Service Segment Analysis: Professional Services (Largest Segment) vs Managed Services (Fastest-Growing Segment)

Professional services accounted for the largest share of the smart grid security market in 2026, supported by the specialized expertise required to assess, design, implement, and optimize security architectures across increasingly complex electricity networks. Utilities and other grid operators require assistance with security assessments, system integration, compliance, risk management, and the deployment of protection measures across operational technology environments. The ongoing modernization of grid infrastructure and expansion of connected assets are increasing the need for specialized cybersecurity expertise, reinforcing professional services as a major component of smart grid security spending.

Managed services are growing at the fastest pace as utilities increasingly seek continuous monitoring, threat detection, incident response, and security management without having to maintain all capabilities internally. The expanding attack surface created by connected grid devices and digital control systems is increasing the importance of ongoing security oversight rather than periodic assessments alone. Managed service models can provide continuous operational support and help organizations address evolving cyber threats more efficiently, strengthening their appeal as smart grid environments become more interconnected.

Deployment Segment Analysis: On-Premises (Largest Segment) vs Cloud (Fastest-Growing Segment)

The on-premises segment maintained the largest share of the smart grid security market in 2026, reflecting the continued preference for direct control over critical security infrastructure within sensitive utility environments. On-premises deployment enables organizations to maintain security systems closer to operational technology assets and can support stringent requirements related to data control, network isolation, and infrastructure governance. Utilities often prioritize reliability and control when protecting critical electricity infrastructure, sustaining demand for security solutions deployed within their own environments.

Cloud deployment is expanding at the fastest rate as smart grid operators increasingly adopt scalable security architectures capable of supporting distributed infrastructure and growing volumes of operational data. Cloud-based security can facilitate centralized monitoring, flexible resource allocation, rapid service deployment, and easier integration across geographically dispersed assets. As utilities modernize their digital infrastructure and seek more adaptable cybersecurity models, cloud deployment is becoming increasingly attractive for managing evolving security requirements while supporting broader grid digitalization.