Sag Corrector Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, Segmented By Amp Rating (Less than 25A, 26A-110A, 111A-400A, More than 400A), By Line Voltage (Less than 220VAC, 221VAC-415VAC, More than 416VAC). By Wiring Type (Single Phase(L-L), Single Phase (L-N), Three Phase (3-Wire), Three Phase (4-Wire)), By Application (Data Center, Robotics & Machinery, Pharmaceuticals & Medicals), By Region, By Competition 2021-2031F

Forecast Period	2027-2031
Market Size (2025)	USD 894.23 Million
CAGR (2026-2031)	5.61%
Fastest Growing Segment	Less than 25A
Largest Market	North America
Market Size (2031)	USD 1240.52 Million

Market Overview

The Global Sag Corrector Market will grow from USD 894.23 Million in 2025 to USD 1240.52 Million by 2031 at a 5.61% CAGR. A Sag Corrector is a specialized power conditioning device designed to detect and compensate for short-duration voltage dips in real-time, ensuring a continuous and stable power supply to sensitive industrial loads. The market is primarily supported by the escalating adoption of automated manufacturing processes and the critical necessity for power reliability in sectors such as semiconductors, where even momentary fluctuations can cause expensive production halts. According to SEMI, in 2024, global sales of semiconductor manufacturing equipment reached $117 billion, underscoring the massive investment in sensitive technologies that require robust protection against power quality events.

However, the market faces a significant challenge regarding the high initial capital expenditure required for installation, which can impede adoption among cost-conscious small and medium-sized enterprises. This financial barrier is often exacerbated by the technical complexity involved in integrating these systems into existing legacy infrastructure, potentially slowing the widespread expansion of sag corrector solutions in developing industrial regions.

Key Market Drivers

Escalating financial impact of unplanned operational downtime is a primary catalyst propelling the global sag corrector market, as industrial facilities increasingly recognize the substantial costs associated with even momentary power interruptions. Modern manufacturing lines utilize highly synchronized automated systems where a voltage sag of mere milliseconds can trigger system resets, material scrappage, and prolonged restart sequences. This vulnerability translates into massive monetary losses, driving the adoption of sag correctors to ensure seamless continuity and protect profit margins. According to Siemens, July 2024, in the 'The True Cost of Downtime 2024' report, global Fortune 500 companies lose approximately $1.4 trillion annually to unplanned downtime, highlighting the critical economic incentive for investing in robust power conditioning solutions.

The rapid expansion of data center and cloud computing infrastructure further accelerates market growth, necessitated by the exponential rise in digital data generation. As hyperscale facilities proliferate to support artificial intelligence and cloud services, the demand for ultra-clean power to protect sensitive servers becomes paramount. According to JLL, February 2024, in the 'Data Center Outlook Global 2024', total data center storage capacity is projected to surge to 21.0 zettabytes by 2027, creating a vast footprint of critical infrastructure requiring protection from grid instabilities. The financial stakes in this sector are significantly high; according to Uptime Institute, March 2024, in the 'Annual Outage Analysis 2024' report, 54% of digital infrastructure operators reported that their most recent significant outage cost more than $100,000, underscoring the necessity of sag correctors in maintaining high-availability service level agreements.

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Key Market Challenges

The high initial capital expenditure required for purchasing and installing sag correctors serves as a substantial barrier to market growth. This upfront cost creates a significant hurdle for small and medium-sized enterprises that often operate with limited financial liquidity. Because sag correctors are frequently viewed as protective rather than direct revenue-generating assets, they are often deferred during budget planning in favor of primary production machinery. This financial strain is further compounded by the substantial expenses associated with retrofitting these devices into legacy infrastructure, which often necessitates specialized engineering and prolonged installation times.

This restrictive spending environment directly limits the ability of industrial facilities to upgrade their power quality systems. According to the Institute for Supply Management (ISM), in 2024, capital expenditures in the manufacturing sector were projected to increase by only 1 percent, reflecting a stagnation in industrial spending that severely restricts the allocation of funds for auxiliary infrastructure upgrades. Consequently, many cost-sensitive industries are forced to delay the adoption of these critical power solutions, leaving their operations vulnerable to voltage instabilities.

Key Market Trends

The optimization of sag correctors for renewable energy microgrids is accelerating as industrial operators decentralize power generation to meet sustainability goals. The inherent intermittency of wind and solar sources introduces voltage volatility, necessitating advanced power conditioning systems to stabilize these independent networks and prevent equipment damage. This focus on grid modernization is attracting substantial capital to ensure infrastructure resilience against variable power flows. According to the International Energy Agency (IEA), June 2024, in the 'World Energy Investment 2024' report, global investment in electricity grids was projected to reach USD 400 billion in 2024, underscoring the critical scale of financial commitment dedicated to fortifying power systems against such instabilities.

Concurrently, the rapid deployment of electric vehicle (EV) charging infrastructure is creating a distinct high-growth vertical for power quality protection. Fast-charging stations function as sensitive, high-power loads that require consistent voltage levels to maintain service availability and protect internal power electronics from grid-side disturbances. Manufacturers are increasingly developing specialized, compact sag correction units to safeguard these revenue-generating assets from downtime caused by voltage dips. According to the International Energy Agency (IEA), April 2024, in the 'Global EV Outlook 2024', the global stock of public charging points increased by more than 1.3 million in 2024, a growth of over 30% from the previous year, highlighting the expanding scope for deploying robust power protection equipment.

Segmental Insights

The Less than 25A segment is emerging as the fastest-growing category in the Global Sag Corrector Market, driven by the expanding reliance on sensitive electronics in residential and commercial environments. Unlike heavy industrial machinery, devices such as medical diagnostic tools, small-scale servers, and home automation systems operate at lower current ratings yet remain highly vulnerable to power fluctuations. The increasing necessity to protect this equipment from voltage dips, which often cause data loss and operational downtime, is fueling demand. Consequently, the high volume of installations required for these low-power applications is propelling the segment's rapid expansion.

Regional Insights

North America stands as the dominant region in the Global Sag Corrector Market, supported by a highly developed industrial infrastructure and the widespread implementation of automation technologies. This leadership is primarily driven by the critical need for voltage stability in sectors such as semiconductor manufacturing, automotive production, and data center operations, where even minor power fluctuations can cause significant financial losses. Additionally, adherence to rigorous power quality standards and the proactive modernization of electrical grids across the United States and Canada further sustain the region's strong market position.

Recent Developments

• In October 2025, ABB launched a new version of its PCS100 AVC-40 Active Voltage Conditioner, optimized for 600V and 690V electrical networks. This system was developed to provide rapid correction of voltage sags and swells for heavy industrial sectors such as semiconductor manufacturing, mining, and oil and gas. The newly released model featured a battery-free inverter design capable of responding to voltage disturbances in less than 250 microseconds with an efficiency exceeding 98%. This launch expanded ABB’s power protection portfolio, offering a maintenance-free solution to ensure operational continuity for high-voltage industrial loads.
• In May 2025, American Superconductor Corporation (AMSC) reported a significant surge in market demand for its grid resiliency technologies, specifically highlighting increased revenues from its D-VAR dynamic voltage restoration systems. The company announced that it had secured $75 million in new orders and achieved a 53% increase in fiscal year revenue, driven by the widespread adoption of its voltage control solutions in the renewable energy and industrial sectors. This financial performance underscored the growing necessity for robust voltage support systems to manage grid instability and protect sensitive infrastructure from power quality events.
• In September 2024, Zigor Corporación announced the successful commissioning of a high-power Dynamic Voltage Restorer (DVR) at a Mercedes-Benz manufacturing facility in South Africa. The project involved the installation of the ZGR AVC DVR AP, a system with a capacity of 1.25 MVA, specifically engineered to correct voltage sags and stabilize the electrical supply for the plant’s production lines. This implementation aimed to eliminate unplanned production stoppages and equipment malfunctions caused by grid fluctuations, thereby ensuring continuous operations and enhancing the overall productivity of the automotive factory.
• In January 2024, Infineon Technologies AG entered into a partnership with Sinexcel Electric Co., Ltd. to integrate advanced silicon carbide (SiC) power semiconductors into Sinexcel’s power quality and energy storage solutions. This collaboration focused on utilizing 1200 V CoolSiC MOSFETs to enhance the efficiency and power density of Sinexcel’s equipment, including its active voltage conditioners and other grid-stability devices. The agreement was established to address the increasing industrial demand for compact, high-efficiency systems capable of maintaining stable power supplies and mitigating voltage disturbances in critical applications.

Key Market Players

• ABB
• Schneider Electric
• Shizuki
• Eaton Corporation plc
• General electric company
• LS Electric Co Ltd
• Sinexcel
• Bharat Electronics limited
• Samsung semiconductor India
• SoftSwitching Technologies

By Amp Rating	By Line Voltage	By Wiring Type	By Application	By Region
Less than 25A 26A-110A 111A-400A More than 400A	Less than 220VAC 221VAC-415VAC More than 416VAC	Single Phase(L-L) Single Phase (L-N) Three Phase (3-Wire) Three Phase (4-Wire)	Data Center Robotics & Machinery Pharmaceuticals & Medicals	North America Europe Asia Pacific South America Middle East & Africa

Report Scope:

In this report, the Global Sag Corrector Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

• Sag Corrector Market, By Amp Rating:

• Less than 25A
• 26A-110A
• 111A-400A
• More than 400A

• Sag Corrector Market, By Line Voltage:

• Less than 220VAC
• 221VAC-415VAC
• More than 416VAC

• Sag Corrector Market, By Wiring Type:

• Single Phase(L-L)
• Single Phase (L-N)
• Three Phase (3-Wire)
• Three Phase (4-Wire)

• Sag Corrector Market, By Application:

• Data Center
• Robotics & Machinery
• Pharmaceuticals & Medicals

• Sag Corrector Market, By Region:

• North America
• United States
• Canada
• Mexico
• Europe
• France
• United Kingdom
• Italy
• Germany
• Spain
• Asia Pacific
• China
• India
• Japan
• Australia
• South Korea
• South America
• Brazil
• Argentina
• Colombia
• Middle East & Africa
• South Africa
• Saudi Arabia
• UAE