DELRAY BEACH, Fla., Oct. 8, 2026 /PRNewswire/ — According to MarketsandMarkets™, the global Air-Insulated Switchgear Market size is projected to grow from USD 73.90 billion in 2026 to USD 101.61 billion by 2031 at a compound annual growth rate (CAGR) of 6.6% during the forecast period.
Browse 265 market data Tables and 75 Figures spread through 360 Pages and in-depth TOC on ‘Air-Insulated Switchgear Market — Global Forecast to 2031.’
This expansion is supported by the increasing need to strengthen and modernize power networks as electricity consumption rises, generation assets become more geographically distributed, and utilities upgrade aging substations. AIS remains an important technology across utility and industrial power infrastructure because of its established operating characteristics, relatively straightforward maintenance requirements, and suitability for a broad range of medium- and high-voltage applications. Demand is consequently expected to remain closely linked to investments in grid reinforcement, substation replacement, new transmission capacity, and electrification projects.
Over the forecast period, market development is expected to increasingly reflect the changing architecture of power systems rather than conventional grid expansion alone. The rapid addition of renewable generation, electrification of industrial processes and transportation, and development of large electricity-intensive facilities are creating new requirements for reliable switching and protection infrastructure across transmission and distribution networks. At the same time, utilities and asset owners are placing greater emphasis on equipment longevity, operational visibility, environmental performance, and the ability to accommodate future network expansion. These requirements are creating opportunities for AIS manufacturers to differentiate through digital monitoring, advanced protection and control, modular designs, higher fault-handling capabilities, and SF6-free configurations. As a result, the market’s projected growth through 2031 is expected to be shaped by both new grid investment and the technological upgrading of existing switchgear installations.
Air-Insulated Switchgear Market Size & Forecast:
- Market Size Available for Years: 2022–2031
- 2025 Market Size: USD 70.18 billion
- 2031 Projected Market Size: USD 101.61 billion
- CAGR (2026–2031): 6.6%
Air-Insulated Switchgear Market Trends & Insights:
- The Asia Pacific will be the fastest-growing region in the Air-Insulated Switchgear Market, registering a CAGR of 6.9% during 2026-2031.
- Outdoor installations are likely to record a higher CAGR of 8.6% during the forecast period.
- High (above 36 kV) segment in the Air-Insulated Switchgear Market held largest market share in 2025.
- Based on application, transmission & distribution dominated the market, capturing largest market share in 2025.
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The Transmission & Distribution segment, by application, held the largest share of the Air-Insulated Switchgear Market in 2025.
Transmission & Distribution held the largest share of the Air-Insulated Switchgear Market in 2025, underscoring the fact that power utilities remain the single largest buyer group for this equipment. T&D networks rely on AIS at nearly every stage of the power delivery chain, from substations that step voltage up for long-distance transmission to distribution points that bring electricity into homes, businesses, and industrial facilities, making this application the natural core of overall market demand. This dominance is reinforced by the sheer scale of ongoing grid modernization and expansion programs worldwide, where both the replacement of aging infrastructure and the addition of new capacity are channeled primarily through utility-led T&D investment. With renewable energy integration and rising electricity demand placing further pressure on grid infrastructure, Transmission & Distribution is likely to remain the anchor application for AIS demand, even as segments such as industrial and transportation applications continue to gain ground.
Outdoor is set to be the fastest-growing segment during the forecast period.
Outdoor is set to be the fastest-growing installation segment in the Air-Insulated Switchgear Market during the forecast period, driven largely by where new grid capacity is actually being built. Much of the incremental demand for AIS is coming from renewable energy interconnection sites, rural electrification programs, and large-scale transmission reinforcement projects, applications that are inherently located away from dense urban centers and where land availability makes outdoor installation the more economical choice. This growth is further supported by advances in weatherproofing and enclosure design, which are steadily narrowing the durability gap that once made outdoor AIS a harder sell in regions with harsh climates or coastal exposure. As grid expansion continues to skew toward greenfield sites in emerging markets and remote generation hubs, outdoor AIS is positioned to outpace indoor installation growth through the forecast period, even as indoor deployment retains the larger absolute share of the market.
Asia Pacific to be the fastest-growing region in the Air-Insulated Switchgear Market during the forecast period.
Asia Pacific is set to be the fastest-growing region in the Air-Insulated Switchgear Market during the forecast period, building on the scale of grid investment already underway across China and India. China’s state-led transmission upgrades and India’s ongoing distribution sector reforms continue to channel substantial capital into new and replacement substation infrastructure, while rapid urbanization and industrial electrification across the broader region push baseline electricity demand steadily higher. This momentum is reinforced by accelerating renewable energy build-out in markets such as Japan, South Korea, and Australia, where offshore wind and solar capacity additions require new substation infrastructure for grid interconnection, alongside a growing wave of data center development that is adding concentrated, high-density load to regional networks. With grid modernization programs showing little sign of slowing and electricity demand continuing to climb across both mature and emerging Asia Pacific economies, the region is positioned to outpace all others in growth rate through the forecast period, even as it already holds the largest overall market share today.
Top Companies in Air Insulated Switchgear Industry:
The Air Insulated Switchgear Industry include ABB (Switzerland), Hitachi Energy Ltd. (Switzerland), Siemens (Germany), Schneider Electric (France), Eaton (Ireland), Mitsubishi Electric Corporation (Japan), LS ELECTRIC Co., Ltd. (South Korea), Fuji Electric Co., Ltd. (Japan), HD Hyundai Electric Co., Ltd. (South Korea), TOSHIBA CORPORATION (Japan), and several others.
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Air Insulated Switchgear Market – Investment & funding + Merger & Acquisition
Investment Funding Context
Investment in electricity infrastructure is creating a favorable funding environment for the Air-Insulated Switchgear Market as utilities, governments, and private infrastructure developers increasingly allocate capital toward grid expansion, reinforcement, and modernization. Global grid investment is currently around USD 400 billion annually, with further increases required as electricity demand and new generation capacity expand. This funding environment supports demand for AIS because switchgear represents a critical equipment category within substations and distribution networks, where new capacity requires additional switching, protection, and isolation equipment. The funding momentum is also becoming visible at the regional level, with Asia Pacific benefiting from large-scale power infrastructure and grid-development programs, while Europe continues to increase grid expenditure to accommodate expanding low-emissions generation. In North America, rising electricity requirements and network reinforcement are encouraging additional investment in transmission and distribution infrastructure; for example, the US Department of Energy announced an approximately USD 1.9 billion funding opportunity in 2026 for critical grid infrastructure upgrades. For AIS manufacturers, this investment cycle creates opportunities across new substations, distribution expansion, network reinforcement, replacement of aging equipment, and connection of new generation and large electricity loads.
Revenue Shift Context
The Air-Insulated Switchgear Market is projected to increase from USD 70.18 billion in 2025 to USD 73.90 billion in 2026 and USD 101.61 billion by 2031, indicating a sustained expansion in the addressable market over the forecast period. Broad-based demand across regions supports the revenue shift, although Asia Pacific remains the largest regional revenue pool, increasing from USD 32.08 billion in 2025 to USD 33.86 billion in 2026 and USD 47.16 billion by 2031. This reflects the region’s substantial requirement for new electricity infrastructure and network expansion. North America also maintains a significant revenue base, rising from USD 16.48 billion in 2025 to USD 17.38 billion in 2026 and USD 24.17 billion by 2031, supported by infrastructure replacement and additional grid capacity requirements. Europe follows a similar upward trajectory, with market revenue increasing from USD 13.63 billion in 2025 to USD 14.32 billion in 2026 and USD 19.53 billion by 2031. Overall, the shift in market revenue indicates that AIS demand is not dependent on a single geography; instead, growth is being distributed across established power markets and regions undergoing significant electricity infrastructure development.
Mergers and Acquisitions
The Air-Insulated Switchgear Market is witnessing active consolidation, with leading players pursuing acquisitions to strengthen their technology portfolios, expand product offerings, and broaden their geographic reach across key markets.
Air Insulated Switchgear Market: Mergers and Acquisitions, April 2026 – July 2026
|
Month & Year |
Deal Type |
Company 1 |
Company 2 |
Description |
|
July 2026 |
Acquisition |
ABB (Switzerland) |
Specialtrasfo S.p.A. (Italy) |
ABB completed the acquisition of Specialtrasfo S.p.A. to strengthen its portfolio of specialized medium-voltage transformers, including converter and rectifier transformers, while expanding its integrated electrification offering that also includes switchgear, drives, motors, generators, and custom e-houses for industrial applications. |
|
April 2026 |
Acquisition |
Lucy Electric (UK) |
Nuventura (Germany) |
Lucy Electric acquired Nuventura, a developer of SF₆-free primary switchgear, to strengthen its SF₆-free portfolio and expand into primary switchgear and the Continental European market. |
Company Revenue Share Details
The Air-Insulated Switchgear Market is fragmented, with the top 5 players including Schneider Electric (France), Eaton (Ireland), ABB (Switzerland), Siemens (Germany), and Mitsubishi Electric Corporation (Japan), collectively accounting for approximately 28–38% of the total market share. The remaining 62–72% of the market is distributed among a broad group of global, regional, and local manufacturers, indicating a relatively fragmented competitive structure. These players include companies with strong positions in specific voltage ranges, applications, or geographic markets, allowing them to compete through localized manufacturing, application-specific product configurations, shorter delivery timelines, and established relationships with utilities and industrial customers. The fragmented portion of the market also offers regional manufacturers opportunities to expand their presence by strengthening product portfolios, increasing production capacity, and developing solutions tailored to utility and infrastructure requirements.
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