Residential Generators Market Size and Share

Residential Generators Market Analysis by Mordor Intelligence
The Residential Generators Market size is estimated at USD 5.38 billion in 2025, and is expected to reach USD 7.58 billion by 2030, at a CAGR of 7.09% during the forecast period (2025-2030).
Worsening grid reliability, more severe weather, and higher household power loads are converting standby generation from a discretionary purchase into essential infrastructure. Natural-gas units keep a cost edge over diesel sets, while solar-battery hybrids accelerate as emission rules tighten. Demand also benefits from aging transmission assets, fast-growing home charging for electric vehicles, and a broader “work-from-anywhere” lifestyle that pushes power continuity into the realm of business continuity. Competitive intensity remains high, yet market leadership is concentrated. Generac is leveraging vertical integration, acquisitive growth, and strong dealer networks to stabilize margins even as new entrants promote cleaner hybrid alternatives.
Key Report Takeaways
- By fuel type, natural gas led with 35.1% of residential generators market share in 2024, while solar-battery hybrids are projected to post the fastest 11.1% CAGR through 2030.
- By power rating, the 3-10 kW band commanded 42.5% share of the residential generators market size 2024; the 10-20 kW category is set to advance at a 7.8% CAGR through 2030.
- By phase, single-phase units dominated with an 87.8% share in 2024 and are also projected to grow at 7.2% through 2030.
- By type, portable units held 44.3% revenue share in 2024, while standby models are expected to grow at an 8.3% CAGR until 2030.
- By technology, conventional sets secured a 64.6% share in 2024; hybrid systems integrating batteries and smart controls will record a 10.9% CAGR to 2030.
- By geography, North America accounted for 38.2% of 2024 global revenue, whereas Asia-Pacific is forecast to post an 8.6% CAGR, the fastest worldwide.
Global Residential Generators Market Trends and Insights
Drivers Impact Analysis
| Driver | (~) % Impact on CAGR Forecast | Geographic Relevance | Impact Timeline |
|---|---|---|---|
| Extreme-weather-related outages | +1.8% | North America, Europe | Medium term (2-4 years) |
| Aging T&D infrastructure | +1.5% | North America, Europe, Asia-Pacific | Long term (≥ 4 years) |
| Expansion of residential natural-gas grids | +1.2% | North America, Asia-Pacific | Medium term (2-4 years) |
| Work-from-anywhere electronics loads | +1.0% | Developed markets | Short term (≤ 2 years) |
| Hybrid solar-storage-generator packages | +0.9% | California, EU | Medium term (2-4 years) |
| Grid-cybersecurity breach concerns | +0.6% | North America, Europe | Long term (≥ 4 years) |
| Source: Mordor Intelligence | |||
Growing frequency of extreme-weather-related outages
Climate-driven disruptions climbed 74% over the past decade, with storms behind 80% of major U.S. outages from 2000-2023.(1)Source: Oliver Milman, “US Seeing Rise in Climate-Related Power Outages, Report Says,” The Guardian, theguardian.com Hurricane Beryl left 2.2 million Houston customers offline in 2024, triggering record generator sales.(2)Source: Robinson Meyer, “Houston Is on the Brink of an All-Out Power Crisis,” The Atlantic, theatlantic.com Utilities now pre-emptively cut service during wildfire conditions, so homeowners treat backup power as a core asset. Generator-equipped houses earn 3-5% valuation premiums and average 5% insurance discounts.(3)Source: Briggs & Stratton Corp., “Insurance Discounts for Backup Home Generators & Battery Storage Systems,” energy.briggsandstratton.com This driver keeps baseline demand resilient across income tiers.
Aging transmission & distribution infrastructure
Roughly 70% of U.S. transmission lines are older than 25 years, leaving systemic weak spots while modernization funding lags.(4)Source: Department of Energy data cited in “What the U.S. Power Grid Needs To Survive Climate Change,” Environment + Energy Leader, environmentenergyleader.com The American Society of Civil Engineers pegs the grid upgrade need at USD 2 trillion, yet project pipelines remain slow. Peak demand forecasts have nearly doubled to 852 GW by 2028, widening the reliability gap.(5)Source: Verisk Analytics, “The Challenges and Opportunities Facing America's Aging Electrical Grid,” core.verisk.com Households bridge that gap with residential generator market purchases.
Expansion of residential natural-gas grids
Kinder Morgan is enlarging Southeast pipeline capacity to satisfy “jaw-dropping” demand for power generation fuels. Southwest Gas is adding 1.25 bcf/day in Nevada to serve new homes and standby units.(6)Source: Southwest Gas Holdings, “Great Basin Expansion Project Shows Strong Interest,” swgasholdings.com This pipeline build-out underpins the residential generators market’s tilt toward natural-gas sets by cutting fuel logistics risk relative to gasoline or diesel.
Work-from-anywhere surge in load-critical electronics
Hybrid work models elevate residential offices to mission-critical status. Video calls, cloud access, and security devices tolerate zero downtime. Electric-vehicle home chargers and smart-home ecosystems boost base-load requirements, so whole-house standby solutions gain favor. Portable sets still sell, but rising comfort with remote employment widens the install base for automatic generators.
Restraints Impact Analysis
| Restraint | (~) % Impact on CAGR Forecast | Geographic Relevance | Impact Timeline |
|---|---|---|---|
| Tightening small-engine emission limits | -1.2% | California, EU | Medium term (2-4 years) |
| Municipal noise / zoning restrictions | -0.8% | Urban areas worldwide | Short term (≤ 2 years) |
| Falling Li-ion home-battery costs | -0.6% | Developed markets | Medium term (2-4 years) |
| Insurance rebates favoring zero-emission backup | -0.4% | California, EU | Long term (≥ 4 years) |
| Source: Mordor Intelligence | |||
Tightening small-engine emission limits
California’s Small Off-Road Engine rule moves to a zero-emission mandate by 2028, shrinking the addressable combustion-engine pool. The EU’s Stage V standard requires costly after-treatment that inflates retail prices. Manufacturers accelerate hybrid and fuel-cell R&D to stay compliant, but near-term margin pressure and SKU retirements drag growth.
Municipal noise / zoning restrictions
Generator noise can top 100 dB(A) without mitigation, while many cities cap nighttime sound at 45-55 dB(A). Setback rules, such as San Diego County’s 260-foot distance for 10 kW units, raise installation cost and complexity. Developers now specify factory-installed attenuating enclosures, adding USD 2,000-5,000 per system.
Segment Analysis
By Fuel Type: Natural-gas leadership meets hybrid ascent
Natural-gas sets secured 35.1% of the residential generator market share in 2024. Their lower operational cost, pipeline availability, and cleaner emissions relative to diesel underpin continued dominance. Solar-battery hybrids, however, will post an 11.1% CAGR as policy incentives close the upfront cost gap. Diesel positions endure in rural off-grid areas, while gasoline remains prevalent in portable niches. Propane gains in regions lacking pipeline gas, offering long shelf life and lower NOx output. The fuel mix signals gradual decarbonization, yet the residential generators market retains a transitional profile through 2030.
Homeowners concerned about outages longer than 72 hours value unlimited natural-gas runtime. Yet in fire-prone California, battery-centric hybrids achieve material penetration, aided by SGIP rebates that can offset up to 70% of system cost. Manufacturers partner with storage firms to present turnkey packages, capturing a premium margin tier inside the residential generators industry.
By Power Rating: Mid-band scale dominates, high-power gains
Units rated 3-10 kW accounted for 42.5% of the residential generators market size 2024, matching the load of typical HVAC, refrigeration, and lighting circuits. Growth momentum shifts to the 10-20 kW class, expected to climb at 7.8% annually as whole-house coverage displaces essentials-only backup. The launch of Generac’s air-cooled 28 kW model illustrates a push into higher power while retaining residential-grade footprints. Above 20 kW systems sit at the crossover with light commercial use, driven by luxury residences and small enterprises operating from home. Conversely, sub-3 kW inverters serve camping, tailgating, and tool-power needs, a stable but slower-growing slice.

Note: Segment shares of all individual segments available upon report purchase
By Phase: Single-phase prevalence sustains
Single-phase architecture covers 87.8% of the 2024 demand. The format aligns with standard residential utility service, simplifying installation and permitting. Three-phase sets, while niche, stay relevant for estates with heavy motor loads or workshops. Retrofit of three-phase service often triggers costly utility upgrades, so most homeowners choose larger single-phase units instead.
By Type: Portable volume leadership, standby value surge
Portable models represented 44.3% of 2024 revenue thanks to lower entry pricing and DIY mobility. Yet standby sets will outrun at an 8.3% CAGR through 2030 as automatic transfer switches, remote monitoring, and built-in fuel lines remove operational hassle. Production ramps at Briggs & Stratton’s Auburn site illustrate capacity commitments toward standby lines. Inverter technology blurs category lines by enabling portable systems that throttle RPM to demand, cutting fuel burn and noise.

Note: Segment shares of all individual segments available upon report purchase
By Technology: Conventional core, hybrid springboard
Conventional alternator-engine pairs still hold 64.6% share, yet hybrid units combining lithium storage, solar inputs, and bidirectional EV-charger links will increase fastest at 10.9%. Atlas Copco’s ZenergiZe and EcoFlow’s DELTA Pro 3 prove market appetite for compact, silent, and digitally managed platforms. Conventional platforms respond with integrated CO sensors and electronic fuel injection to meet safety codes and emission limits.
By Application: Emergency backup anchors demand
Emergency backup comprised 69.4% of 2024 shipments and will track a 7.3% CAGR as grid events multiply. Utility rebate programs, such as PG&E’s USD 300 generator credit, underscore the central role of backup power in resilience planning. Prime/continuous use covers remote cabins and islands lacking reliable service, while recreational demand aligns with RV shipments and outdoor leisure growth.

Note: Segment shares of all individual segments available upon report purchase
Geography Analysis
North America captured 38.2% of global revenue in 2024, cementing its status as the largest regional contributor to residential generators market growth. Frequent hurricanes, ice storms, and wildfire-related de-energization drive purchase urgency. Generac’s tie-up with Highland Homes embeds standby units into new Texas builds, signaling a migration from aftermarket to builder-installed solutions. U.S. federal grid-hardening grants of USD 2 billion also amplify consumer awareness. Natural-gas pipeline expansion and regulatory clarity on emissions compliance keep the fuel option affordable and accessible.
Asia-Pacific delivers the steepest trajectory at 8.6% CAGR. Rapid urbanization stresses legacy grids, while tropical storms heighten outage risk. Generac’s majority stake in Captiva gives it manufacturing proximity and channel access in India, a market with 300-plus annual outage hours in some states. Chinese and Indian OEMs supply budget portables globally, intensifying price competition and broadening the total addressable base.
Europe retains solid though slower expansion. Stricter Stage V rules accelerate hybrid uptake, and extreme weather events, including 2024’s record flooding, expose grid fragility. Energy-security policies after geopolitical disruptions further encourage home resilience investments. Subsidies for storage and efficiency retrofits also feed hybrid generator adoption across Germany, France, and the Nordics.

Competitive Landscape
The residential generators market is highly concentrated. Generac holds near-75% of the North American standby segment, supported by more than 7,000 dealers, proprietary engine technology, and software platforms. Its acquisition spree—MOTORTECH (gaseous controls), PowerPlay (commercial storage), and Off Grid Energy (mobile batteries)—extends its moat into components and microgrids. Briggs & Stratton differentiates through Vanguard engines and residential-focused financing programs. Rehlko (formerly Kohler Energy) leverages brand legacy to penetrate premium segments, while Cummins competes on global servicing reach and diesel expertise.
Emergent challengers emphasize lithium-battery integration and smartphone orchestration. EcoFlow advances modular power stations with solar input, while Bluetti markets inverter hybrids for portable and small-home niches. Automotive suppliers eye bidirectional vehicle-to-home charging as an alternative to stationary gensets, though scale is several years out.
Residential Generators Industry Leaders
Generac Holdings Inc.
Kohler Co.
Briggs & Stratton Corporation
Cummins Inc.
Honda Motor Co., Ltd.
- *Disclaimer: Major Players sorted in no particular order

Recent Industry Developments
- July 2025: Generac and Highland Homes agreed to pre-install backup systems in new Texas residences.
- May 2025: Generac finalized the Off Grid Energy acquisition to broaden mobile storage offerings.
- April 2025: Generac completed the MOTORTECH purchase, expanding European gaseous-engine controls.
- April 2025: Generac introduced a 26 kW Guardian air-cooled standby model with virtual-power-plant readiness.
Global Residential Generators Market Report Scope
| Diesel |
| Natural Gas |
| Gasoline |
| Solar-Battery Hybrid |
| Others |
| Below 3 kW |
| 3 to 10 kW |
| 10 to 20 kW |
| Above 20 kW |
| Single-Phase |
| Three-Phase |
| Portable Generators |
| Standby Generators |
| Inverter Generators |
| Conventional |
| Inverter |
| Hybrid |
| Emergency Backup |
| Prime/Continuous |
| Recreational / Outdoor |
| North America | United States |
| Canada | |
| Mexico | |
| Europe | Germany |
| United Kingdom | |
| France | |
| Italy | |
| NORDIC Countries | |
| Russia | |
| Rest of Europe | |
| Asia-Pacific | China |
| India | |
| Japan | |
| South Korea | |
| ASEAN Countries | |
| Rest of Asia-Pacific | |
| South America | Brazil |
| Argentina | |
| Rest of South America | |
| Middle East and Africa | Saudi Arabia |
| United Arab Emirates | |
| South Africa | |
| Egypt | |
| Rest of Middle East and Africa |
| By Fuel Type | Diesel | |
| Natural Gas | ||
| Gasoline | ||
| Solar-Battery Hybrid | ||
| Others | ||
| By Power Rating | Below 3 kW | |
| 3 to 10 kW | ||
| 10 to 20 kW | ||
| Above 20 kW | ||
| By Phase | Single-Phase | |
| Three-Phase | ||
| By Type | Portable Generators | |
| Standby Generators | ||
| Inverter Generators | ||
| By Technology | Conventional | |
| Inverter | ||
| Hybrid | ||
| By Application | Emergency Backup | |
| Prime/Continuous | ||
| Recreational / Outdoor | ||
| By Geography | North America | United States |
| Canada | ||
| Mexico | ||
| Europe | Germany | |
| United Kingdom | ||
| France | ||
| Italy | ||
| NORDIC Countries | ||
| Russia | ||
| Rest of Europe | ||
| Asia-Pacific | China | |
| India | ||
| Japan | ||
| South Korea | ||
| ASEAN Countries | ||
| Rest of Asia-Pacific | ||
| South America | Brazil | |
| Argentina | ||
| Rest of South America | ||
| Middle East and Africa | Saudi Arabia | |
| United Arab Emirates | ||
| South Africa | ||
| Egypt | ||
| Rest of Middle East and Africa | ||
Key Questions Answered in the Report
How large is the residential generators market in 2025?
It is valued at USD 5.38 billion in 2025 and is on track to reach USD 7.58 billion by 2030, growing at a 7.09% CAGR.
Which fuel type leads household generator sales?
Natural-gas models hold 35.1% market share thanks to pipeline reach, low operating cost, and easier emissions compliance.
What is driving Asia-Pacific demand for home generators?
Rapid urban growth, greater weather-related outages, and rising disposable income push the region toward an 8.6% CAGR through 2030.
Why are standby generators gaining over portable units?
Automatic transfer capability, whole-house coverage, and falling installation costs give standby sets an 8.3% CAGR edge versus portables.
How do emissions rules affect generator selection?
California’s zero-emission path and EU Stage V diesel limits raise costs for traditional engines, steering buyers toward hybrids and battery-integrated solutions.




