Selected Work

Projects

A selection of substation, underground cable, protection & SCADA modernisation, and power-quality projects delivered across Saudi Arabia for Aramco, Saudi Electricity (SE), and the National Water Company.

01 · Project Portfolio
SubstationIn Progress

Expansion of 33kV Switchgear at PSS-3 (SPARK) and Construction of New 33kV Smart Metered Ring MSSD

33kV
Client
Aramco
Location
Jeddah, KSA
Year
2026

Rehabilitation of the existing 33kV switchgear, replaced with a new switchgear design to enhance overall substation performance, and replacement of the existing protection relays with new, modern-generation relays across several substations.

NAESC-SS-001
SubstationIn Progress

Replacement of 110kV LPOF Underground Cable Circuits JMC-TR01-TR02 & TTC-AL03-AL04

132kV
Client
SE
Location
Jeddah, KSA
Year
2026

Full design for the replacement cable circuits including cable routing and calculations across several substations — P&C panel design, relay settings, earthing design, and cable schedules.

NAESC-SS-002
SubstationIn Progress

Replacement of 132kV LPOF Underground Cable Circuits 8025-9015B, 8166-9004 & 8009-8072 in COA

132kV
Client
SE
Location
Riyadh, KSA
Year
2026

Full design for 132kV cable circuits including cable routing and calculations across several substations in Riyadh — P&C panel design, relay settings, earthing design, and cable schedules.

NAESC-SS-003
SubstationIn Progress

Construction of New 132/33kV Mughyira Substation

132/33kV
Client
SE
Location
AlUla, KSA
Year
2024

Construction of a new 132/33kV substation including the entire scope of work for electrical, civil, mechanical, and architectural designs.

NAESC-SS-004
SubstationIn Progress

Construction of New 132/33kV Royal Commission Eastern Substation

132/33kV
Client
SE
Location
AlUla, KSA
Year
2024

Construction of a new 132/33kV substation including the entire scope of work for electrical, civil, mechanical, and architectural designs.

NAESC-SS-005
Power QualityIn Progress

Construction of 33kV STATCOM with 20MVAR at RCU-E Substation

33kV
Client
SE
Location
AlUla, KSA
Year
2024

Construction of new 33kV STATCOM designs including the entire scope of work for electrical, civil, and mechanical designs.

NAESC-SS-006
SubstationCompleted

Retirement of Existing Wooden Poles 115kV OHTL Between Khurais 380 BSP and RWPS 3C (LV6) Substations

115kV
Client
SE
Location
Dammam, KSA
Year
2024

Addition of a 115kV GIS bay and construction of a new 33kV building including the entire scope of work for electrical, civil, mechanical, and architectural designs.

NAESC-SS-007
SubstationCompleted

Reinforcement of New Zallum 33/13.8kV Substation

33kV
Client
SE
Location
Zalloum, KSA
Year
2024

Replacement of the 33/13.8kV substation with new 33kV switchgear including the entire scope of work for electrical, civil, mechanical, and architectural designs.

NAESC-SS-008
SubstationCompleted

Rehabilitation of Air Defence (ADF) Substations in Jeddah

13.8kV
Client
SE
Location
Jeddah, KSA
Year
2022

Rehabilitation of the existing 13.8kV switchgear, replaced with a new switchgear design to enhance overall substation performance.

NAESC-SS-009
SubstationCompleted

Installation, Design and Engineering Services for Installation of MV Circuit Breakers in WOA and NWOA

33kV
Client
SE
Location
Makkah, KSA
Year
2022

Rehabilitation of the existing 13.8kV switchgear, replaced with a new switchgear design to enhance overall substation performance.

NAESC-SS-010
SubstationCompleted

Replacement of 33/13.8kV Power Transformers at S/S Nos. 7040, 7041, 7781 & 7904 by 20 MVA 33/13.8kV Power Transformers, and Protection & SCADA Requirements for S/S 7218

33/13.8kV
Client
SE
Location
Riyadh, KSA
Year
2022

Replacement of the old power transformers with new units to enhance and upgrade overall substation capacity.

NAESC-SS-011
SubstationCompleted

Replacement of Existing 33kV Old Cable, and Protection, SCADA and Communication Modification in 13 Substations in Riyadh

33kV
Client
SE
Location
Riyadh, KSA
Year
2022

Full design for 33kV cables including cable routing and calculations across several substations in Riyadh — P&C panel design, relay settings, earthing design, and cable schedules.

NAESC-SS-012
SubstationCompleted

Replacement of Existing 110kV Old Cable, Protection, SCADA and Communication Modification in 4 Substations in Madinah Area

132kV
Client
SE
Location
Madinah, KSA
Year
2022

Replacement of the existing protection relays with new, modern-generation relays across several substations.

NAESC-SS-013
SubstationCompleted

Refurbishment of 33kV Ayban, Muhayil and Samatah Substations in Jizan Area

33kV
Client
SE
Location
Jizan, KSA
Year
2021

Rehabilitation of the existing switchgear, replaced with a new switchgear design to enhance overall substation performance, and replacement of the existing protection relays with new, modern-generation relays across several substations.

NAESC-SS-014
SubstationCompleted

Replacement of Old Switchgear with New Main Switchgear

33kV
Client
National Water Company
Location
Al-Manfouha, KSA
Year
2021

Rehabilitation of the existing 13.8kV switchgear, replaced with a new switchgear design to enhance overall substation performance.

NAESC-SS-015
SubstationCompleted

Replacement of Old Switchgear with New Main Switchgear — STPPH4

33kV
Client
National Water Company
Location
Al-Manfouha, KSA
Year
2021

Rehabilitation of the existing 13.8kV switchgear, replaced with a new switchgear design to enhance overall substation performance.

NAESC-SS-016
SubstationCompleted

Replacement of Electro-Mechanical Relays at S/S 8703 with Numerical Relays Including Required Modifications

132kV
Client
SE
Location
Riyadh, KSA
Year
2021

Replacement of the existing protection relays with new, modern-generation relays.

NAESC-SS-017
SubstationCompleted

Replacement of Old Protection Relays with New IED Devices at OMR, ANS, RDS, RWD and TTC Substations

132kV
Client
SE
Location
Jeddah, KSA
Year
2021

Replacement of the existing protection relays with new, modern-generation relays across several substations.

NAESC-SS-018

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