United States Switchgear - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026 - 2031)

According to Mordor Intelligence, the United States switchgear market size is expected to grow from USD 17.31 billion in 2025 to USD 18.12 billion in 2026 and is forecast to reach USD 22.79 billion by 2031 at 4.69% CAGR over 2026-2031.

This report is Segmented by Voltage (Low Voltage, Medium Voltage, and High Voltage), Insulation (Gas Insulated Switchgear, Air Insulated Switchgear, and Others), Current Type (AC Switchgear and DC Switchgear), Installation (Indoor and Outdoor), and End-User (Utilities, Residential, Commercial, and Industrial). The Market Sizes and Forecasts are Provided in Terms of Value (USD).

United States Switchgear Market Trends and Insights

Rising U.S. Electricity Demand & Network Expansion

Annual electricity-demand forecasts have shifted sharply upward as data-center operators plan to double national load shares by 2028, rising from roughly 3% in 2023 to as high as 12%. Industrial Info Resources tracks 495 U.S. data-center projects valued at USD 212 billion that are scheduled to break ground during 2025 and require multiple redundant medium-voltage switchgear lineups to achieve "four-nines" uptime. Natural-gas developers have queued 29,700 MW of new generation capacity for completion between 2025 and 2027, each station demanding transmission-class breakers and protective relays at interconnection nodes. The swell in peak-load obligations has prodded utilities in Texas, Virginia, and California to accelerate substation builds and feeder reconductoring that specify modular GIS or metal-clad AIS switchgear to cut on-site construction time. Regional planners have begun revising reliability-reserve margins upward, forcing earlier procurement cycles for replacement gear as legacy installations approach capacity limits.

Accelerating Renewable-Energy Interconnections

Nearly 2,600 GW of solar, wind, and storage projects now sit in interconnection queues, but only one-fifth historically reach commercial operation, underscoring the importance of regions, such as ERCOT and CAISO, whose streamlined rules sustain predictable switchgear demand. High inverter-based resource penetration produces voltage regulation and harmonics challenges; therefore, IEEE 1547 compliance necessitates switchgear that tolerates 200% overvoltage during intentional islanding. Component makers are responding with vacuum-interruption devices that possess enhanced dielectric performance and are equipped with embedded digital sensors, compressing relay coordination time to less than 4 ms. Grid operators in California have mandated harmonic-mitigation schemes at renewable point-of-interconnection, driving uptake of synchronous condensers coupled with fast-operating generator-switch breakers. As backlogs clear, clusters of renewable projects funnel large orders toward high-voltage GIS bays, which are assembled in prefabricated E-houses that shorten field wiring by 40%.

Stringent Safety & Environmental Regulations

New York's 6 NYCRR Part 495 starts phasing out SF6 in January 2026, compelling utilities to file annual emission inventories and seek case-by-case exemptions for life-extension projects. Massachusetts has capped annual leak rates for new gas-insulated gear at 1% while requiring end-of-life gas reclamation and chain-of-custody documentation. Compliance elevates the total cost of ownership by roughly USD 50,000 per 38-kV breaker to cover leak-detection sensors, certified handling crews, and reporting software. OEMs benefit in the long run, but near-term budgets strain as utilities re-specify projects or accelerate purchases ahead of cutoff dates. Smaller municipal systems often face staff shortages in environmental reporting, which can further delay procurement and occasionally lead to the use of refurbished legacy breakers that fall outside new equipment rules.

Other drivers and restraints analyzed in the detailed report include:

1. Grid-Modernization Funding (IIJA, IRA, State Bonds)
2. Surging Data-Center Build-Out (AI & Cloud)
3. High Upfront CAPEX for Advanced MV/HV Gear

For complete list of drivers and restraints, kindly check the Table Of Contents.

Segment Analysis

High-voltage equipment is the clear growth engine, advancing at 6.54% CAGR versus the overall United States switchgear market's 4.69% trajectory, even though low-voltage retained 40.02% 2025 share. This momentum stems from federal programs that underwrite the construction of new 345-kV and 500-kV corridors to transport renewable power from resource basins to population centers. The United States switchgear market size allocated to the high-voltage tier is expected to increase proportionally as regional transmission operators double their capacity to meet 2050 clean-energy targets.

Manufacturers are scaling accordingly: GE Vernova's g3 420-kV breaker demonstrator, funded with USD 3.7 million from the Department of Energy, validates large-format SF6-free technology. Hitachi Energy is duplicating 245-kV gas-management systems in Pennsylvania, while Siemens Energy's Blue portfolio progresses through UL listing for U.S. applications. Collectively, these moves confirm that high-voltage accounts will capture a growing share of the United States switchgear market through 2031.

Air-insulated switchgear (AIS) accounted for 62.41% of 2025 revenue, while vacuum and solid-insulated systems are posting a robust 12.55% CAGR, significantly outpacing the growth rate of the United States switchgear market. Environmental policies targeting SF6 and land-use limits in urban substations lead utilities to favor compact, sealed, and maintenance-light gear that also offers higher internal-arc ratings.

The United States switchgear market size tied to "other insulation" is expected to rise as ABB's AirPlus and Siemens' clean-air platforms gain 17 state qualifications by 2027, accelerating replacement cycles across wildfire-prone California feeders. ABB's decision to open intellectual property access to AirPlus expedites cross-industry learning curves and reduces OEM risk premiums, further eroding AIS's market share.

Complete Report Scope:

• By Voltage
  • Low Voltage
  • Medium Voltage
  • High Voltage
• By Insulation
  • Gas Insulated Switchgear (GIS)
  • Air Insulated Switchgear (AIS)
  • Others
• By Current Type
  • AC Switchgear
  • DC Switchgear
• By Installation
  • Indoor
  • Outdoor
• By End-User
  • Utilities
  • Residential
  • Commercial
  • Industrial

List of Companies Covered in this Report:

1. ABB Ltd.
2. Schneider Electric SE
3. Siemens AG
4. Eaton Corporation plc
5. General Electric Company
6. Mitsubishi Electric Corporation
7. Hitachi Energy Ltd.
8. Powell Industries Inc.
9. Hubbell Incorporated
10. S&C Electric Company
11. G&W Electric Company
12. nVent Electric plc
13. Toshiba Corporation
14. Larsen & Toubro Limited
15. CG Power & Industrial Solutions
16. Lucy Electric Ltd.
17. Hyundai Electric & Energy Systems
18. Rockwell Automation, Inc.
19. Vertiv Group Corp.
20. Russelectric, A Siemens Business

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support