Power & Utility

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Power and Utility Application

Comnet’s hardened networking infrastructure is engineered for the challenges of power environments - handling high EMI, extreme temperatures, and remote operation with ease. From legacy grid integration to next-gen renewable deployments, Comnet provides the backbone for smart, scalable, and secure power networks. Made in the USA. TAA and NDAA compliant.

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Engineered for Harsh Environments

Designed to withstand high-voltage EMI,
surge, and extreme temperature conditions.
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End-to-End Visibility

Seamlessly connects field assets to control
centers for fast, informed decision-making. 
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Flexible for Today & Tomorrow

Supports legacy protocols and future-proof technologies for grid modernization. 
A large electrical power substation with high-voltage transmission towers stretching into the distance

Substation Automation

Substations are exposed to intense EMI, temperature swings, and physical demands. Comnet's IEC 61850-3 and IEEE 1613-rated switches and media converters maintain reliable, redundant connectivity for critical protection relays, RTUs, and HMIs - ensuring real-time monitoring and control.
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Renewable Energy Integration

Wind, solar, and battery systems depend on secure data exchange between field devices and centralized SCADA. Comnet products deliver long-distance fiber and wireless backhaul with low latency and high reliability, even in remote locations with harsh environmental conditions. 
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Grid Modernization

Smart grid initiatives rely on intelligent networking between IEDs, controllers, and metering infrastructure. Comnet enables scalable layer 2/3 network architectures with built-in SNMP, cybersecurity features, and redundant topologies for maximum uptime. 
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An aerial view of a large fossil fuel power plant with smokestacks, situated next to a river

Critical Power & Energy Facilities

Power plants, backup energy systems, and microgrids require constant operational visibility. Comnet solutions support everything from access control to condition monitoring, allowing facilities to maximize uptime and respond quickly to abnormal events. 
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electrical-power-substation-fog-512x300

Substation Automation

Substations are exposed to intense EMI, temperature swings, and physical demands. Comnet's IEC 61850-3 and IEEE 1613-rated switches and media converters maintain reliable, redundant connectivity for critical protection relays, RTUs, 
and HMIs—ensuring real-time monitoring and control.
A solar panel array and wind turbines set against a vibrant sunset sky, symbolizing renewable energy

Renewable Energy Integration

Wind, solar, and battery systems depend on secure data exchange between field devices and centralized SCADA. Comnet products deliver long-distance fiber and wireless backhaul with low latency and high reliability, even in remote locations with harsh environmental conditions. 
An aerial night view of a sprawling coastal city with illuminated streets forming a distinct grid pattern

Grid Modernization

Smart grid initiatives rely on intelligent networking between IEDs, controllers, and metering infrastructure. Comnet enables scalable layer 2/3 network architectures with built-in SNMP, cybersecurity features, and redundant topologies for maximum uptime. 
An aerial view of a large fossil fuel power plant with smokestacks, situated next to a river

Critical Power & Energy Facilities

Power plants, backup energy systems, and microgrids require constant operational visibility. Comnet solutions support everything from access control to condition monitoring, allowing facilities to maximize uptime and respond quickly to abnormal events. 
Case Study

Strengthening Security 
Infrastructure at 
a French Nuclear Plant

The client operates nuclear power plants throughout France, maintaining a critical role in the nation's energy infrastructure.
Read Full Study
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Product Recommendations

Explore Comnet’s range of industrial switches, media converters, and network monitoring tools - built for performance in high-voltage and high-stakes environments.

Ethernet Switches / Industrial Hardened

Hardened Managed Ethernet Switch, 2 SFP, 8 RJ45 Ports with 90 Watt PoE Hardened Managed Ethernet Switch, 2 SFP, 8 RJ45 Ports with 90 Watt PoE

CNGE10FX2TX8MSBT

Ethernet Media Converter

Hardened 10/100/1000 Media Converter, Electrical Substation-Rated, SFP Optical Port, 12-24 VDC Hardened 10/100/1000 Media Converter, Electrical Substation-Rated, SFP Optical Port, 12-24 VDC

RLMCSFPHV

Ethernet Switches / Industrial Hardened

Hardened Managed L2+ Switch, 4 SFP, 16 RJ45, High Voltage, Substation-Rated Hardened Managed L2+ Switch, 4 SFP, 16 RJ45, High Voltage, Substation-Rated

RLGE20FX4TX16MS/HV

Ethernet Media Converter

Intelligent 60W PoE Media Converter, 2 SFP, 4 RJ45 Intelligent 60W PoE Media Converter, 2 SFP, 4 RJ45

CNGEMC4+2POEHO/M

Ethernet Media Converter

Hardened 10/100/1000 60W PoE Media Converter, Electrical Substation-Rated, SFP Optical Port, 48 VDC Hardened 10/100/1000 60W PoE Media Converter, Electrical Substation-Rated, SFP Optical Port, 48 VDC

RLMCSFPPOEHO

Support You Can Count On

Whether you're upgrading infrastructure or need expert support,
our communication and security specialists are ready to help.
Let's Talk
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