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Part of: Diesel Generator Market (Global)

The US Diesel Generator Market was valued at $3444.4 Million in 2026 and projected to reach to $4583.4 Million by 2031, representing a compound annual growth rate of 5.9%. The US diesel generator market is poised for sustained growth through 2031, driven by critical infrastructure modernization initiatives and rising concerns over power grid stability.

US Diesel Generator Market (2026-2031) : Size and Share
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Market Size in USD 26.32 MN
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US Diesel Generator Market Trends and Insights

  • The US market benefits from robust demand across industrial, commercial, and residential sectors, driven by aging power infrastructure, increasing frequency of grid disruptions, and heightened focus on backup power reliability.
  • In the US, diesel generators remain a critical component of business continuity planning, particularly in data centers, healthcare facilities, and manufacturing operations. Growth in the US diesel generator market is supported by rising investments in infrastructure modernization and the need for uninterrupted power supply across critical facilities.
  • The US market is characterized by strong adoption of advanced diesel generator technologies that offer improved fuel efficiency and reduced emissions.
  • Between 2026 and 2031, the US is expected to see sustained demand as organizations prioritize energy resilience and backup power solutions to mitigate operational risks..

Key Market Statistics

  • CAGR (2026-2031) 5.9% CAGR
  • Market Size, 2026 ~USD 3444.4 Million
  • Forecast, 2031 ~USD 4583.4 Million
  • Country US

US Diesel Generator Market Overview

Market Valuation :

The US diesel generator market is valued at $3,444.4 million in 2026 and is projected to reach $4,583.4 million by 2031, representing significant growth opportunities across the nation.

Consistent Growth Trajectory :

With a steady CAGR of 5.9%, the US market demonstrates resilient demand driven by industrial expansion, commercial facility requirements, and residential backup power needs across diverse regions.

Infrastructure & Grid Reliability Drivers :

Aging power infrastructure and increasing grid disruptions across the US are compelling businesses and households to invest in reliable backup power solutions, fueling market expansion.

Multi-Sector Demand :

Industrial, commercial, and residential sectors in the US are all contributing to market growth, with heightened focus on backup power reliability and business continuity planning.

US Diesel Generator Market Dynamics

  • Industrial facilities, data centers, and healthcare institutions are increasingly prioritizing backup power systems to ensure operational continuity.
  • Additionally, extreme weather events and aging electrical infrastructure across the nation are accelerating adoption rates among commercial and residential consumers seeking dependable power solutions. Regional variations in grid reliability and regulatory frameworks will shape market dynamics across different US states.
  • The market will benefit from technological advancements in fuel efficiency and emissions control, alongside growing awareness of backup power necessity.
  • Strategic investments in renewable energy integration and hybrid power systems are expected to create new opportunities for diesel generator manufacturers and service providers throughout the forecast period..

Related Ecosystem

Engines And Gensets

Top Technologies
  • Fuel Cell
  • Agricultural Tractors
  • Analytics Software
  • Biometric Systems
  • Cogeneration
Top Companies
  • Wartsila
  • Cummins Inc.
  • General Electric Company
  • Siemens ag
  • Caterpillar Inc.

    Power Infrastructure

    Top Technologies
    • Geographical Information System (GIS)
    • Cogeneration
    • Battery Electric Vehicle (BEV)
    • Cellular Network
    • Fuel Cell
    Top Companies
    • Siemens ag
    • ABB India Limited
    • SCHNEIDER ELECTRIC SE
    • General Electric Company
    • Eaton Corporation plc

      Key Takeaways

      • The US diesel generator market will grow from $3,444.4M in 2026 to $4,583.4M in 2031 at a 5.9% CAGR.
      • In the US, critical infrastructure sectors including healthcare, data centers, and manufacturing drive primary demand for diesel generators.
      • The US market is shifting toward advanced diesel generator technologies with improved fuel efficiency and lower emissions compliance.
      • Grid reliability concerns and increasing power outages in the US are accelerating adoption of backup power solutions through 2031.

      Diesel Generator Market Report Scope

      Report Metric Details
      Base Year 2026
      Fastest Growing Segment PORTABLE (Design)
      Forecast Period 2026–2031
      Growth Rate CAGR of 5.9% from 2026 to 2031
      Largest Segment STATIONARY (Design)
      Market Size Base Year (Billions) ~USD 19.23 (2026)
      Revenue Forecast (Billions) ~USD 25.61 (2031)
      Segments Covered Design, Application, Power Rating, End User, Industrial End User, Commercial End User

      US Diesel Generator Market Report Segmentation

      6 segment dimensions are covered across the global market.

      By Design

      • Portable
      • Stationary

      By Application

      • Peak Shaving
      • Prime & Continuous Power
      • Standby Power

      By Power Rating

      • 281–500 Kw
      • 501–2,000 Kw
      • 51–280 Kw
      • Above 2,000 Kw
      • Up To 50 Kw

      By End User

      • Commercial
      • Construction
      • Data Centers
      • Healthcare
      • Industrial
      • Manufacturing
      • Marine
      • Mining & Metals
      • Oil & Gas
      • Other Commercial End Users
      • Other Industrial End Users
      • Residential
      • Telecom
      • Utilities/Power Generation

      By Industrial End User

      • Construction
      • Manufacturing
      • Marine
      • Mining & Metals
      • Oil & Gas
      • Other Industrial End Users
      • Utilities/Power Generation

      By Commercial End User

      • Data Centers
      • Healthcare
      • Other Commercial End Users
      • Telecom

      US: DIESEL GENERATOR MARKET, BY END USER, 2026–2031

      Segment202620272028202920302031CAGR (%)
      COMMERCIAL992.61057.211261200.41278.41361.36.5
      INDUSTRIAL1971.62086.82208.92340.32477.32621.75.9
      RESIDENTIAL480.2502.1525.1549.6574.5600.44.6
      TOTAL3444.43646.138604090.34330.24583.45.9

      Target Audience

      • Industrial Manufacturers : Need detailed US market data to assess demand for backup power solutions, plan facility investments, and ensure business continuity amid aging infrastructure challenges.
      • Diesel Generator Manufacturers : Require precise US market sizing and growth forecasts to guide production capacity planning, distribution network expansion, and product development strategies.
      • Commercial Real Estate Developers : Seek market insights to understand backup power requirements for new facilities, evaluate generator system specifications, and budget for power reliability infrastructure.
      • Energy & Power Consultants : Need comprehensive US market analysis to advise clients on backup power investments, grid reliability solutions, and optimal generator system selections for their operations.
      • Investment & Private Equity Firms : Require validated market data and growth projections to evaluate investment opportunities in diesel generator manufacturers, distributors, and service providers across the US.

      Key Companies in the US Diesel Generator Market

      CompanyHQOwnershipStrongest segments
      INTERTEK GROUP PLCUnited KingdomPublic CompanyConsumer Products,Corporate Assurance,Health and Safety,
      ABB LTDSwitzerlandPublic CompanyElectrification,Motion,Automation,
      IHI CORPORATIONJapanPublic CompanyResources, Energy and Environment (power systems, carbon solutions, LNG and process equipment),Aero Engine, Space and Defense,Social Infrastructure (bridges, transport systems, shield systems, construction materials),
      CATERPILLARUnited StatesPublic CompanyConstruction Industries,Resource Industries,Energy & Transportation,
      CUMMINS INC.United StatesPublic CompanyEngine,Distribution,Components,
      ROLLS-ROYCE PLCUnited KingdomPublic CompanyCivil Aerospace engines and services,Defence aero, naval, and nuclear,Power Systems (mtu) – onsite power and propulsion,
      MITSUBISHI HEAVY INDUSTRIES, LTD.JapanPublic CompanyThermal Power Generation Systems (gas turbine combined cycle, steam),Nuclear Power Systems and Services,Wind Power and Renewable Generation Equipment,
      WäRTSILäFinlandPublic CompanyEngine and hybrid power plants,Battery energy storage (Quantum BESS portfolio),GEMS Digital Energy Platform and software,
      ATLAS COPCO ABSwedenPublic CompanyCompressor Technique (compressed air and gas, air treatment, gas and process),Vacuum Technique (vacuum pumps, abatement, integrated systems),Industrial Technique (industrial tools, assembly systems, machine vision),
      YAMAHA MOTOR CO., LTD.JapanPublic CompanyMotorcycles and land mobility,Marine (outboards, boats, personal watercraft),Outdoor land vehicles (ATVs, ROVs, golf cars),
      DOOSAN BOBCATSouth KoreaPublic CompanyCompact equipment (loaders, excavators, telehandlers, compact tractors, mowers, utility products, attachments),Material handling (IC and electric forklifts, warehouse equipment),Portable power (air compressors, generators, light towers, industrial air),
      CARRIERUnited StatesPublic CompanyResidential HVAC and Heat Pumps,Commercial and Industrial HVAC,Building Automation and Energy Management,
      ASHOK LEYLANDIndiaPublic CompanyMedium & Heavy Trucks (haulage, tractors, tippers, construction/mining applications),Buses (intercity, staff, school, urban, special application),Light & Small Commercial Vehicles (goods and passenger carriers),
      KIRLOSKARIndiaPublic CompanyEngineered pumps for water, irrigation, and flood-control,Industrial process and utility pumps,Sewage, dewatering, and non-clog submersible pumps,
      GREAVES COTTON LIMITEDIndiaPublic CompanyEngines, gensets, and spares,Electric mobility and other vehicles,Cables, control levers, and motion control systems,
      DENYO CO., LTD.JapanPublic CompanyEngine-driven generators (single phase, three phase, ultra-silent),Welding machines (gasoline and diesel),Air compressors (box, trailer, after-cooler, dry air types),
      KUBOTA CORPORATIONJapanPublic CompanyAgricultural machinery (tractors, rice equipment, implements, post-harvest),Construction machinery (mini excavators, wheel loaders, compact loaders),Engines and industrial machinery,

      INTERTEK GROUP PLC

      Intertek Group PLC is a United Kingdom-based public company founded in 1885 that operates as a global testing, inspection, and certification service provider. With 45,425 employees, the company serves various industries including oil and gas, chemicals, and consumer goods.

      ABB LTD

      ABB Ltd is a Swiss multinational public company established in 1883 specializing in robotics, power, and automation technologies. With 112,700 employees worldwide, ABB serves industrial and utility customers across multiple sectors.

      IHI CORPORATION

      IHI Corporation is a Japanese public company founded in 1853 engaged in engineering, construction, and industrial machinery manufacturing. With 26,224 employees, the company serves aerospace, energy, and infrastructure markets.

      CATERPILLAR

      Caterpillar is a United States-based public company founded in 1925 that manufactures heavy equipment and machinery for construction, mining, and agriculture. With 118,000 employees, it is a global leader in equipment manufacturing and related services.

      CUMMINS INC.

      Cummins Inc. is a United States public company established in 1919 specializing in the design and manufacture of diesel and natural gas engines. With 67,400 employees, the company serves automotive, industrial, and power generation markets worldwide.

      ROLLS-ROYCE PLC

      Rolls-Royce PLC is a United Kingdom public company founded in 1884 specializing in the design and manufacture of aircraft engines and power systems. With 43,162 employees, the company serves civil aerospace, defense, and marine markets.

      MITSUBISHI HEAVY INDUSTRIES, LTD.

      Mitsubishi Heavy Industries, Ltd. is a Japanese public company established in 1884 engaged in manufacturing aerospace, defense, power generation, and industrial equipment. With 78,793 employees, the company operates across multiple industrial sectors globally.

      WäRTSILä

      Wärtsilä is a Finnish public company founded in 1834 providing solutions for the marine and energy sectors, including engines, power plants, and digital services. With 17,938 employees, the company serves shipping and power generation industries worldwide.

      ATLAS COPCO AB

      Atlas Copco AB is a Swedish public company founded in 1873 specializing in industrial tools, compressors, and equipment rental services. With 56,520 employees, the company serves manufacturing, construction, and energy sectors globally.

      YAMAHA MOTOR CO., LTD.

      Yamaha Motor Co., Ltd. is a Japanese public company established in 1918 manufacturing motorcycles, marine engines, and power products. With 55,176 employees, the company operates in automotive, marine, and recreational equipment markets.

      DOOSAN BOBCAT

      Doosan Bobcat is a South Korean public company founded in 1947 specializing in compact construction equipment manufacturing. With 142 employees, the company serves the construction and landscaping industries.

      CARRIER

      Carrier is a United States public company established in 2019 providing HVAC, refrigeration, and fire and security solutions. With 47,000 employees, the company serves residential, commercial, and industrial customers globally.

      ASHOK LEYLAND

      Ashok Leyland is an Indian public company founded in 1948 manufacturing commercial vehicles and engines. With 9,891 employees, the company serves the transportation and automotive sectors in India and internationally.

      KIRLOSKAR

      Kirloskar is an Indian public company established in 1888 engaged in the manufacture of pumps, engines, and industrial equipment. With 2,582 employees, the company serves agricultural, industrial, and infrastructure sectors.

      GREAVES COTTON LIMITED

      Greaves Cotton Limited is an Indian public company founded in 1859 specializing in diesel engines, power generation equipment, and automotive components. With 1,735 employees, the company serves agricultural, industrial, and transportation markets.

      DENYO CO., LTD.

      Denyo Co., Ltd. is a Japanese public company established in 1948 manufacturing power generators and welding equipment. With 1,362 employees, the company serves construction, industrial, and emergency power markets.

      KUBOTA CORPORATION

      Kubota Corporation is a Japanese public company founded in 1890 specializing in agricultural machinery, engines, and industrial equipment. With 52,503 employees, the company serves agriculture, construction, and industrial sectors globally.

      Reasons to Buy this Report

      • Precise US Market Sizing : Access validated market valuations specific to the United States, with exact figures for 2026 ($3,444.4M) and 2031 ($4,583.4M) enabling accurate financial planning and investment decisions.
      • Sector-Specific Insights : Understand demand patterns across industrial, commercial, and residential segments within the US market, allowing targeted strategy development for different customer categories.
      • Growth Driver Analysis : Identify key US-specific factors including aging infrastructure, grid disruption frequency, and backup power reliability concerns that are directly influencing market expansion.
      • Competitive Positioning : Benchmark your business against the 5.9% CAGR growth rate to assess market competitiveness and identify opportunities for market share capture in the expanding US landscape.
      • Strategic Planning Foundation : Leverage comprehensive US market data to develop informed go-to-market strategies, product positioning, and investment priorities aligned with regional demand dynamics.

      Frequently asked questions

      What is the current size of the US diesel generator market in 2026?

      The US diesel generator market is valued at $3,444.4 million in 2026 and represents a significant segment within the broader North American energy infrastructure.

      What is the projected market size for US diesel generators by 2031?

      The US diesel generator market is forecast to reach $4,583.4 million by 2031, reflecting steady growth driven by infrastructure modernization and backup power demand.

      What is the growth rate (CAGR) for the US diesel generator market?

      The US diesel generator market is expected to grow at a compound annual growth rate of 5.9% between 2026 and 2031.

      Which sectors drive demand for diesel generators in the US?

      In the US, primary demand comes from data centers, healthcare facilities, manufacturing plants, telecommunications infrastructure, and commercial establishments requiring reliable backup power.

      What factors are influencing growth in the US diesel generator market?

      Key growth factors in the US include aging power infrastructure, increasing grid disruptions, regulatory compliance requirements, and heightened organizational focus on business continuity and energy resilience.

      RESEARCH METHODOLOGY

      The study involved major activities in estimating the current size of the diesel generator market. Exhaustive secondary research was done to collect information on the peer and parent markets. The next step was to validate these findings, assumptions, and sizing with industry experts across the value chain through primary research. Both top-down and bottom-up approaches were employed to estimate the complete market size. Thereafter, market breakdown and data triangulation were used to estimate the market size of the segments and subsegments.  

      Secondary Research

      This research study on the diesel generator market involved the use of extensive secondary sources, directories, and databases, such as D&B Hoovers, Bloomberg, Businessweek, Factiva, International Energy Agency, and BP Statistical Review of World Energy, to identify and collect valuable information for a technical, market-oriented, and commercial study of the global diesel generator market. Other secondary sources included annual reports, press releases, and investor presentations of companies, white papers, certified publications, articles by recognized authors, manufacturer associations, trade directories, and databases.     

      Primary Research

      The diesel generator market comprises stakeholders such as diesel generator manufacturers, engine technology providers, control system suppliers, and support providers in the supply chain. On the demand side, the market is driven by the growing adoption of diesel generators across sectors, including data centers, healthcare facilities, commercial buildings, telecommunications, industrial operations, and critical infrastructure, due to their high reliability, rapid response time, ability to provide immediate backup power during outages, and superior operational resilience compared to grid-dependent systems. On the supply side, manufacturers are seeing increasing opportunities through contracts with utilities, industrial end users, and infrastructure developers, as well as through strategic initiatives such as contracts, investments, and partnerships among major players to expand their market presence and technological capabilities. Various primary sources from both the supply and demand sides of the market were interviewed to obtain qualitative and quantitative information. The following is the breakdown of primary respondents:     

      Diesel Generator Market Size, and Share

      Note: The tiers of the companies are defined based on their total revenue as of 2024: Tier 1: >USD 1 billion, Tier 2: USD 500 million–1 billion, and Tier 3: <USD 500 million.    

      Others include sales managers, engineers, and regional managers.

      To know about the assumptions considered for the study, download the pdf brochure

      Market Size Estimation

      Both top-down and bottom-up approaches were employed to estimate and validate the size of the diesel generator market and its dependent submarkets. Key players in the market were identified through secondary research, and their market share in the respective regions was determined through a combination of primary and secondary research. The research methodology involves analyzing the annual and financial reports of top market players and conducting interviews with industry experts, including chief executive officers, vice presidents, directors, sales managers, and marketing executives, to gather quantitative and qualitative insights related to the diesel generator market.   

      Diesel Generator Market : Top-Down and Bottom-Up Approach

      Diesel Generator Market Top Down and Bottom Up Approach

      Data Triangulation

      After determining the overall market size through the estimation process explained above, the total market has been divided into several segments and subsegments. To complete the overall market engineering process and obtain the exact statistics for all segments and subsegments, data triangulation and market breakdown processes have been employed, where applicable. The data has been triangulated by studying various factors and trends from both the demand and supply sides. Additionally, the market has been validated using both top-down and bottom-up approaches.

      Market Definition

      A diesel generator is an electrical generator that uses a diesel engine to produce electricity. It consists of a diesel engine that burns diesel fuel to produce mechanical energy and an alternator that converts the mechanical energy into electrical energy. Diesel generators are used as backup power sources when grid power is unavailable or unreliable, such as in remote areas, industrial settings, hospitals, data centers, and residential buildings. They are known for their reliability, durability, and ability to provide continuous power for extended periods.

      Key Stakeholders

      • Government & research organizations
      • Diesel generator manufacturers and providers
      • Distributors of diesel generators
      • Institutional investors
      • Investors/Shareholders
      • Environmental research institutes
      • Manufacturers’ associations
      • Organizations, forums, alliances, and associations
      • Public & private power generation, transmission & distribution companies (utilities)
      • Industrial manufacturing facility owners
      • State and national regulatory authorities
      • Venture capital firms

      Report Objectives

      • To describe and forecast the diesel generator market, by power rating, design, application, end user, and region, in terms of value
      • To describe and forecast the diesel generator market for various segments with respect to five regions: North America, Europe, Asia Pacific, South America, and the Middle East & Africa, in terms of value
      • To describe and forecast the diesel generator market, by region, in terms of volume
      • To provide detailed information regarding drivers, restraints, opportunities, and challenges influencing the growth of the market
      • To offer a detailed overview of the diesel generator value chain analysis, use case analysis, key stakeholders and buying criteria, patent analysis, trade analysis, tariff analysis, regulations, macroeconomic outlook, pricing analysis, Porter’s five forces analysis, impact of gen AI/AI, and the 2025 US tariff impact
      • To strategically analyze micromarkets with respect to individual growth trends, prospects, and contributions to the total market
      • To understand opportunities in the market for various stakeholders by identifying high-growth segments
      • To strategically profile key players and comprehensively analyze their market position in terms of ranking and core competencies, along with detailing the market’s competitive landscape
      • To analyze growth strategies, such as contracts, investments, expansions, and product launches, adopted by market players in the diesel generator market

      Available customizations:

      MarketsandMarkets offers customizations tailored to the specific needs of companies using the given market data.

      The following customization options are available for the report:

      Product Analysis

      • Product matrix, which gives a detailed comparison of the product portfolio of each company

      Regional Analysis

      • Further breakdown of the diesel generators by country

      Company Information

      • Detailed analysis and profiling of additional market players (up to five)

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