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Commercial Inverters

Limited stock

APsystems YC1000-3 Microinverter Liquidation

  • TypeMicro Inverters
  • PhasesThree-phase
  • AC Output Voltage480 VAC
  • Nominal DC Input60 VDC

Pickup on Fri, Nov 21 from Coral Springs, FL

Delivery on Nov 26 – Dec 03

In stock

Aptos Solar MAC-400 Microinverter

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings320–540 W

Delivery on Nov 26 – Dec 03

In stock
Customer Choice

Enphase IQ8P-3P Microinverter IQ8P-3P-72-E-US

  • TypeMicro Inverters
  • PhasesThree-phase
  • AC Output Voltage208 VAC
  • Nominal DC Input63 VDC
  • Module Pairings380–640 W

Delivery on Nov 26 – Dec 03

In stock

APsystems DS3-L Microinverter

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings265–570 W

Pickup on Fri, Nov 21 from Orlando, FL

Delivery on Nov 26 – Dec 03

In stock
Customer Choice

Enphase IQ8PLUS Microinverter IQ8PLUS-72-M-US

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings235–440 W

Pickup on Fri, Nov 21 from Orlando, FL

Delivery on Nov 26 – Dec 03

In stock

Aptos Solar MAC-800 Microinverter

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings320–540 W

Delivery on Nov 26 – Dec 03

In stock

Enphase IQ8AC Microinverter IQ8AC-72-M-US

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings295–500 W

Pickup on Fri, Nov 21 from Pompano Beach, FL

Delivery on Nov 26 – Dec 03

Limited stock

APsystems DS3 Microinverter

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings300–660 W

Pickup on Fri, Nov 21 from Orlando, FL

Delivery on Nov 26 – Dec 03

Limited stock

Enphase IQ8X Microinverter IQ8X-80-M-US

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input79.5 VDC
  • Module Pairings320–540 W

Delivery on Nov 26 – Dec 03

In stock

Enphase IQ8HC Microinverter IQ8HC-72-M-US

  • TypeMicro Inverters
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Nominal DC Input60 VDC
  • Module Pairings320–540 W

Pickup on Fri, Nov 21 from Pompano Beach, FL

Delivery on Nov 26 – Dec 03

Limited stock

APsystems QT2-208 Microinverter

  • TypeMicro Inverters
  • PhasesThree-phase
  • AC Output Voltage208 VAC
  • Nominal DC Input60 VDC
  • Module Pairings315–670 W

Delivery on Nov 26 – Dec 03

Limited stock

OutBack Power SkyBox 5 kW Hybrid Inverter SBX5048-120/240 Open Box

  • TypeHybrid
  • PhasesSingle-phase
  • AC Output Voltage120/240 VAC
  • Nominal DC Input48 VDC
  • Max DC Voltage (Voc)600 VDC

Pickup on Fri, Nov 21 from Coral Springs, FL

Delivery on Nov 26 – Dec 03

Limited stock

Tigo Energy 7.6 kW 50A ATS-Compatible Hybrid Inverter TSI-7.6K-US

  • TypeHybrid
  • PhasesSingle-phase
  • AC Output Voltage240 VAC
  • Max DC Voltage (Voc)600 VDC

Delivery on Nov 26 – Dec 03

Limited stock

OutBack Power SkyBox 5 kW Hybrid Inverter SBX5048-120/240 Clearance

  • TypeHybrid
  • PhasesSingle-phase
  • AC Output Voltage120/240 VAC
  • Nominal DC Input48 VDC
  • Max DC Voltage (Voc)600 VDC

Pickup on Fri, Nov 21 from Coral Springs, FL

Delivery on Nov 26 – Dec 03

Limited stock

SolarEdge 10 kW Grid-tie Inverter SE10000H-US

  • TypeGrid-tie
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Max DC Voltage (Voc)480 VDC

Pickup on Fri, Nov 21 from Orlando, FL

Delivery on Nov 26 – Dec 03

Limited stock

SMA Sunny Boy Smart Energy 9.6 kW Hybrid Inverter SMA-SBSE9.6-US-50

  • TypeHybrid
  • PhasesSingle-phase
  • AC Output Voltage208/240 VAC
  • Max DC Voltage (Voc)600 VDC

Delivery on Nov 26 – Dec 03

Limited stock

Fronius Symo 10 kW Grid-tie Inverter 10.0-3 208-240

  • TypeGrid-tie
  • PhasesThree-phase
  • AC Output Voltage208/240 VAC
  • Max DC Voltage (Voc)600 VDC

Pickup on Fri, Nov 21 from Pompano Beach, FL

Delivery on Nov 26 – Dec 03

Limited stock

Fronius Symo 15 kW Grid-tie Inverter 15.0-3 208

  • TypeGrid-tie
  • PhasesThree-phase
  • AC Output Voltage208 VAC
  • Max DC Voltage (Voc)1000 VDC

Delivery on Nov 26 – Dec 03

Limited stock

Fronius Symo 12 kW Grid-tie Inverter 12.0-3 208-240

  • TypeGrid-tie
  • PhasesThree-phase
  • AC Output Voltage208/240 VAC
  • Max DC Voltage (Voc)600 VDC

Delivery on Nov 26 – Dec 03

Limited stock

OutBack Power Radian 8 kW Pure Sine Inverter GS8048A

  • TypePure Sine Inverters
  • PhasesSingle-phase
  • AC Output Voltage120/240 VAC
  • Nominal DC Input48 VDC

Delivery on Nov 26 – Dec 03

Limited stock

Sol-Ark 12K-2P Hybrid Inverter

  • TypeHybrid
  • PhasesSingle-phase
  • AC Output Voltage120/240, 120/208, 220 VAC
  • Nominal DC Input48 VDC
  • Max DC Voltage (Voc)500 VDC

Delivery on Nov 26 – Dec 03

Limited stock

Sol-Ark Limitless 15K-LV Hybrid Inverter 15K-2P-N

  • TypeHybrid
  • PhasesSingle-phase
  • AC Output Voltage120/240, 120/208, 220 VAC
  • Nominal DC Input48 VDC
  • Max DC Voltage (Voc)500 VDC

Delivery on Nov 26 – Dec 03

Limited stock

SMA Sunny Tripower CORE1 50 kW Grid-tie Inverter

  • TypeGrid-tie
  • PhasesThree-phase
  • AC Output Voltage480 VAC
  • Max DC Voltage (Voc)1000 VDC

Delivery on Nov 26 – Dec 03

Limited stock

SMA Sunny Tripower CORE1 62 kW Grid-tie Inverter

  • TypeGrid-tie
  • PhasesThree-phase
  • AC Output Voltage480 VAC
  • Max DC Voltage (Voc)1000 VDC

Delivery on Nov 26 – Dec 03

  • Overview
  • Articles

Commercial String Inverters For Sale

Commercial string inverters deliver centralized DC-to-AC conversion for installations ranging from 15kW to 500kW , offering superior economics and operational advantages for businesses, industrial facilities, and utility-scale projects. Modern commercial inverters incorporate multi-MPPT architecture, three-phase output capability, and advanced grid management features specifically engineered for high-power applications where system reliability directly impacts revenue generation.

Why Commercial Projects Choose String Inverters

Commercial ApplicationSystem CapacityCost SavingsOperational Advantage
Rooftop commercial (retail, warehouse)50-250kW$0.35-$0.60 per watt installedGround-level inverter access
Industrial facilities (manufacturing)250-500kW$105K vs $165K (50kW baseline)Integration with facility SCADA
Multi-MW solar farms500kW per inverterBulk procurement discountsCentralized O&M, 60-75% faster MTTR

Key Specifications for Commercial Selection

SpecificationCommercial RequirementPerformance ImpactBusiness Value
Three-phase output208V / 480VDirect facility grid integrationNo additional transformers needed
Multi-MPPT channels4-14 channelsComplex roof optimization94-97% energy capture on split arrays
DC input voltage1000-1500V systemsReduced conductor costs15-25% lower balance of system
CEC efficiency (commercial grade)98.0-98.5%25-year: 6,000-8,000 kWh/100kW$720-$960 incremental value
Power rating scalability15kW to 500kW unitsRight-sized for projectRedundancy without over-investment

String Configuration for 1000-1500V Systems

Commercial inverters operating at 1000-1500V DC input enable longer string lengths and reduced balance-of-system costs. For a 550W bifacial module rated 49.5V Voc with -0.28% per degree C coefficient in a 1500V system where record lows reach -20°C, temperature delta equals -45°C. Multiply by coefficient: -45°C times -0.28% equals 12.6% voltage increase. Apply to rated voltage: 49.5V times 1.126 equals 55.74V maximum per module. Divide inverter's 1500V maximum by 55.74V equals 26.9 modules—round down to 26 modules per string.

For commercial three-phase inverters with 200-500kW capacity, typical configurations use 4-8 MPPT channels with 2-4 strings per channel. A 250kW system with 550W modules requires approximately 455 panels. Optimal configuration: 6 MPPT channels, 3 strings per channel (18 total strings), 25-26 modules per string, delivering 247-257kW DC capacity with 1.15-1.20 DC:AC ratio.

Expert Tip

Commercial installations benefit from redundant inverter architecture. A 200kW system designed with four 50kW inverters instead of two 100kW units maintains 75% production capacity during single-inverter failure, critical for facilities where solar directly offsets demand charges. This topology increases equipment cost by 8-12% but delivers $15,000-$25,000 risk-adjusted value over 25 years for commercial customers with $150-$250/kW monthly demand charges. Design commercial systems with N 1 redundancy for mission-critical applications.

Leading Commercial Inverter Manufacturers

Commercial inverter selection prioritizes field-proven reliability, rapid warranty response, and O&M service network density. Top-tier commercial suppliers like SMA, SolarEdge, and Fronius maintain dedicated commercial divisions with rapid replacement programs. Enterprise customers report that 2-4 week warranty processing from mid-tier manufacturers costs $1,200-$2,500 in lost production for 100kW systems generating $15,000-$18,000 annual value.

ManufacturerCommercial RangeWarranty / RMAService NetworkMarket Position
SMA15-500kW 10 years / 3-5 daysGlobal enterprise supportPremium tier leader
SolarEdge10-100kW12 years / 5-7 daysStrong optimizer ecosystemHybrid topology leader
Fronius10-30kW5 years / extendablePremium European qualityHigh durability focus
EnphaseMicroinverters25 years / rapid replacementAdvanced monitoring platformMicroinverter market leader

System Architecture by Facility Type

Commercial installations demand architecture decisions based on production criticality, facility load profiles, and capital constraints. Manufacturing facilities with time-of-use rates above $0.18/kWh and demand charges exceeding $15/kW prioritize maximum uptime through redundant inverter configurations. Warehouse and retail installations with lower electricity costs optimize for lowest installed cost per watt while accepting single-point failure risk.

Commercial Facility TypeTypical System SizeRecommended ConfigurationKey Design Priority
Retail / Big-box stores100-500kW2-4 central inverters, 4-6 MPPT eachLowest $/watt installed
Manufacturing / Data centers250kW-2MWN 1 redundancy, 50-100kW unitsMaximum uptime, demand charge offset
Warehouse / Distribution150-750kW3-5 inverters, split rooftop coverageBalance cost vs. redundancy
Ground-mount / Solar farms1MW per blockMultiple 100-250kW invertersCentralized O&M, tracker integration

Inverter Sizing Guide by Scale

System ScaleInverter CapacityTypical DC:AC RatioMPPT ChannelsOutput Configuration
Small commercial15-30kW1.20-1.302-3Three-phase 208/480V
Mid-size commercial30-100kW1.25-1.354-6Three-phase 480V
Large commercial100-250kW1.30-1.406-10Three-phase 480V/600V
Utility-scale250-500kW 1.35-1.5010-14Medium voltage transformer
⚡ Three-phase commercial inverters integrate directly with facility electrical infrastructure at 208V, 480V, or 600V, eliminating step-up transformers required for single-phase systems. Commercial-grade inverters feature advanced grid management including reactive power control (Q at night), frequency/voltage ride-through for utility compliance, and SCADA integration via Modbus TCP or SunSpec protocols. Premium commercial units achieve 98.0-98.5% CEC efficiency—over 100kW systems, each 0.5% efficiency gain delivers $800-$1,200 additional 25-year production value at $0.12/kWh.

Commercial string inverter technology delivers proven reliability for facilities demanding maximum solar ROI through strategic system architecture. Enterprises achieving lowest levelized cost of energy combine right-sized inverter capacity (1.25-1.40 DC:AC ratios), redundancy strategies matching production criticality, and manufacturer partnerships ensuring sub-48-hour replacement response. Commercial solar directors who master three-phase integration requirements, demand charge optimization through production profiling, and long-term service contract structuring position their facilities to extract maximum value from 25-year solar investments while maintaining operational flexibility for future facility expansions.

Explore Commercial Inverters for Large-Scale Projects

Discover our range of commercial string inverters engineered for 15kW to 100kW installations. Advanced multi-MPPT technology, superior reliability, and simplified maintenance for maximum uptime.

Shop Commercial Inverters

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