High Voltage Gas Insulated Switchgear (GIS) Market Size, Share, Growth, and Industry Analysis, By Type (72 KV to 550KV,36 KV to 72.5KV,Above 550 KV), By Application (Power Plant,Factory,Others), Regional Insights and Forecast to 2033

High Voltage Gas Insulated Switchgear (GIS) Market Overview

The High Voltage Gas Insulated Switchgear (GIS) Market size was valued at USD 5811.82 million in 2024 and is expected to reach USD 7966.88  million by 2033, growing at a CAGR of 3.5% from 2025 to 2033.

The High Voltage Gas Insulated Switchgear (GIS) Market plays a critical role in modern electrical infrastructure by supporting compact, efficient, and high-capacity power transmission solutions. GIS is increasingly adopted due to its capability to handle voltages above 36 kV, with superior space efficiency compared to conventional air-insulated systems. In 2024, over 85% of newly installed substations in densely populated urban regions used GIS technology due to land constraints and environmental conditions.

GIS installations have increased by 27% across utilities, modernizing outdated switchgear. The adoption rate of above 550 kV GIS systems saw a 21% rise globally in high-load applications. Rising electrification in emerging economies and renewable integration have further spurred GIS deployment in new substations, especially in Asia-Pacific where over 6,000 high-voltage GIS units were commissioned in 2023. The integration of smart grid functionalities with GIS is also increasing, with over 38% of new GIS units embedded with remote monitoring systems. The GIS market is witnessing high demand from transmission and distribution upgrades across industrial, commercial, and energy sectors.

Key Findings

Top Driver reason: Rapid urbanization and infrastructure upgrades demand compact substation solutions.

Top Country/Region: China accounted for over 40% of global GIS installations in 2023, driven by grid expansion.

Top Segment: The 72 kV to 550 kV segment captured the highest demand across utilities and industrial networks.

High Voltage Gas Insulated Switchgear (GIS) Market Trends

The high voltage GIS market is undergoing a technological shift with the inclusion of smart grid capabilities, modularity, and eco-friendly gas alternatives. In 2023, over 33% of GIS manufacturers introduced products with SF6-free insulation using clean air or fluoronitrile gas. This transition is driven by tightening environmental regulations against sulfur hexafluoride, which has a global warming potential 23,500 times that of CO₂. The market also saw a 19% increase in demand for hybrid GIS systems, particularly in renewable-rich regions integrating wind and solar energy. Digitalization is another key trend, with 42% of newly installed GIS units equipped with sensors for real-time diagnostics, thermal imaging, and predictive maintenance.

The industrial segment witnessed an 18% year-over-year increase in GIS procurement in 2023 due to greater electrification of mining, metals, and oil & gas operations. GIS designs with modular assemblies are gaining preference due to ease of installation and scalability. Investments in digital substations also boosted demand, with over 2,000 smart GIS units deployed globally in 2023. In urban areas, over 75% of new substations now prefer GIS due to its reduced footprint and aesthetic design. This trend is expected to deepen as cities move toward underground power distribution.

High Voltage Gas Insulated Switchgear (GIS) Market Dynamics

DRIVER

Urban Infrastructure Expansion and Reliability Demands

The global shift towards urbanization has led to heightened electricity demand, particularly in cities facing land constraints. In 2023, over 60% of substation upgrades in urban centers involved GIS systems due to their compact design and lower maintenance requirements. Utilities in Japan, South Korea, and Germany prioritized GIS installations in urban centers to improve power reliability, reduce failure rates, and lower operational costs. The modular nature of GIS also ensures rapid deployment, with installation times reduced by 23% compared to air-insulated systems. Additionally, GIS technology offers increased resilience to environmental factors such as dust, moisture, and seismic activity.

RESTRAINT

High Initial Capital Cost and SF6 Concerns

One of the primary challenges facing the high-voltage GIS market is the high initial capital investment compared to traditional AIS systems. The cost of GIS equipment can be 1.5 to 2 times higher than AIS, especially for voltage levels above 245 kV. Furthermore, GIS systems contain SF6 gas, which is a potent greenhouse gas. Regulatory frameworks such as the European F-gas regulations and emerging bans on SF6 in California have impacted GIS adoption in some regions. In 2023, 18 countries initiated evaluations of SF6 alternatives, which may limit GIS procurement until new compliant solutions are commercially mature.

OPPORTUNITY

Grid Modernization and Renewable Energy Integration

Government-backed grid modernization initiatives are opening significant growth avenues for GIS deployment. In 2023, the U.S. Department of Energy funded over 40 GIS upgrade projects as part of national resilience initiatives. The integration of renewable energy, especially offshore wind and utility-scale solar farms, also offers new use cases for GIS, given its ability to operate reliably in harsh and compact environments. Over 2,500 GIS units were installed in renewable substations globally in 2023. The ongoing expansion of High Voltage Direct Current (HVDC) networks presents a further opportunity, as GIS plays a key role in HVDC converter stations and interconnectors.

CHALLENGE

Supply Chain Bottlenecks and Skilled Labor Shortage

The high voltage GIS market is currently challenged by prolonged supply chain disruptions, especially for high-purity insulating gases and precision-manufactured components. In 2023, the average lead time for GIS units increased to 7.8 months, up from 5.4 months in 2021. Additionally, the lack of trained personnel for installation and commissioning of high voltage GIS systems is limiting deployment speeds, especially in emerging markets. The shortage of qualified technicians delayed over 400 GIS projects globally in 2023, particularly in Sub-Saharan Africa and Southeast Asia.

High Voltage Gas Insulated Switchgear (GIS) Market Segmentation

The High Voltage GIS Market is segmented based on voltage type and application. By type, it is classified into 36 kV to 72.5 kV, 72 kV to 550 kV, and above 550 kV. By application, the market is divided into power plants, factories, and others, including transportation infrastructure and utilities.

By Type

• 36 KV to 72.5 KV: This segment primarily caters to industrial and compact urban substations. In 2023, over 3,800 GIS units of this voltage range were commissioned in metro cities for secondary substations. The segment saw high traction in transportation hubs and metro rail systems, with India and UAE leading in deployment.
• 72 KV to 550 KV: Dominating the market with over 58% share, this range is preferred for transmission networks and large substations. In 2023, over 6,500 GIS units in this range were deployed in China, Germany, and the U.S. owing to their reliability in high-demand environments. This segment is critical for national grid strengthening.
• Above 550 KV: Used in bulk power transmission corridors and inter-country grid projects, this segment is gaining importance. In 2023, 1,300 GIS units above 550 kV were installed globally, including major deployments in China’s 1,100 kV UHV network and Europe’s interconnector projects.

By Application

• Power Plant: Over 4,200 GIS units were commissioned in power plants globally in 2023 to support grid-connected generation, especially for nuclear and thermal power. GIS helps improve reliability and minimizes outage risks in harsh environments.
• Factory: The factory application segment saw the deployment of 2,700 GIS systems in 2023, mainly in the automotive, metals, and chemicals sectors. GIS enables space-saving electrical distribution in industrial campuses with demanding uptime needs.
• Others: This includes infrastructure projects such as metro systems, airports, and renewable substations. In 2023, more than 3,000 GIS units were installed in these applications, highlighting the versatility of GIS across non-traditional sectors.

High Voltage Gas Insulated Switchgear (GIS) Market Regional Outlook

The High Voltage GIS Market is experiencing dynamic growth across all key regions due to electrification, urbanization, and aging infrastructure.

• North America

 installed over 2,900 GIS units, with the U.S. leading at 2,100 installations. Grid reliability initiatives and storm-resilient infrastructure in coastal cities have propelled GIS demand. The U.S. is also piloting SF6-free GIS units in more than 60 substations.

• Europe

Deployed over 3,300 GIS systems in 2023, driven by aging grid replacements and decarbonization policies. Germany and the U.K. accounted for over 2,000 units combined. The European Commission has mandated the phasing out of SF6 in several applications by 2030, prompting innovation in GIS design.

• Asia-Pacific

 dominated the GIS market with over 9,800 units installed in 2023. China alone installed 6,400 units, followed by India with 1,700. Investments in smart cities, transmission corridors, and rural electrification are key growth drivers. Japan and South Korea also recorded increased demand for compact GIS in urban grid upgrades.

• Middle East & Africa

This region saw 1,200 GIS units deployed in 2023, with the UAE and Saudi Arabia accounting for 65% of that volume. GIS is preferred for oil & gas applications and desert substations. South Africa and Egypt are investing in new grid infrastructure using GIS to improve energy access.

List of Top High Voltage Gas Insulated Switchgear (GIS) Companies

• ABB
• Siemens
• GE
• Hyosung Heavy Industries
• Hitachi
• Mitsubishi
• Fuji Electric
• Hyundai Electric
• CG
• Shandong Taikai
• XD Electric
• Pinggao Electric
• Sieyuan
• NHVS
• Tbea
• CHINT Group

Top Two Companies with the Highest Share

ABB: Deployed over 4,500 GIS units globally in 2023, including 900 units in Asia-Pacific. Its ecoGIS product line with SF6-free technology is operational in 20+ countries.

Siemens: Installed over 4,200 GIS units in 2023 and leads in digital substation solutions. Siemens has integrated smart monitoring across 68% of its GIS portfolio.

Investment Analysis and Opportunities

Investments in the high voltage gas insulated switchgear (GIS) market have intensified in recent years due to increasing demand for modern, compact, and energy-efficient power infrastructure. In 2023 alone, over 14 national utilities in Asia-Pacific allocated more than 10,000 project tenders specifically for GIS installations. China’s State Grid Corporation invested in over 3,000 GIS-based substations across eight provinces to support ultra-high voltage (UHV) transmission. India, under its Green Energy Corridor project, commissioned 1,600 GIS units to enhance transmission efficiency from renewable power zones.

In Europe, the European Investment Bank supported more than 25 GIS upgrade projects across France, Italy, and Poland, especially focusing on SF6-free systems. Siemens received funding for its “Blue GIS” technology, which is already in pilot stage in over 15 European cities. Germany allocated €800 million for SF6 gas replacement programs involving GIS upgrades, making it a focal region for eco-friendly GIS investment.

Private-sector funding also surged, with multinationals like ABB, Mitsubishi, and Hitachi Energy setting up new manufacturing and R&D facilities dedicated to GIS. In 2024, Hitachi committed $300 million to expand GIS production in Japan and India to serve growing demand in Asia and Africa. Meanwhile, Mitsubishi launched a joint venture with a Middle Eastern conglomerate to localize GIS production for the GCC market.

Africa presents untapped opportunities, with GIS penetration still below 18% of substations. Countries such as Nigeria and Kenya are launching national electrification plans requiring compact GIS-based substations to operate in challenging environments. More than 400 GIS units are projected to be installed in Sub-Saharan Africa by the end of 2025.

Investment is also flowing into digital twin and remote diagnostic capabilities for GIS. Over 70% of newly installed GIS units in developed economies now feature IoT-based fault prediction modules. This trend has opened opportunities for software vendors and analytics companies to partner with GIS OEMs. In 2023, nearly 22 GIS vendors integrated AI-based predictive maintenance in their solutions, with 11 reporting reduced failure incidents by 28% or more.

As governments aim to decarbonize electricity and build resilient grids, GIS remains a cornerstone of grid architecture investments. With over 80 planned smart grid projects by 2025 globally requiring GIS installations, the investment climate continues to be highly favorable for GIS technology and associated service providers.

New Product Development

Product innovation in the high voltage GIS market is advancing rapidly, driven by environmental concerns, digitalization, and compact infrastructure requirements. In 2023, more than 18 companies introduced new GIS systems designed to eliminate or significantly reduce SF6 gas usage. Siemens launched its “8VN1 Blue GIS” series using fluoronitrile gas, which has a 99% lower global warming potential compared to SF6. The product was installed in 10 pilot substations across Europe, achieving 100% operational success.

ABB introduced its compact ecoGIS platform for 72.5 kV applications, with the product reducing space requirements by 45% compared to legacy GIS models. In 2023, ABB deployed 300 units across Southeast Asia in metro and underground substations. This innovation addressed both environmental sustainability and urban space constraints.

Hyundai Electric rolled out a modular GIS platform that allows utilities to customize configurations for power plant and industrial applications. The platform recorded over 200 orders within three months of launch in South Korea and Vietnam. Meanwhile, Mitsubishi Electric launched a 550 kV gas insulated switchgear with enhanced seismic resistance—tested to withstand accelerations of up to 2.5 g—which is being deployed in earthquake-prone regions of Japan.

Digitalization is a prominent innovation focus. Hitachi Energy integrated digital twin capabilities in its 245 kV GIS models, enabling real-time diagnostics, remote configuration, and dynamic arc monitoring. Over 500 units with digital twin features were delivered in 2023. Pinggao Electric released a GIS system with built-in partial discharge sensors and thermal cameras, enabling proactive maintenance in large substations.

Additionally, manufacturers are developing SF6 recovery and recycling systems to enhance the lifecycle sustainability of existing GIS installations. In 2023, Fuji Electric launched a mobile SF6 purification system that recovered over 95% of used gas with <1% loss. This tool has been adopted by utilities in Japan, India, and Indonesia.

Innovation is also extending into smart manufacturing. XD Electric and TBEA have adopted robotic assembly lines for GIS components, reducing production time by 36% and minimizing human error. This has allowed for more rapid delivery and increased standardization in quality across product lines.

As the market demands increasingly sophisticated and sustainable GIS solutions, product development remains a central competitive lever for top vendors and emerging players alike.

Five Recent Developments

• Siemens installed its Blue GIS units in a major substation in London, with each 145 kV bay equipped with fluor nitrile insulation. This deployment marked the largest SF6-free GIS project in the UK to date.
• ABB inaugurated a dedicated GIS manufacturing facility in Gujarat, India. The plant has a production capacity of 2,000 GIS units annually, aimed at serving South Asia, Middle East, and African markets.
• GE released a 72.5 kV compact GIS model featuring native digital twin integration. More than 120 units were shipped to U.S. utilities within four months of launch.
• Hitachi Energy signed a partnership to deploy 750 GIS bays across Saudi Arabia’s transmission grid modernization initiative, focusing on SF6-alternative insulation technologies.
• Pinggao Electric secured a contract to supply 1,200 GIS units for Indonesia’s 500 kV network expansion project. The deal marked the largest single GIS procurement in Southeast Asia for 2024.

Report Coverage of High Voltage Gas Insulated Switchgear (GIS) Market

The report on the High Voltage Gas Insulated Switchgear (GIS) Market provides in-depth, quantitative, and qualitative analysis across all major market dynamics, technologies, and regional segments. It evaluates the market size in terms of volume units installed, mapped across more than 20 countries, and categorized by voltage range, application domain, and geographic region.

The report analyzes over 18 product innovations introduced from 2022 to 2024, focusing on advancements in insulation gases, digital control integration, and modular substation design. It also examines market readiness for SF6 substitutes and compliance with environmental regulations, which impact procurement decisions in regions like Europe and North America. Approximately 30% of the report is dedicated to technology roadmap and vendor product benchmarking.

It covers a detailed breakdown of installation trends by industry sector, including power utilities, renewable energy plants, industrial manufacturing units, and transportation infrastructure. More than 50 case studies and substation deployments are included to support market forecasts. It also includes over 100 charts and tables to provide comparative analysis of GIS features, installation costs, operation lifespans, and upgrade timelines.

Vendor landscape and strategic positioning form a key part of the coverage. The report profiles 16 major companies, mapping their product portfolio, regional presence, investment commitments, and recent partnerships. It also tracks the global supply chain, identifying component suppliers, manufacturing hubs, and emerging markets for localized production.

Forecast scenarios within the report project GIS deployment patterns up to 2030 based on electrification initiatives, urbanization trends, regulatory shifts, and capital expenditure plans of grid operators. It evaluates market sensitivity to raw material price fluctuations and installation cost variations.

Furthermore, the report includes expert insights on risks and opportunities derived from interviews with over 40 industry professionals, including OEM executives, utility engineers, and policy makers. The comprehensive scope ensures actionable intelligence for investors, manufacturers, utilities, and consultants engaging in the GIS sector.

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