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Wholesale String Solar Inverters for Commercial and Residential Projects
Buy string solar inverters at wholesale prices from Portlandia Electric Supply, your nationwide distributor for grid-tied string inverters from the industry's most trusted manufacturers. String inverters remain the most cost-effective solution for large, unshaded arrays, delivering high efficiency and simple installation for residential, commercial, and utility-scale projects.
We stock string inverters from SMA, Fronius, SolarEdge, Huawei, and Growatt, with power ratings from 3kW to 250kW and compatibility for 600V and 1000V DC strings. Our inventory includes single-phase and three-phase models, transformerless designs, and outdoor-rated enclosures for rooftop and ground-mount installations. All inverters meet IEEE 1547, UL 1741, and BABA compliance requirements with full warranty and documentation support.
String Inverter Options Available
- Residential string inverters: SMA Sunny Boy, Fronius Primo, SolarEdge HD-Wave
- Commercial string inverters: SMA Core, Huawei SUN2000, Growatt MAX
- Power ratings from 3kW to 250kW with 98%+ peak efficiency
- Transformerless and outdoor-rated designs for rooftop and ground-mount
- Wholesale pricing and volume discounts from US distribution centers
Portlandia Electric Supply helps distributors and installers source string inverters at competitive wholesale prices with fast shipping and project support. Request a string inverter quote today or call our team for volume pricing and technical consultation.
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