String Inverters

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Inverters

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Solar Panels

Inverters

Storage solutions

Charge controllers

Solar Equipment

Racking

Accessories

318 products

  • Top Rated
    Fronius Primo 11.4-1 208–240 VAC Single-Phase String Inverter

    Fronius Primo 11.4-1 208-240VAC - 4210076800

    SKU: PES-SPS-SIV-0748
    MPN NO

    4210076800

    Fronius
    $4,429.69 USD
    $4,429.69 USD
  • Top Rated
    SolarEdge SE-10K-USR2IBNZ4-1 10 kW Three-Phase Inverter

    SolarEdge Three Phase SetAPP inverter, 10.0kW, 208V - with AC RSD, DC Safety Switch and AFCI. SE-10K-USR2IBNZ4-1

    SKU: PES-SPS-SIV-0747
    MPN NO

    SE-10K-USR2IBNZ4-1

    SolarEdge
    $4,942.44 USD
    $4,942.44 USD
  • Top Rated
    Fronius Primo 12.5-1 208/240V String Inverter

    Fronius Primo 12.5-1 208-240VAC 4210077800

    SKU: PES-SPS-SIV-0746
    MPN NO

    4210077800

    Fronius
    $4,633.90 USD
    $4,633.90 USD
  • Top Rated
    Fronius Symo Advanced 24.0-3 480VAC 12kW Inverter

    Fronius, 4,210,095,800, Symo Advanced 24.0-3 480VAC String Inverter with DM Card - 4210095800

    SKU: PES-SPS-SIV-0745
    MPN NO

    4210095800

    Fronius
    $3,647.13 USD
    $3,647.13 USD
  • Top Rated
    Fronius Symo Advanced 12.0-3 208/240V 12kW Inverter

    Fronius Symo Advanced 12.0-3 208/240VAC String Inverter - 4210091800

    SKU: PES-SPS-SIV-0744
    MPN NO

    4210091800

    Fronius
    $5,141.85 USD
    $5,141.85 USD
  • Top Rated
    Sunny Highpower PEAK3 125-US-20 125kW 480V string inverter

    SMA Sunny Highpower PEAK3 125-US-20 – 125 kW / 125 kVA, 480 VAC, 1500 Vdc

    SKU: PES-SPS-SIV-0743
    MPN NO

    GV15US-D PLUS SHP 125-US-20

    SMA Solar Technology
    $6,192.35 USD
    $6,192.35 USD
  • Top Rated
    Sunny Highpower PEAK3 150-US-20 150kW 600V string inverter

    SMA Sunny Highpower PEAK3 150-US-20 – 150 kW / 150 kVA, 600 VAC, 1500 Vdc

    SKU: PES-SPS-SIV-0742
    MPN NO

    GV15US-D PLUS SHP 150-US-20

    SMA Solar Technology
    $6,192.35 USD
    $6,192.35 USD
  • Top Rated
    Sunny Tripower X 20-US 20kW 480/277V string inverter

    Sunny Tripower X 20-US - 20KV 480/277 VAC 1000Vdc String Inverter 03-20-1000-2-50

    SKU: PES-SPS-SIV-0741
    MPN NO

    03-20-1000-2-50

    SMA
    $5,315.53 USD
    $5,315.53 USD
  • Top Rated
    SMA America Sunny Tripower X 03-25-1000-2-50 Inverter

    Sunny Tripower X 25-US - 25KV 480/277 VAC 1000Vdc String Inverter 03-25-1000-2-50

    SKU: PES-SPS-SIV-0740
    MPN NO

    03-25-1000-2-50

    SMA
    $6,408.51 USD
    $6,408.51 USD
  • Top Rated
    Solis S6-GC30K-LV-US-APST 30 kW String Inverter

    Solis 30kW Three Phase 208Vac Three MPPT w/ AFCI w/ APS - 10 Year Warranty S6-GC30K-LV-US-APST

    SKU: PES-SPS-SIV-0739
    MPN NO

    S6-GC30K-LV-US-APST

    Solis
    $6,772.80 USD
    $6,772.80 USD
  • Top Rated
    SMA America Sunny Tripower X 03-30-1000-2-50 Inverter

    Sunny Tripower X 30-US - 30KV 480/277VAC 1000Vdc String Inverter 03-30-1000-2-50

    SKU: PES-SPS-SIV-0738
    MPN NO

    03-30-1000-2-50

    SMA
    $6,252.33 USD
    $6,252.33 USD
  • Top Rated
    Solis 185kW 12 MPPT 1500V 600VAC Type 4X

    Solis 185kW Three Phase 12 MPPT - 5 Year Standard Warranty Solis-185K-EHV-5G-US-PLUS

    SKU: PES-SPS-SIV-0737
    MPN NO

    Solis-185K-EHV-5G-US-PLUS

    Solis
    $14,178.06 USD
    $14,178.06 USD
  • Top Rated
    SMA SHP 125-US-21 125kW 480VAC 1500V

    SMA Sunny Highpower Peak3 (SHP 125-US-21) 125KV 480VAC 1500V String Inverter 3-125-1500-2-21

    SKU: PES-SPS-SIV-0736
    MPN NO

    3-125-1500-2-21

    SMA Solar Technology
    $13,543.02 USD
    $13,543.02 USD
  • Top Rated
    SMA SHP 172-US-21 172kVA 660VAC 1500V

    SMA Sunny Highpower PEAK3 172-US-21 (SHP 172-US-21) 172KVA 660VAC String Inverter - 3-172-1500-2-21

    SKU: PES-SPS-SIV-0735
    MPN NO

    3-172-1500-2-21

    SMA Solar Technology
    $17,031.60 USD
    $17,031.60 USD
  • Top Rated
    Fronius Symo 20.0-3 Inverter

    Fronius Symo 20.0-3 480VAC - 4210054801

    SKU: PES-SPS-SIV-0733
    MPN NO

    4210054801

    Fronius
    $3,112.18 USD
    $3,112.18 USD
  • Top Rated
    SMA SHP FLEX-US-21 3-FLE-1500-2-21 1500V 172kVA

    SMA Sunny Highpower PEAK3 FLEX-US-21 (SHP X-US-21) 180KVA 690VAC String Inverter - 3-FLEX-1500-2-21

    SKU: PES-SPS-SIV-0734
    MPN NO

    3-FLEX-1500-2-21

    SMA Solar Technology
    $15,725.50 USD
    $15,725.50 USD
  • Top Rated
    Fronius Primo 8.2-1 208-240V Solar Inverter – 4210060800

    Fronius Primo 8.2-1 208-240V Solar Inverter – 4210060800

    SKU: PES-SPS-SIV-0732
    MPN NO

    4210060800

    Fronius
    $3,093.91 USD
    $3,093.91 USD
  • Top Rated
    Fronius Primo GEN24 7.7 208-240

    Fronius Primo GEN24 7.7 208-240 - 4210143800

    SKU: PES-SPS-SIV-0731
    MPN NO

    4210143800

    Fronius
    $3,393.91 USD
    $3,393.91 USD

String Inverters for Grid-Tied Solar

Convert your solar panels' DC power to grid-ready AC with reliable string inverters from PES Supply. String inverters are the most cost-effective solution for unshaded residential and commercial arrays, offering high efficiency and simple wiring. Shop top brands including SMA, Fronius, Solis, GoodWe, Sungrow, SolarEdge, and more.

String Inverter Features

  • Single-phase and three-phase models for residential and commercial
  • Built-in MPPT tracking for maximum energy harvest
  • Transformerless designs for higher efficiency and lighter weight
  • Wi-Fi and monitoring included on most models
  • Grid-tied and off-grid capable options

Choose the right inverter size based on your array wattage and local grid requirements. String inverters are ideal for south-facing arrays with minimal shading. For complex roofs or partial shade, consider pairing with power optimizers. Our team can help you match the right inverter to your panels.

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.