Solar Inverters

462 products

Wholesale Solar Inverters — String Inverters, Power Optimizers & Microinverters for Sale

Power your photovoltaic installations with premium solar inverters at wholesale prices from Portlandia Electric Supply, a nationwide solar inverter distributor serving installers, EPCs, and developers across every U.S. market. Solar inverters represent the critical heart of every PV system — converting DC power from modules into usable AC electricity while maximizing energy harvest, ensuring grid compliance, and providing system monitoring. When you need the right inverter technology at the best price, PES delivers genuine products with full warranty coverage and manufacturer-backed technical support.

Our expansive inventory features the industry's most trusted inverter brands and technologies. For microinverter architectures, we stock Enphase Energy IQ8 and IQ7 series microinverters with rapid shutdown compliance and sunlight backup capability. For DC-optimized string systems, we carry SolarEdge HD-Wave inverters paired with power optimizers for module-level monitoring and maximum power point tracking. We also stock traditional string inverters from SMA America (Sunny Boy and Sunny Tripower), Fronius (Primo and Symo series), and Growatt, plus hybrid inverters from Sol-Ark for battery-ready installations. Whether your project calls for a 3.8kW residential single-phase system or a 125kW commercial three-phase installation, we have the inverter solution matched to your voltage, frequency, and string-sizing requirements.

Choosing an authorized wholesale distributor protects your investment and ensures code compliance. PES provides:

  • Buy solar inverters wholesale with significant volume discounts for installer accounts and project contractors
  • Grid-tied, off-grid, and hybrid/battery-ready inverter configurations in stock
  • Residential, commercial, and utility-scale inverter prices locked on formal quote with flexible payment terms
  • UL 1741-SA (Rule 21 / IEEE 1547-2018) compliant smart inverters for interconnection approval
  • Nationwide fulfillment with project-staging, drop-shipping, and job-site delivery coordination

Compare solar inverter prices and specifications across all major brands side-by-side in our catalog. Request a custom inverter quote today or speak with our technical sales team for expert guidance on inverter sizing, string design, and NEC 2020 rapid shutdown compliance.