Syndem LLC

Chicago, Illinois, United States

Energy StorageOtherPrivate company

Founded 201751-200 employees

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Profile last updated: August 15, 2026

About

Founded in 2017, Syndem LLC is a private company headquartered in Chicago, United States with approximately 51-200 employees specializing in Energy Storage, Other.

Syndem LLC pioneered autonomous and resilient smart grid technologies based on Virtual Synchronous Machines (VSM) and the Synchronized-and-Democratized (SYNDEM) grid architecture. Founded by Dr. Qing-Chang Zhong, an IEEE and AAAS Fellow, the company develops and commercializes grid-forming inverter technologies that enable power electronic converters to behave like conventional synchronous machines. Syndem's flagship products include patented grid-forming VSM inverters with blackstart capability, fault ride-through, virtual inertia, and the SYNDEM Smart Grid Research and Educational Kit with auto-code generation. The technology harmonizes the integration of renewable energy sources, energy storage, electric vehicles, and flexible loads without relying on vulnerable communication networks, advancing autonomous, stable, and resilient power-electronic grids. Syndem's solutions have been deployed globally and validated through field tests, university testbeds, and utility-scale demonstrations.

Headquarters

Chicago, United States

Founded

2017

Employees

51-200

Company type

Private company

Focus areas

Virtual Synchronous MachinesGrid-Forming InvertersSmart GridRenewable Energy IntegrationMicrogridEnergy StoragePower ElectronicsAutonomous Power SystemsGrid ResilienceBattery Storage

Products & services

Business models

B2BEPC

Value chain

R&DManufacturingEngineeringProcurementConstructionO&MConsulting

Service areas (3)

Smart Grid Research and Education
Provides reconfigurable Smart Grid Research and Educational Kits with auto-code generation for research and education in renewable energy integration, microgrids, and power electronics
Virtual Synchronous Machine Technology
Develops and commercializes grid-forming VSM inverters with blackstart capability, fault ride-through, virtual inertia, and autonomous grid stability for renewable energy integration
Grid Modernization and Resilience
Provides solutions for autonomous and resilient power systems enabling distributed generation, storage, and flexible loads to participate in grid stability without relying on centralized communication

Locations

Headquarters

10 West 35th Street 10C6-1, 60616, Chicago, Illinois, United States

Operating locations (1)

604 Executive Dr., Willowbrook, Illinois, United States

Service regions

United StatesAustraliaUnited KingdomFranceIndiaSaudi ArabiaBrazilItalyTurkeyChina

Projects

Texas Tech 108-Converter SYNDEM Testbed

OperationalMicrogrid with energy storage and renewable integration

A reconfigurable 100% power-electronic-converters-based microgrid with 108 SYNDEM Smart Grid Research and Educational Kits organized in 12 microgrids and a substation for system-level validation and workforce development

Lubbock, United States

20 VSM Field Tests

OperationalGrid-forming inverter deployment

Completed field tests of 20 grid-forming inverters equipped with Virtual Synchronous Machines technologies demonstrating autonomous voltage regulation, islanding detection, and grid synchronization

Lubbock, United States

Texas Home Grid

OperationalRooftop solar PV, wind energy, and battery storage

A 100% power-electronic-converter-based residential grid powered by five SYNDEM smart inverters (four 3kW solar, one 3kW wind, one 3kW Energy Bridge) capable of autonomous voltage and frequency regulation, islanding, and seamless grid reconnection

United States

State Grid 140 MW Zhangbei VSM Demonstration

OperationalWind farm and solar PV with VSM grid-forming technology

Utility-scale VSM demonstration comprising 59 wind turbines (118 MW), 24 photovoltaic inverters (12 MW), and two 5 MW station-level VSM units demonstrating virtual inertia and fault ride-through capabilities

China