Based in Walpole, MA, Acumentrics manufactures rugged power solutions for mission-critical military and commercial applications. They specialize in power conditioners, inverters, backup conversion, and power distribution systems, engineered for reliability and consistent performance. Products are rigorously tested to withstand extreme environmental conditions.
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Inverter Manufacturers
Last updated: January 2026
This directory lists 53 inverter manufacturers across the United States, from specialists in compact residential microinverters to providers of robust utility-scale central inverter solutions.
Buyers in this category are typically solving critical energy conversion and management problems, ranging from integrating renewable energy sources into the grid to enabling sophisticated battery energy storage systems. They seek manufacturers who can deliver high efficiency power conversion, mitigate harmonic distortion, and provide reliable islanding protection, ensuring stable and safe operation within diverse electrical environments.
The spectrum of suppliers in this space is broad, encompassing established Original Equipment Manufacturers (OEMs) with extensive product catalogs, Original Design Manufacturers (ODMs) offering customization based on core platforms, and specialized engineering firms focused on niche applications like high-voltage direct current (HVDC) conversion or specific industrial power requirements. Differentiating factors often include the depth of their R&D in power electronics, their modularity for scalability, and their experience with different DC input voltages and AC output frequencies.
To engage effectively, buyers should come prepared with detailed specifications including desired power output, efficiency curves (e.g., California Energy Commission or European Efficiency), environmental operating conditions (temperature, humidity, elevation), and any specific grid code requirements. Manufacturers, in turn, will expect clear documentation on load profiles, desired protection features, expected volumes, and any unique communication protocols (e.g., Modbus, SunSpec) for system monitoring and control.
A significant trend reshaping this category is the proliferation of bi-directional inverters, crucial for vehicle-to-grid (V2G) and advanced energy storage applications. This shift demands manufacturers with sophisticated control algorithms for seamless power flow in both directions, higher switching frequencies for improved waveform quality, and enhanced cybersecurity features to protect against grid vulnerabilities.
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Company Directory
53 companies nationwide
Based in Redwood Valley, CA, Advance Solar, Hydro, Wind Power, Inc. designs and manufactures high-quality energy systems. This veteran-owned company, established in 1978, specializes in off-grid inverter power solutions. They produce their own API LiFePO4 energy storage systems and provide comprehensive system design, installation, and servicing.
AIMS Power is a manufacturer of DC to AC power inverters, solar panels, and off-grid power solutions. Based in Reno, NV, they provide cutting-edge inverter technology for residential, commercial, industrial, and mobile applications globally.
Based in Hatboro, PA, Alencon Systems, LLC provides advanced power electronics for commercial, industrial, and utility-scale alternative energy applications. The company manufactures DC-DC optimizers, bi-directional DC-DC converters, and central inverters. They support solar, battery energy storage, and electric vehicles, enhancing energy harvesting and reducing deployment costs.
AmePower specializes in the design, manufacturing, retrofit, and repair of customized high-power energy converters and inverters. With over 22 years of expertise, the company provides power electronics solutions to enhance efficiency and reliability for rail, wind turbines, solar, energy storage, and electric vehicles.
Amstron provides medical-grade DC to AC pure sine wave power inverters, specifically designed for mobile point-of-care products in hospitals and long-term healthcare facilities. Based in Valencia, CA, the company also offers MedXP battery systems and charging solutions, catering to demanding medical industry applications.
Based in Duluth, GA, CE+T America provides American-made, custom-built UPS and BESS systems for commercial and industrial applications. They specialize in modular inverters to secure AC loads and integrate renewable energy sources, ensuring reliable and efficient power management solutions for businesses.
Based in Simi Valley, CA, ChiliconPower manufactures microinverters and gateway systems for solar photovoltaic (PV) installations. Their power inversion and monitoring technology, designed and made in California, maximizes PV system production, lowers installer operational costs, and enhances end-user satisfaction in the solar energy market.
Based in San Bernardino, CA, DSPM manufactures pure sine wave inverters and auxiliary power supplies. Specializing in power quality solutions, the company produces 3rd rail inverters, emergency lighting, frequency converters, UPS, and voltage regulators for commercial and industrial clients including schools, health facilities, and data centers.
Enphase manufactures advanced microinverters for residential and commercial solar power systems. Their product line includes the IQ8 and IQ9 Commercial Microinverters, designed for diverse grid applications. The company also provides IQ Batteries and bidirectional EV chargers, offering integrated solutions for solar power generation, storage, and management.
Based in Simpsonville, SC, EPC Power manufactures U.S.-made utility-scale power conversion systems and inverters for mission-critical reliability and grid stability. They deliver secure energy solutions for AI, data centers, BESS, and solar PV applications, strengthening both on- and off-grid installations globally.
Based in Stamford, CT, Hoffman Engineering manufactures and develops power management systems, including medical-grade AC power inverters. They provide innovative solutions for critical applications in aerospace, ground vehicle, and shipboard systems, extending battery life and ensuring compatibility with various AC power devices.
Based in Des Plaines, IL, La Marche Manufacturing engineers and manufactures industrial inverters, battery chargers, and UPS systems. They offer LTI2 PRO Inverters (1kVA-6kVA) delivering pure sine wave 120VAC power from 48V or 125V DC input sources. Their power conversion solutions are fully manufactured in the U.S. for critical system operations.
Based in Elyria, OH, LTI Power Systems manufactures high-quality, industrial-grade UPS and inverter backup power systems. The company specializes in Made in USA solutions, ensuring superior performance and craftsmanship. Each system undergoes rigorous testing and inspection for reliable service to commercial and industrial clients.
Based in St. Paul, MN, Magnum Dimensions (a brand under DMX Power) is a U.S. manufacturer specializing in UL & Intertek-Certified power inverters and inverter/chargers. They produce rugged solutions, including marine-grade inverters, designed to provide quiet, convenient, and pollution-free AC power for tools, appliances, and electronics.
Majorpower designs and manufactures reliable power conversion systems and DC power solutions. They cater to a global clientele across the utility, telecom, and critical power sectors, serving data centers and communication networks. Their products include power inverters, focusing on dependable performance.
Myers Emergency Power Systems manufactures inverters specifically designed for data centers. Their products are available with various power ratings and optional features, including a beneficial self-testing capability. The company provides reliable power solutions to meet the demanding requirements of industrial and commercial applications.
Based in Huntington Beach, CA, Newmar is a manufacturer specializing in reliable DC power products. For over 50 years, the company has provided a comprehensive range of solutions, including inverters, battery chargers, and DC power converters. Newmar serves marine, telecommunications, network, and land mobile industries.
Online Power, established in 1975, designs and manufactures a comprehensive range of power protection solutions. The company specializes in lighting inverters, including UL924 battery backup inverters and fire alarm backup systems. They also provide voltage regulators and custom OEM products for commercial and industrial clients.
Outbound Power, based in Scottsdale, AZ, manufactures inverters compatible with high voltage lithium-ion batteries (120V-500V). These inverters efficiently store excess solar energy and ensure reliable backup power for various applications.
Based in San Diego, CA, AMETEK Programmable Power designs and manufactures precision AC and DC programmable power supplies, electronic loads, and application-specific solutions. Their AC power supplies serve as sophisticated industrial inverters for diverse electrical and electronic testing and integration requirements.
Based in Richmond, VA, PS&C specializes in designing and manufacturing DC Inverter modules. These power conversion devices efficiently transform battery power into stable AC power at the required frequency. The company builds reliable inverter solutions for various industrial and commercial applications.
Based in Anaheim, CA, Sabina Motors & Controls manufactures custom drive systems, including Digital DC and AC Vector & Sensor-Less Vector Drives, since 1969. The company offers in-house engineering and full-scale panel building, serving diverse sectors like paper, plastic, rubber, steel, ski lift, and food industries.
Sol-Ark provides advanced solar energy storage systems and solutions for residential, commercial, and industrial applications. The company develops and supplies integrated systems that include inverters and other components designed for reliable energy management, meeting diverse power needs across various sectors.
Based in Milpitas, CA, SolarEdge provides innovative inverter solutions and energy management platforms for residential and commercial solar installations. The company develops power optimizers and SafeDC technology, focusing on optimizing energy efficiency, monitoring, and safety for PV ecosystems globally.
Based in Lawrence, MA, Yaskawa Solectria Solar manufactures advanced PV inverter solutions for a wide range of applications. The company provides 1500VDC inverters for residential, commercial, and utility-scale solar energy systems, offering comprehensive support and tools for solar power professionals.
Based in Fairfield, NJ, Solis, part of Ginlong Technologies, manufactures a wide range of solar inverters for diverse applications. The company provides advanced inverter solutions for residential, commercial, and industrial rooftop projects, serving various companies and sectors across the United States.
Eaton (Tripp Lite) manufactures heavy-duty power inverters for commercial and fleet vehicles, including trucks and boats. These inverters connect to 12V outlets, providing extended-peak utility AC power for various mobile applications. They focus on delivering reliable power solutions.
Based in Orlando, FL, GoodWe US manufactures a range of solar inverters for residential and commercial applications. Their product line includes inverters from 0.7kW to 250kW, supporting the global energy transition and sustainable future initiatives.
Based in Austin, TX, APsystems USA manufactures microinverters, energy storage, and rapid shutdown devices for the solar PV industry. The company specializes in multi-platform MLPE solutions, offering intelligent and innovative products designed for reliable and efficient power conversion in solar arrays worldwide.
Based in Westerville, OH, Vertiv manufactures advanced NetSure™ Inverter Systems, providing reliable power solutions for AC loads. Their compact inverter systems ensure zero transfer time from grid to battery, supporting critical infrastructure with continuous power. Vertiv specializes in designing and delivering power management solutions for data centers and communication networks.
WFCO Technologies manufactures advanced power technology solutions specifically for the recreational vehicle (RV) industry. The company provides a range of products, including inverters and converters, designed to optimize the RV owner's experience. Serving RV dealers and OEMs, they focus on reliable power management systems.
Acuity Brands, a prominent lighting manufacturer, offers IIS Inverters for emergency power applications. These inverters are designed to deliver reliable emergency power for various lighting loads, including LED, fluorescent, and incandescent fixtures, using high-efficiency charging control.
SYNCRIS manufactures patented inverter technology for microgrids, enabling seamless grid integration and scalable energy solutions. Their unique inverters offer diverse phase outputs and efficient modularity. Built with Silicon Carbide and a fanless design, these inverters ensure durability and simplify transport and installation.
Growatt USA manufactures a diverse range of intelligent PV inverters for residential, commercial, and utility-scale solar systems. Their product lineup includes on-grid, residential, battery-ready, hybrid storage, and off-grid inverters, catering to various energy storage and solar power needs.
Based in Fresno, CA, Sungrow manufactures commercial solar inverters. The company is committed to delivering cutting-edge solutions that empower businesses with reliable and efficient power conversion technology, specializing in large-scale solar applications.
Based in Bellingham, WA, Alpha Technologies manufactures standalone DC-AC inverter systems, exemplified by their INVERTER 2000 product. These solutions are specifically designed for telecom power applications, featuring improved efficiency, better over-load performance, and a compact design for demanding industrial environments.
Based in Hackettstown, NJ, Astrodyne TDI is a manufacturer of power solutions, including uninterruptible inverter/charger power supplies. They develop products like the MediPower II, a 170VA online inverter designed to deliver pure sinewave backup AC power for various applications requiring reliable power output.
Chint Power Systems America provides a diverse portfolio of PV string inverters for the North American solar market. Based in Rancho Dominguez, CA, the company offers solutions ranging from residential to utility-scale applications. They specialize in manufacturing and supplying their own branded solar inverter products, serving commercial and industrial clients.
Based in Los Angeles, CA, Crucial Power Products manufactures central lighting inverters, harsh environment inverters, and elevator backup units. Since 1997, the company has provided OSHPD certified power protection solutions for diverse commercial and industrial applications throughout the US.
Burlington, VT-based Dynapower manufactures advanced inverters and power conversion systems, specializing in custom engineered solutions for energy storage and microgrid applications. The company serves industrial markets including hydrogen, e-mobility, and general industry, providing robust support for their products.
Briggs & Stratton Energy Solutions manufactures advanced hybrid inverters, including the EG4® FlexBOSS18. This powerful and cost-effective unit delivers 13kW continuous output, up to 18kW solar input utilization, and 10kW battery-only power, serving diverse energy solution requirements.
Generac manufactures solar and battery energy storage solutions for residential and commercial applications. The company provides powerful, resilient, and smart systems, including inverters, to manage energy needs. Generac empowers customers to utilize energy on their own terms, offering integrated backup power capabilities.
Based in Bergenfield, NJ, Nova Electric manufactures rugged AC power systems, specializing in pure sine wave DC-AC inverters. Their MIL-qualified designs are built for harsh military, industrial, and commercial applications across air, land, sea, and rail. The company emphasizes engineering excellence and product reliability.
Based in Rapid City, SD, Phase Technologies designs and manufactures power electronics. The company provides simple to deploy and cost-effective motor control solutions specifically for irrigation, from home wells to municipal water systems, emphasizing durability and field savings.
Samlex America manufactures and supplies a wide range of power inverters and inverter/chargers. Their product line includes pure sine wave and split-phase models, catering to commercial marine vessels, recreational boats, work trucks, and RVs for various off-grid and mobile power applications.
Based in Trussville, AL, SPOC Automation specializes in variable speed drive automation and inverter technologies. The company provides modular, DC-powered solutions and Grid Inverter Systems for data centers and industrial applications, helping customers improve efficiency and meet ESG goals.
Mitsubishi Electric manufactures a diverse range of industrial power products, automation equipment, and semiconductors. They provide durable MVS and LVS solutions for stable and safe data center operations, contributing to critical infrastructure. The company actively invests in grid edge innovation and US startups focused on data center optimization.
Based in Fremont, CA, Delta Americas manufactures advanced power and thermal management solutions. The company provides a range of inverters designed for critical applications such as telecom power systems, wireless broadband access, fixed-line infrastructure, Internet backbone, and datacenters, serving industrial and commercial sectors.
ABB, through its Emergi-Lite brand, specializes in manufacturing inverter systems for emergency lighting applications. The company provides central and standalone inverter solutions, battery units, and remote fixtures for architectural, commercial, and industrial segments, ensuring compliance with regulations like California Title 20.
GM Energy, a division of General Motors, specializes in advanced energy management solutions. The company provides bidirectional charging systems, including the PowerShift Charger and V2H Enablement Kit, designed for vehicle-to-home power backup and integrated home energy storage using GM electric vehicles.
Schneider Electric USA manufactures comprehensive energy management and automation solutions for industrial and commercial clients. They provide a range of electrical equipment, including 3-phase UPS systems, power distribution products, and controls. Their offerings often incorporate advanced inverter technology for critical power conversion and reliability in diverse applications.
Based in Portland, TN, SMA America manufactures photovoltaic (PV) inverters and comprehensive solar energy solutions. The company provides home energy systems, UL 3741 PV Hazard Control, and modular power conversion solutions for residential, commercial, and utility-scale applications. They produce string inverters and PowerSkids in their U.S. facilities.
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How to Choose a Company
- Verify compliance with critical certifications such as UL 1741 SA (for advanced smart grid functions) or IEEE 1547 for grid interconnection in North America, ensuring the manufacturer's models support required reactive power compensation and low voltage ride-through capabilities.
- Assess their reported European Efficiency or CEC efficiency ratings across your specific operating temperature range and power levels, as inherent thermal design and component quality directly impact performance degradation and long-term reliability for demanding inverter applications.
- Confirm their core expertise aligns with your required power topology – whether it's transformerless string inverters for residential, multi-MPPT central inverters for commercial, or module-level power electronics like microinverters – as competence in one does not guarantee optimal solutions for others.
- Inquire about their firmware update process and lifecycle management for grid code compliance and cybersecurity patches; a manufacturer without a robust, field-deployable update mechanism for their inverter fleet poses a substantial long-term operational risk.
- Be highly vigilant of manufacturers offering exceptionally low-cost inverters without transparent documentation on critical component sourcing (e.g., specific IGBT or SiC MOSFET manufacturers) or a comprehensive third-party testing protocol, which can indicate compromises in reliability or safety features.
- For large-scale deployments or critical infrastructure, investigate their global service network, including the availability of trained field technicians, guaranteed spare parts inventory for key power components, and their process for expedited warranty claims and remote diagnostics for inverter fleets.
Frequently Asked Questions
What is the primary technical difference between a grid-tied inverter and an off-grid inverter?
Grid-tied inverters are designed to synchronize precisely with the utility grid's voltage and frequency, feeding power directly into it and often requiring anti-islanding protection to disconnect during outages. Off-grid inverters, conversely, create their own AC waveform independently, typically from a battery bank, acting as the primary power source for standalone systems and not requiring grid synchronization or anti-islanding functionality.
Which specific certifications are non-negotiable for inverters sold and installed in the United States?
For grid-interactive inverters in the US, UL 1741 and IEEE 1547 are fundamental. UL 1741 covers safety and construction, with the 'SA' supplement (UL 1741 SA) addressing smart inverter functions like reactive power control and low-voltage ride-through. IEEE 1547 defines the interconnection and interoperability requirements for distributed resources with electric power systems.
How does an inverter manufacturer's MPPT algorithm impact system performance, especially with partial shading?
The sophistication of an inverter's Maximum Power Point Tracking (MPPT) algorithm directly affects how efficiently it extracts power from solar panels. Advanced algorithms can rapidly track the true global peak power point, even under complex partial shading conditions or multiple local peaks on the PV array's I-V curve, leading to higher energy harvest compared to simpler algorithms that might get stuck on a local maximum.
What critical details should I scrutinize in an inverter manufacturer's warranty and service agreement beyond the stated term?
Beyond the standard 5-10 year warranty term, examine the availability and guaranteed response times for field service technicians, the explicit coverage for specific high-failure-rate components (e.g., capacitors, fans), clarity on whether firmware updates are included, and the manufacturer's policy on freight costs for replacement units. Also, verify their spare parts availability and lead times for the expected product lifespan.
What is harmonic distortion, and why is an inverter's Total Harmonic Distortion (THD) level a critical specification?
Harmonic distortion refers to the presence of unwanted frequencies in the AC output current or voltage, which are integer multiples of the fundamental frequency (e.g., 60 Hz). An inverter's Total Harmonic Distortion (THD) level indicates the magnitude of these distortions. High THD can lead to overheating of electrical equipment, reduced efficiency, interference with sensitive electronics, and non-compliance with utility grid connection standards, making low THD crucial for grid stability and equipment longevity.