051Y417

    Sale
    Cummins
    $18,775.83 USD
    $19,356.52 USD $18,775.83 USD
    -3%
    $522/kW
    Available to order
    Ships in 13-20 weeks by model (ATS ~13 wk, genset ~20 wk)
    SaleIn Stock
  • Cummins C80D6C - 80kW 120/240V 1 Phase Light Commercial Diesel Standby Generator - A061T469 — front view

    Cummins C80D6C - 80kW 120/240V 1 Phase Light Commercial Diesel Standby Generator - A061T469

    Sale
    Cummins
    $26,625.23 USD
    $27,448.69 USD $26,625.23 USD
    -3%
    $333/kW
    Available to order
    Ships in 13-20 weeks by model (ATS ~13 wk, genset ~20 wk)
    SaleIn Stock
  • Cummins C125D6D - 125kW 120/240V 1 Phase Light Commercial Diesel Standby Generator - A060A344 — front view

    Cummins C125D6D - 125kW 120/240V 1 Phase Light Commercial Diesel Standby Generator - A060A344

    Sale
    Cummins
    $35,879.42 USD
    $36,989.10 USD $35,879.42 USD
    -3%
    $287/kW
    Available to order
    Ships in 13-20 weeks by model (ATS ~13 wk, genset ~20 wk)
    SaleIn Stock
  • Cummins C80D6C - 80kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P969 — front view

    Cummins C80D6C - 80kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P969

    Sale
    Cummins
    $34,652.81 USD
    $35,724.55 USD $34,652.81 USD
    -3%
    $433/kW
    Available to order
    Ships in 13-20 weeks by model (ATS ~13 wk, genset ~20 wk)
    SaleIn Stock
  • Victron Energy 12/5000/220-100/100 120V Quattro Inverter/Charger

    Victron Energy 12/5000/220-100/100 120V Quattro Inverter/Charger

    Sold Out — Call or Email
    Victron Energy
    $2,827.66 USD
    $2,958.99 USD $2,827.66 USD
    -4%
    Out of stock
    Call Now
    Sold Out — Call or Email
  • Victron Energy 24V 3000 VA 120V MultiPlus VE. Bus (UL)

    Victron Energy 24V 3000 VA 120V MultiPlus VE. Bus (UL)

    Sold Out — Call or Email
    Victron Energy
    $1,085.00 USD
    $1,158.99 USD $1,085.00 USD
    -6%
    Out of stock
    Call Now
    Sold Out — Call or Email
  • Victron Energy Phoenix Inverter 12/800 120V VE.Direct | NEMA GFCI

    Victron Energy Phoenix Inverter 12/800 120V VE.Direct | NEMA GFCI

    Sold Out — Call or Email
    Victron Energy
    $242.65 USD
    $258.40 USD $242.65 USD
    -6%
    Out of stock
    Call Now
    Sold Out — Call or Email
  • Victron Energy SmartSolar 150/45 | MPPT Charge Controller

    Victron Energy SmartSolar 150/45 | MPPT Charge Controller

    Sold Out — Call or Email
    Victron Energy
    $215.45 USD
    $229.50 USD $215.45 USD
    -6%
    Out of stock
    Call Now
    Sold Out — Call or Email
  • MAGNUM 2000W 12VDC Pure Sine Inverter Charger Series - MS2012-20BL-U

    MAGNUM 2000W 12VDC Pure Sine Inverter Charger Series - MS2012-20BL-U

    Sold Out — Call or Email
    Magnum Energy
    $1,967.29 USD
    $2,716.56 USD $1,967.29 USD
    -28%
    Out of stock
    Call Now
    Sold Out — Call or Email
  • SW DC Breaker Panel w/ 250a Breaker

    SW DC Breaker Panel w/ 250a Breaker

    Sold Out — Call or Email
    Xantrex
    $422.94 USD
    $528.39 USD $422.94 USD
    -20%
    Out of stock
    Call Now
    Sold Out — Call or Email
  • Mission Solar MSE430SX9Z 430W Mono PERC Solar Panel

    Mission Solar MSE430SX9Z 430W Mono PERC Solar Panel

    Sold Out — Call or Email
    Mission Solar
    $196.81 USD
    $231.54 USD $196.81 USD
    -15%
    $0.46/W
    Legacy Model
    Out of stock
    Call Now
    Sold Out — Call or Email

About On Sale

Solar & Backup Power Products On Sale

Save big on solar panels, generators, batteries, inverters, and more at PES Supply's sale section. We regularly offer special pricing on overstock, clearance, and seasonal promotions across all product categories. These deals move fast—once they're gone, they're gone. Shop discounted products from top brands including Canadian Solar, Generac, EG4, SMA, Sol-Ark, and more.

What's On Sale

  • Solar panels – discounted modules in various wattages
  • Batteries – LiFePO4 and AGM on promotion
  • Inverters – string, hybrid, and microinverters
  • Generators – standby and portable models
  • Accessories – racking, wire, and balance-of-system

Sale products are brand-new, first-quality items with full manufacturer warranties—not returns or seconds. Quantities are limited and prices are only good while supplies last. Don't miss out on significant savings across our entire catalog. Check back often as new deals are added regularly.

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 On Sale models & specs

Looking for something older or hard to find? Browse the Deep Catalog Archive — long-tail models not shown in our main categories.