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Last updated: January 2026
This directory lists 43 power generation equipment manufacturers across the United States, from specialized synchronous generator fabricators to comprehensive providers of gas turbine-generator sets and complete combined cycle power plants.
Buyers are typically solving critical energy challenges such as achieving energy independence from volatile grids, ensuring robust baseload power for industrial operations, or strategically deploying peaking units to manage grid resiliency. The chosen equipment must often integrate seamlessly with existing SCADA systems, optimize fuel consumption, and meet increasingly stringent emissions compliance standards, all while delivering predictable power output.
The landscape of manufacturers spans several distinct types: original equipment manufacturers (OEMs) who design and build primary power generation units like large gas or steam turbines and reciprocating engines; specialized packagers who integrate core engine components with auxiliary systems, control panels, and enclosures; and system integrators who can manage the entire balance of plant (BOP) scope, from switchgear and transformers to cooling towers and fuel delivery systems. Each offers varying levels of vertical integration and scope of supply, impacting project management complexity and single-point accountability.
Successful engagement with these manufacturers requires buyers to come prepared with detailed project specifications, including desired net power output, specific fuel types (e.g., natural gas, hydrogen blends, diesel, biogas), ambient site conditions, anticipated load profiles, and critical grid interconnection requirements. Suppliers, in turn, expect a clear understanding of the project's financial model, PPA terms if applicable, and long-term operational and maintenance (O&M) expectations to tailor their proposals effectively.
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43 companies nationwide
Based in St. Augustine, FL, 2G Energy manufactures highly efficient, low-emission cogeneration systems for on-site power generation. They offer product lines for biogas, natural gas, propane, and hydrogen, specializing in Combined Heat and Power (CHP) and microgrid applications. The company provides sustainable and resilient energy solutions.
Ameresco is a full-service energy partner specializing in sustainable energy infrastructure, efficiency, and decarbonization solutions. They engineer and deploy cogeneration, solar energy, battery energy storage systems, and microgrids to provide firm, renewable energy supply and enhance grid stability for commercial and industrial clients.
Babcock Power provides innovative steam generation equipment design and comprehensive power plant services. Based in Fort Washington, PA, the company delivers expertise across the energy spectrum, supporting projects involving biomass, wind, solar, coal, gas, and oil with specialized business units.
Bloom Energy, based in San Jose, CA, manufactures onsite power generation solutions. Their Energy Server converts fuels like natural gas, biogas, and hydrogen into electricity without combustion, utilizing fuel cell technology. They provide primary power, microgrid, and off-grid solutions for reliable enterprise energy.
Capstone Green Energy manufactures low-emission, oil-free microturbine systems for various power generation needs. Their solutions include combined heat and power (CHP), combined cooling, heating, and power (CCHP), and renewable energy applications from waste gas, hydrogen, and RNG for industrial sectors.
Based in Ball Ground, GA, Chart Industries manufactures highly engineered equipment for clean energy and industrial gas markets. They offer solutions across the liquid gas supply chain, including application-specific turboexpanders. Their products aid decarbonization and sustainability, serving diverse industrial applications such as power generation and associated processes.
Based in St. Louis, MO, CK Power manufactures and distributes power generation solutions and power units. They specialize in off-highway engines, industrial and commercial generators, marine applications, and hybrid power systems. The company provides prime power and standby backup power for diverse markets.
DuroMax Power Equipment specializes in providing a comprehensive range of portable power generators. Offerings include compact digital inverters for RVs and recreation, robust open-frame models for jobsites, and whole home backup generators, serving both residential and commercial needs.
Based in Cincinnati, OH, ELSCO Transformers manufactures high-quality medium-voltage transformers, including dry type and padmount models. They produce transformers in 500-2500 KVA ratings and 2400-34,500 primary voltages, ensuring efficient, uninterrupted power for their customers.
Enginuity Power Systems manufactures advanced engine technology for scalable Combined Heat and Power (CHP) systems. Their 100kW and 200kW solutions, including UL 2200 certified models, provide resilient, efficient, and cost-saving power generation. These systems reduce emissions and offer black start capability.
Gen-Tech USA, based in Tucson, AZ, specializes in custom-engineered energy systems and turnkey installations for power generation. The company provides generator sales, rentals, and 24/7 emergency support to industrial, commercial, and municipal clients. Operating across the Western U.S. with branches in Arizona, Colorado, Nevada, and New Mexico, it delivers reliable on-site power.
Based in St. Paul, MN, GE Vernova provides advanced energy technologies and performs engineering studies for distributed generations. The company focuses on breakthrough innovation to deliver the energy solutions the world needs, transforming energy technology globally.
Halus Power Systems remanufactures commercial wind turbines, specializing in midsize Vestas models (65-600kW). The company designs and manufactures wind turbine control systems and related components in its San Leandro, California facility. It also provides project management, engineering, permitting, and maintenance services for wind projects.
Based in Santa Ana, CA, Instanton Energy designs, builds, and commissions advanced Demand Response Enabled Microgrid Solutions. They specialize in on-site renewable energy generation, incorporating fuel cells and energy storage. The company offers modular microgrids under an Energy as a Service (EaaS) model, providing resilient and sustainable power solutions.
Koch Applied Solutions provides cogeneration systems designed to enhance energy security, reduce environmental impact, and optimize operational efficiency for industrial and commercial clients. These systems contribute to more sustainable and efficient power generation solutions.
Based in Richmond, IL, Olsun Electrics Corporation manufactures a comprehensive range of electrical transformers. They specialize in dry type, substation, encapsulated, pad-mounted, cast coil, and drive isolation transformers, among others. These products are vital for power distribution, generation, and various industrial applications.
Paget Equipment fabricates high-quality heat transfer and process equipment, specializing in stainless steel. They manufacture critical components for the energy and cogeneration industry, including heat recovery steam generators, pressure vessels, heat exchangers, and condensers, ensuring optimal performance and efficiency.
Based in Canonsburg, PA, Pennsylvania Transformer Technology, LLC designs and manufactures oil-filled power transformers from 5 MVA to 750 MVA through 765kV. They serve utility, industrial, data center, renewable, and BESS applications from ISO-certified U.S. facilities, offering nearly a century of expertise.
Based in Valdosta, GA, Powerhouse Diesel Generators manufactures commercial and industrial power generation equipment in the U.S. The company provides standard and custom diesel and natural gas generators, including prime towable and robust backup solutions, for diverse industries from their Valdosta facility.
PEKO Precision Products provides full-service contract manufacturing for complex machinery, equipment, and precision electromechanical assemblies. Specializing in custom machine builds, turnkey equipment, and sheet metal fabrication, PEKO serves renewable energy, industrial, medical, and defense industries, bringing new hardware and technology to market.
Based in Jupiter, FL, PSM provides engineered gas turbine solutions, including upgrades and aftermarket retrofits. The company delivers flexible, reliable, and efficient offerings to improve lifecycle costs and reduce emissions, supporting various F-class and B/E class frames within the power generation sector.
Based in Ridgewood, NJ, Scale Microgrid Solutions LLC designs, builds, operates, and finances custom microgrid systems and distributed energy solutions. The company integrates on-site power generation assets for commercial and industrial facilities. They deliver turnkey energy solutions promoting cost savings, sustainability, and resilience for clients.
Siemens Energy manufactures and services large power transformers, essential components for power generation and strengthening the energy grid. The company is expanding its manufacturing footprint in North Carolina to produce for the growing U.S. market, supporting projects for low emissions and sustainable energy systems.
Based in Irvine, CA, SunGoldPower specializes in the design and manufacture of green energy products. They provide various power generation equipment, including solar panels, hybrid solar inverters, and energy storage systems. Offerings range from LiFePO4 lithium batteries to complete off-grid solar kits.
Based in Clinton, MS, Taylor Power Systems designs, manufactures, and distributes dependable backup and prime power generators. They offer tailored power solutions for residential, commercial, industrial, and agricultural applications, including standby, trailer-mounted, wellhead gas, and intermodal units, ensuring reliable operation for various needs.
Based in North Billerica, MA, Tecogen, Inc. manufactures combined heat and power (CHP) systems and engine-driven chillers. These systems provide efficient, reliable, and clean on-site energy production and cooling for commercial and industrial facilities. Tecogen's solutions increase resiliency, lower energy costs, and reduce greenhouse gas emissions.
Based in Fresno, CA, Sungrow US manufactures advanced renewable energy solutions for the North American market. The company provides comprehensive solar power systems, including string and central inverters, and utility-scale and commercial energy storage systems, along with MV power converters and hybrid inverters.
Based in Portland, OR, Vestas American Wind Technology manufactures, installs, and services onshore and offshore wind turbines in the U.S. and Canada. A market leader in the North American wind industry, the company operates factories in Colorado, supplying crucial components for its extensive installed base.
Virginia Transformer, a US-owned manufacturer, specializes in custom power transformers for diverse industries. The company produces reliable, long-lasting transformers using advanced technology and dedicated engineers. Serving utilities, renewables, C&I, O&G, data centers, and EV charging, they provide essential equipment crucial for power generation and distribution infrastructure.
WATT Fuel Cell develops and manufactures Solid Oxide Fuel Cell (SOFC) systems in Mount Pleasant, PA. The company provides disruptive clean power generation technology, operating on natural gas and propane. Their distributed energy solutions serve residential, remote, and recreational power applications.
Pioneer Power Solutions, headquartered in Fort Lee, NJ, manufactures, sells, and services specialty electrical transmission, distribution, and on-site power generation equipment. The company provides solutions for utility, industrial, commercial, and backup power markets, operating from multiple U.S. locations.
Arcosa Wind Towers, Inc. manufactures structural wind towers for the North American market. Based in Dallas, TX, the company produces essential components for wind power generation. As a division of Arcosa, Inc. it contributes to the energy equipment sector.
Cummins designs, manufactures, and tests all major components of its generator sets, including engines, alternators, and control systems. Based in Columbus, IN, the company provides integrated power generation solutions, ensuring harmony across its components. Cummins serves diverse industrial and commercial power needs with its comprehensive manufacturing capabilities.
Distributed Power Solutions (DPS) offers comprehensive power solutions, focusing on rapid deployment mobile power generation and scalable systems. The company specializes in delivering efficient and adaptable power generation equipment for various applications.
ELM MicroGrid specializes in providing Battery Energy Storage Systems (BESS) for a range of power applications. Their comprehensive product lineup includes systems from 20kW to 1MW, offering scalable solutions with parallel capabilities to meet diverse energy storage demands.
Briggs & Stratton is a leading US-based manufacturer of engines and power generation equipment, including portable and standby generators. The company designs and produces robust generators to ensure uninterrupted power for homes and businesses during outages. They focus on reliable solutions for various energy needs.
Generac Power Systems, based in East Long Meadow, MA, has manufactured generators and power solutions since 1959. The company is committed to building reliable, durable, efficient, and environmentally-friendly power generation equipment, serving a wide range of applications.
Based in Elkhart, IN, Gillette Generators manufactures a comprehensive range of power generation equipment. Their product lineup includes standby, commercial gas, industrial diesel, portable, and prime generators. They specialize in T4F-Stage 5 prime diesel generators, suitable for various demanding applications such as wastewater facilities and industrial warehouses.
Based in Fremont, CA, SolarEdge Technologies designs and manufactures optimized inverter solutions for photovoltaic (PV) systems. They provide power optimizers, solar inverters, and an energy management platform for residential, commercial, and utility-scale solar energy generation, enhancing power harvest and system monitoring capabilities.
Based in Orem, UT, SunPower provides comprehensive residential and commercial solar solutions. They offer premium solar panel systems, battery storage, and custom energy solutions. The company focuses on empowering energy independence through cutting-edge solar technology for homes and businesses.
Based in Washington, MO, WEG Transformers USA manufactures distribution and power transformers. They produce three-phase, liquid-filled units up to 350 MVA for utility, industrial, and renewable energy markets. Their US facilities specialize in units up to 161kV, supporting power transformation across North America with a focus on efficiency.
Based in Houston, TX, Power Generation Industries manufactures industrial natural gas generators. They offer clean-burning, cost-effective engines ranging from 35kW to 2000kW, designed for extended run times and environmental efficiency, serving industrial clients.
Siemens manufactures power generation equipment, including systems for automatic operation of on-site power generators. The company focuses on pioneering innovations to boost industry efficiency, intelligence, and sustainability, delivering value to customers and society globally.
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Beyond the prime mover and generator, critical BOP elements include the fuel delivery and treatment systems (e.g., gas compressors, liquid fuel pumps), the cooling system (e.g., air-cooled condensers, cooling towers), the exhaust system (e.g., silencers, catalytic converters for emissions), the lubrication oil system, switchgear and transformers for grid connection, and the entire SCADA and control system. Poor integration or under-specced components in any of these areas can severely degrade the overall plant's efficiency, reliability, and regulatory compliance, making it crucial to evaluate the supplier's expertise across the full scope.
Grid interconnection requirements are paramount. Utilities often have stringent demands for reactive power compensation, fault ride-through capabilities, synchronous condenser operation, and specific grid codes (e.g., NERC/FERC). Your chosen generator technology (e.g., synchronous vs. asynchronous) and the supplier's experience with the associated excitation systems, protective relaying, and grid synchronization protocols directly influence your ability to connect reliably and avoid costly system impact study delays or required grid upgrades. A manufacturer with proven expertise in navigating these complex studies can be invaluable.
A manufacturer specializing in simple cycle gas turbines typically provides units optimized for quick startup and peaking power, where efficiency isn't the sole driver. Combined cycle plant manufacturers, conversely, integrate gas turbines with heat recovery steam generators (HRSG) and steam turbines to recover exhaust heat and generate additional electricity, significantly boosting overall thermal efficiency (often from ~35-40% to ~55-60%). For baseload power where fuel costs are a major operational expenditure, a combined cycle plant offers much lower operating costs per MWh, despite higher initial CAPEX. Your project's intended operational profile and long-term economic model should dictate the choice.