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OPGW and ADSS cables for power communication and smart grid

Reliable Power Communication & Smart Grid Infrastructure

From OPGW and ADSS optical cables to distribution automation, relay protection, fiber optic sensing (DTS/DAS), substation communication networks, transmission line monitoring, and private grid solutions – we deliver complete systems for utilities, renewable energy integrators, and industrial power users across Europe.

Distribution automation, relay protection and fiber sensing for energy internet

Advanced Distribution & Protection Systems

Intelligent electronic devices, differential protection relays, fault location systems, and real‑time fiber sensing for medium‑voltage and high‑voltage grids – engineered for resilience, cybersecurity, and seamless integration with SCADA and energy management platforms.

Substation communication and transmission line monitoring solutions

Secure Substation Networks & Line Monitoring

IEC 61850‑compliant switches, PTP synchronization, and distributed sensing solutions for overhead and underground lines – backed by ISO 9001 and CE certifications, supporting grid stability and energy transition projects.

OUR PORTFOLIO

Complete Power Communication & Smart Grid Product Line

OPGW and ADSS cables, distribution automation, relay protection, fiber optic sensing, substation networks, transmission line monitoring, energy internet, and private grid communication – built for reliability, security, and performance.

Hot OPGW and ADSS optical cables for overhead power lines

OPGW & ADSS Cables

High‑strength optical ground wire and all‑dielectric self‑supporting cables with fiber counts up to 144, designed for harsh overhead environments and low‑sag performance.

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New Distribution automation and relay protection devices

Distribution Automation & Relay

Intelligent electronic devices (IEDs), fault detectors, reclosers, and fiber differential relays for medium‑voltage networks, enabling fast fault isolation and service restoration.

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Distributed fiber optic sensing for transmission and distribution

Fiber Optic Sensing

Distributed temperature (DTS) and acoustic (DAS) sensing systems, plus FBG sensors for real‑time monitoring of lines, cables, transformers, and underground assets.

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Substation communication switches and synchronization

Substation Communication

IEC 61850‑certified industrial switches, media converters, and PTP/NTP time servers for reliable, low‑latency substation automation and teleprotection.

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Recommended Transmission line monitoring with weather and video sensors

Line Monitoring

Integrated systems combining fiber sensing, weather stations, and AI‑based video analytics for sag, temperature, ice, and dynamic line rating monitoring.

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Energy internet and private optical backbone networks

Energy Internet & Private Networks

End‑to‑end optical transport (SDH/MSTP, OTN) and packet networks for utility private backbones, supporting SCADA, teleprotection, and wide‑area monitoring.

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Fiber differential protection relays for power lines

Fiber Differential Protection

High‑speed differential protection relays with fiber optic communication, offering sub‑cycle tripping and built‑in fault recording for line and transformer protection.

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Substation automation and integration platforms

Substation Automation & Integration

Scalable automation controllers, RTUs, and gateway solutions for integrating protection, control, and monitoring into a unified grid management system.

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SAS Smart Grid Networks R&D and manufacturing facility in Paris
10+
Years of Power Grid Innovation
ABOUT SAS SMART GRID NETWORKS

Power Communication & Smart Grid Specialists

We are a European manufacturer and system integrator, focused on delivering future‑ready solutions for utilities, renewable energy, and industrial power systems. Our 14,000 m² facility near Paris combines cable manufacturing, electronics assembly, and fiber optics labs. With a dedicated R&D team of 15 engineers, we serve grid operators and energy companies across 30+ countries.

70+ Skilled Staff

Experienced production, QC, and field support teams

35+ Export Markets

Global footprint across Europe, Africa, and the Middle East

ISO & CE Certified

ISO 9001, CE, RoHS, and IEC 61850 compliance

24/7 Technical Support

Multilingual assistance for field deployments

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WHY SAS SMART GRID NETWORKS

Five Pillars of Excellence

Reliability, innovation, and responsiveness

In‑House R&D

15 senior engineers driving innovation in cable design, protection algorithms, and communication protocols for smart grids

Own Factory

14,000 m² modern facility with cable extrusion, SMT, and assembly lines

Quality Assured

Full traceability from raw materials to finished goods; 100% tested before shipping

Fast Delivery

4–7 days lead time for stock items; expedited production for urgent projects

OEM/ODM

Full customisation – logo, packaging, colours, and technical specifications

OEM / ODM CAPABILITIES

Custom Solutions for Your Brand

We offer flexible OEM/ODM services for distributors, system integrators, and grid operators. From concept to delivery, we help you build a distinctive product line.

  • Brand Logo Imprinting on cables, enclosures, and modules
  • Custom Packaging – colour boxes, labels, and manuals
  • Colour Customisation for cabinets and closure shells
  • Specification Adjustment – fiber count, connector types, protection schemes
  • Certification Assistance – support for local market approvals
1

Requirement Discovery

Define product specs, order quantity, and target pricing

2

Engineering Design

Our team drafts technical drawings and BOM

3

Sample Approval

We produce samples and iterate until you are fully satisfied

4

Mass Production & Logistics

Batch manufacturing, QC, packaging, and global shipping

ISO
ISO 9001
CE
CE Certified
RoHS
RoHS Compliant
IEC
IEC 61850
SGS
SGS Audited
CLIENT FEEDBACK

What Our Customers Say

Real reviews from the field

★★★★★

The OPGW and ADSS cables supplied by SAS Smart Grid Networks performed exceptionally well during our grid expansion. Their fiber differential protection also significantly improved our fault response times.

AL
Ana Lopez
Grid Infrastructure Director, EDF
★★★★★

Their distribution automation and relay protection systems enabled us to reduce outage durations by 40%. The integration with our SCADA was seamless.

MR
Marco Rossi
CTO, Enel Italia
★★★★★

The DAS system for transmission line monitoring has been flawless. We now detect vegetation encroachment and conductor vibrations in real time, avoiding costly failures.

PS
Pierre Schmitt
Operations Manager, RTE
NEWS & INSIGHTS

Industry Updates

Stay ahead with the latest in smart grid, power communication, distribution automation, and energy transition technologies

Ghana Smart Integrated Power Supply Device
2025-06-06 · Energy Internet

Ghana Smart Integrated Power Supply Device

The state of the Ghana Power System reflects a story of progress, challenges, and future potential. Ghana has experienced significant milestones and achievements in its power system, including the.

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Power outage protection for distribution boxes
2025-04-13 · Substation Comms

Power outage protection for distribution boxes

The key protective devices —such as fuses, circuit breakers, relays, and surge protectors—that help ensure the safety, reliability, and efficiency of power distribution. Figure 1: Protection. A surge protector (SPD) is an electrical component used to protect electrical equipment from damage caus

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PoE monitoring of switch power supply
2025-04-02 · Fiber Sensing

PoE monitoring of switch power supply

To monitor the power consumption of all PoE interfaces on the switch, use the following command: status status power consumption ge-0/0/0 Enabled ON 15. 0W 0The Catalyst Center Power over Ethernet (PoE) enables you to monitor the PoE-capable devices in your network. This eliminates the need for sepa

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South Sudan Power and Communication Optical Cable
2025-03-18 · Distribution Automation

South Sudan Power and Communication Optical Cable

(LUSAKA) – South Sudan will begin the construction and installation of its national fibre optic cable in December, connecting the country to the Indian Ocean through Kenya in a major step toward improving internet access and digital infrastructure. This initiative aims to strengthen South Sudan's

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Fiber optic communication power cable models
2025-03-16 · OPGW

Fiber optic communication power cable models

There are two types of these cables, OPGW (optical power ground wire) and OPPC (Optical power phase conductor) cables. OPGW and OPPC cables are not a new concept. The powered fiber cabling solution combines high-performance, low-latency fiber-optic data connectivity with a copper low-voltage dc powe

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Commercial fire protection power distribution box
2025-02-21 · Relay Protection

Commercial fire protection power distribution box

This box is specially designed for fire protection scenarios, providing comprehensive protection for fire protection-related circuit components, control panels, and cable terminals, ensuring stable and safe power supply for fire protection equipment. A wide range of wall enclosures (flush/surface/en

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Ready to Build Your Smart Grid?

Request a quote for OPGW/ADSS cables, distribution automation, relay protection, fiber sensing, substation networks, or private grid communication – we respond within 24 hours.

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