Unlike traditional string inverters, microinverters offer panel-level conversion, monitoring, and optimization, improving safety, reliability, and performance. In this article, we highlight the top 10 microinverter brands with a strong presence and influence in the US market. Whether you’re a solar installer, distributor, or system designer, this guide will help you compare the best manufacturers, their core products, and how they stack up in real-world applications. HIITIO, a rising global brand, delivers cutting-edge MLPE solutions trusted by professionals worldwide.
1. HIITIO
- Headquarters: Zhejiang, China
- Founded: 2018
- Website: https://www.hiitio.com/
- Products: Microinverters range
- Key Product: 2000W smart microinverter
Founded in 2018 and headquartered in Zhejiang, China, HIITIO has quickly made its mark as a high-tech supplier of module-level power electronics (MLPE). Its US operations empower both residential and commercial solar installations with microinverters ranging from 300 W to 2,000 W. HIITIO’s solutions stand out for intelligent control systems, modular scalability, and real-time panel-level diagnostics that maximize yields and simplify maintenance.
EXPLORE MORE HIITIO MICROINVERTER
2. SolarEdge
- Headquarters: Herzliya, Israel; major U.S. subsidiary
- Founded: 2006
- Website: solaredge.com
- Products: MLPE & integrated AC‑module offerings
- Key Product: AC‑module
Originally founded in 2006 in Israel, SolarEdge is globally renowned for its power optimizers and string inverters—but it also ventures into AC‑module setups featuring panel-integrated microinverters. Part of the SolarEdge MLPE ecosystem, their integrated modules deliver fine-grained panel-level performance and backup flexibility.
3. Tigo Energy
- Headquarters: Campbell, CA, USA
- Founded: 2007
- Website: tigoenergy.com
- Products: TSI‑7.6 inverter & TS4 optimizer series
- Key Product: TS4-A-O
Tigo Energy, launched in 2007 in Campbell, California, excels in MLPE, particularly rapid shutdown systems (RSS) and smart optimizers tailored for North American residential and commercial markets. Their TS4 platform adds module-level intelligence, allowing optimization, monitoring, and code-compliant rapid shutdown without inverter integration. It’s scalable, flexible, and compatible across inverter brands.
4. Enphase
- Headquarters: Fremont, California, USA
- Founded: 2006
- Website: https://enphase.com/nl-nl
- Products: IQ Series microinverters
- Key Product: IQ8+ Series
Enphase is the undisputed leader in residential microinverters, founded in 2006 and based in Fremont, CA. As the first company to commercialize microinverters, Enphase has shipped over 48 million units to 2.5 million systems across 140+ countries.
5. APsystems
- Headquarters: Seattle, WA & Jiaxing, China
- Founded: 2010
- Website: https://emea.apsystems.com/
- Products: DS & QS microinverters + energy storage
- Key Product: QT2 quad microinverter
APsystems, founded in 2010 in Silicon Valley and headquartered in Seattle (with global HQ in Jiaxing, China), is a pioneer in multi‑module microinverters and advanced MLPE solutions. With over 10 million panels powered, 300,000+ installations across 100+ countries, and shipment surpassing 6 GW as of end‑2024, APsystems ranks as the #2 global microinverter provider.
6. Chilicon Power
- Headquarters: California, USA (with support from Generac)
- Founded: 2010
- Website: chiliconpower.com
- Products: Solo microinverter & EMA management suite
- Key Product: Microinverter CP-720
Founded in 2010 in California and acquired by Generac in 2021, Chilicon Power integrates modular microinverters with a full-featured Energy Management Assistant (EMA) platform. The Chilicon Solo microinverter is compact, achieves ~96% efficiency, and supports plug-and-play deployment for residential rooftops.
7. Hoymiles
- Headquarters: Ningbo, China
- Founded: 2012
- Website: https://www.hoymiles.com/
- Products: HM Series microinverters
- Key Product: HM1500NT
Hoymiles, established in 2012 and IPO’d in 2021 in China, specializes in MLPE with a strong US presence. Their microinverters dominate their lineup, supporting residential, commercial, and industrial systems worldwide.
8. Darfon
- Headquarters: Taiwan, with US distribution network
- Founded: 1997
- Website: darfon.com
- Products: MI/AC microinverters & AC‑module collaborations
- Key Product: MI‑AC
Darfon Electronics, established in 1997 in Taiwan, has expanded into the US market with microinverters and storage-integrated AC modules. Their MI‑AC series is engineered for rugged durability, featuring IP65-rated casing, high humidity and temperature resilience—ideal for harsh environments.
9. Fronius
- Headquarters: Pettenbach, Austria; U.S. presence via dealers
- Founded: 1945
- Website: fronius.com
- Products: Primo GEN24 hybrid inverter system
- Key Product: Primo GEN24 Plus
Vienna–based Fronius (est. 1945) entered the MLPE hybrid microinverter market with its GEN24 series, including Primo GEN24 Plus. Known for industrial reliability, Fronius delivers ~98% efficiency via hybrid inverter/button-down European design with active cooling, islanding, V2H, and EV charging in one unit.
While not a traditional roof-top microinverter, its hybrid GEN24 handles module-level monitoring when paired with smart optimizers, appealing to homeowners seeking robust, all-in-one solutions with built-in batteries.
10. Deye
- Headquarters: Ningbo, China
- Founded: 2000
- Website: deyeinverter.com/
- Products: Micro‑Grid inverter series
- Key Product: 2000 W micro‑grid inverter
Deye, founded in 2000 in Ningbo, China, offers a diverse inverter lineup spanning string, micro‑grid, and microinverters. Their 2 kW micro‑grid inverter supports bidirectional DC/AC power flow—ideal for off‑grid or hybrid setups. Though less established in North America, Deye emphasizes cost-effective, scalable solutions. Their micro‑grid inverter includes islanding and storage interfaces, positioning them for small commercial and rural power applications.
Why Choose HIITIO Microinverter
Across this powerful lineup, HIITIO rises to the top for combining intelligent control, modular scalability, UL-compliant safety, and performance-grade efficiency. Its growing US presence, broad product range, and robust R&D make it a go-to partner for solar installers and integrators aiming to differentiate with superior MLPE. Contact HIITIO today to incorporate SPD protection into your next solar project！
