30kW Generators

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Solar Panels

Inverters

Storage solutions

Charge controllers

Solar Equipment

Racking

Accessories

68 products

  • Top Rated
    Kohler 30RCL/30RCLA 30 kW with block heater

    Kohler 30RCL 30kW 1-Phase 240V Standby Generator – UL/CSA, Blk Heater - 30RCLA-QS50

    SKU: PES-PS-GEN-0304
    MPN NO

    30RCLA-QS50

    Kohler
    $20,146.00 USD
    $20,146.00 USD
  • Top Rated
    Generac 30kW D2.2L G22 TA 1-Phase 120/240V Standby Generator – 50 Gallon Tank - RA03022ADAE

    Generac 30kW D2.2L G22 TA 1-Phase 120/240V Standby Generator – 50 Gallon Tank - RA03022ADAE

    SKU: PES-PS-GEN-0293
    MPN NO

    RA03022ADAE

    Generac
    $23,730.95 USD
    $23,730.95 USD
  • Top Rated
    Generac RA03022ADAL 30 kW diesel generator

    Generac 30kW D2.2L G22 TA 1-Phase 120/240V Standby Generator – 130 Gallon Tank - RA03022ADAL

    SKU: PES-PS-GEN-0292
    MPN NO

    RA03022ADAL

    Generac
    $24,865.45 USD
    $24,865.45 USD
  • Top Rated
    PLP Car Port 41.4kW (10 Car)

    Sonnen ecoLinx Home Automation based Smart Energy Storage System - 30kWh Energy Capacity

    SKU: PES-ESS-AIO-0025
    MPN NO

    ecolinx 30 Gen 1.5

    Sonnen
    $85,697.51 USD
    $85,697.51 USD
  • Top Rated
    MegaRevo MPS0030 Hybrid Inverter - 208V | Portlandia Electric Supply

    MegaRevo 30kW 3Phase 208V MPS Microgrid Hybrid Inverter - MPS0030

    SKU: PES-SPS-SIV-0716
    MPN NO

    MPS0030

    MegaRevo
    $19,929.70 USD
    $19,929.70 USD
  • Top Rated
    ATESS US standard 630KW battery inverter (without tranformer) - ATESS PCS630-US-480 | Portlandia Electric Supply

    ATESS US standard 630KW battery inverter (without transformer) - ATESS PCS630-US-480

    SKU: PES-SPS-SIV-0659
    MPN NO

    ATESS PCS630-US-480

    ATESS
    $59,995.00 USD
    $59,995.00 USD
  • Top Rated
    ATESS US standard 30KW hybrid inverter (without tranformer) - ATESS HPS30000TL-US-208 | Portlandia Electric Supply

    ATESS US standard 30KW hybrid inverter (without transformer) - ATESS HPS30000TL-US-208

    SKU: PES-SPS-SIV-0647
    MPN NO

    ATESS HPS30000TL-US-208

    ATESS
    $6,177.00 USD
    $6,177.00 USD
  • Top Rated
    Briggs & Stratton LC- Generators Accessories 30kW | Portlandia Electric Supply

    Briggs and Stratton Calibration/Flash Box for 30kW LC- Plugs into ECU to upload most recent calibration files - 6909

    SKU: PES-PS-GEN-0194
    MPN NO

    6909

    Briggs & Stratton
    $1,130.06 USD
    $1,130.06 USD
  • Top Rated
    Briggs & Stratton LC- Generators Accessories 30kW | Portlandia Electric Supply

    Briggs and Stratton Diagnostic Cable for 30kW LC- Plugs into ECU from laptop to view engine fault codes - 6908

    SKU: PES-PS-GEN-0193
    MPN NO

    6908

    Briggs & Stratton
    $344.13 USD
    $344.13 USD
  • Top Rated
    Briggs & Stratton Generators Accessories 20kW | Portlandia Electric Supply

    Briggs and Stratton Basic Wireless Monitor - 15-20kW Only and 25-30kW with B&S Controller - 6276

    SKU: PES-PS-GEN-0174
    MPN NO

    6276

    Briggs & Stratton
    $230.70 USD
    $230.70 USD
  • Top Rated
    Briggs & Stratton RPM Generators Accessories 35kW | Portlandia Electric Supply

    Briggs and Stratton 30-35kW Maintenance Kit (1800 RPM Units, GM 3.0 liter - includes current 35kW and previous 30kW) - 6167

    SKU: PES-PS-GEN-0157
    MPN NO

    6167

    Briggs & Stratton
    $259.35 USD
    $259.35 USD
  • Top Rated
    Briggs & Stratton Briggs and Stratton 25-30kW Maintenance Kit (3600 RPM Units) - 6280 | Portlandia Electric Supply

    Briggs and Stratton 25-30kW Maintenance Kit (3600 RPM Units) - 6280

    SKU: PES-PS-GEN-0156
    MPN NO

    6280

    Briggs & Stratton
    $195.20 USD
    $195.20 USD
  • Top Rated
    Briggs & Stratton Briggs and Stratton 25-30kW Maintenance Kit (3600 RPM Units - 1000 hour belt change) - 6268 | Portlandia

    Briggs and Stratton 25-30kW Maintenance Kit (3600 RPM Units - 1000 hour belt change) - 6268

    SKU: PES-PS-GEN-0155
    MPN NO

    6268

    Briggs & Stratton
    $496.95 USD
    $496.95 USD
  • Top Rated
    Briggs & Stratton IMPCO Generators Accessories 35kW - 240V | Portlandia Electric Supply

    Briggs and Stratton 35kW Block Heater, 240V - IMPCO Engines (This heater is also used on previous 30kW, 1800RPM, model) - 6241

    SKU: PES-PS-GEN-0143
    MPN NO

    6241

    Briggs & Stratton
    $564.74 USD
    $564.74 USD
  • Top Rated
    Briggs & Stratton Briggs and Stratton 25-30kW Liquid Cooled Block Heater, 240V - 6269 | Portlandia Electric Supply

    Briggs and Stratton 25-30kW Liquid Cooled Block Heater, 240V - 6269

    SKU: PES-PS-GEN-0142
    MPN NO

    6269

    Briggs & Stratton
    $693.01 USD
    $693.01 USD
  • Top Rated
    Briggs & Stratton Generators Accessories 30kW - 240V | Portlandia Electric Supply

    Briggs & Stratton 25-30kW Liquid Cooled Cold Weather Kit, 240V - Block Heater and Battery Warmer - 6270

    SKU: PES-PS-GEN-0141
    MPN NO

    6270

    Briggs & Stratton
    $892.40 USD
    $892.40 USD
  • Top Rated
    Generac 5620

    Generac Extreme Cold Weather Kit for 6.8L; 70kW, 100kW, & 130kW

    SKU: PES-PA-ELC-1743
    MPN NO

    5620

    Generac
    $166.99 USD
    $166.99 USD
  • Top Rated
    Generac Extreme Cold Weather Kit for 1.6L; 25kW & 30kW - 5615 | Portlandia Electric Supply

    Generac Extreme Cold Weather Kit for 1.6L; 25kW & 30kW - 5615

    SKU: PES-PA-ELC-1736
    MPN NO

    5615

    Generac
    $166.99 USD
    $166.99 USD

30kW Generators for Reliable Backup Power

Shop 30kW generators at PES Supply for automatic backup power that keeps your home or business running during outages. 30 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.

30kW 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 30kW of continuous backup power. A 30kW 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.