Scroll Down

What we do

SLDCC delivers end-to-end EPC and turnkey support for high- and medium-voltage transmission lines, substations, and related facilities for electrical works and general building construction.

See our projects

Engineering

  • Detailed engineering and design for 69kV to 500kV overhead transmission lines
  • AIS and GIS substation design support
  • Route and topographic surveys
  • Geotechnical investigation and soil testing

Procurement

  • Sourcing of transformers, GIS equipment, switchgear, and breakers
  • Supply of towers, poles, conductors, insulators, and accessories
  • Control, protection, communication, and fiber optic systems
  • Vendor coordination, importation, logistics, and warehousing

Construction

  • Site development, foundations, control houses, and access roads
  • Erection of lattice towers, tubular gantries, and steel poles
  • Stringing, sagging, trenching, laying, and termination works
  • Assembly and installation of substation equipment and power cables

Testing & Commissioning

  • Pre-energization testing for transmission lines and substations
  • Protection relay configuration and functional tests
  • SAS, SCADA, and RTU integration support
  • Fiber optic OTDR, continuity, and end-to-end testing
Current Developments

On-going Projects

A quick look at selected SLDCC projects currently in progress.

See More
Western Luzon 500kV Backbone Project - Castillejos and Balsik Substation Portion On-going
Substation • Castillejos, Zambales

Western Luzon 500kV Backbone Project – Castillejos & Balsik Substation Portion

NGCP substation works currently progressing in Castillejos and Balsik, Zambales.

View Project
Engineering, Supply, and Construction of the 230kV Double Circuit Underground Transmission Line Project On-going
Transmission Line • Castillejos, Zambales

230kV Double Circuit Underground Transmission Line Project

Underground transmission line construction for the ACEN project in Castillejos, Zambales.

View Project
VENA Lasso 550MW Photovoltaic EPC Project in Philippines (Contract for Electrical Section Survey, Geological Survey and Construction) On-going
Civil Works • Labrador, Pangasinan

VENA Lasso 550MW Photovoltaic EPC Project in Philippines (Contract for Electrical Section Survey, Geological Survey and Construction)

View Project
See More
Trusted Network

SLDCC Foreign Partners & Suppliers

Partner with us
Trusted by industry leaders

SLDCC Major Clients

Organizations that continue to rely on SLDCC for dependable construction support and infrastructure delivery.

More Clients
National Power Corporation
National Power Corporation
EEI Corporation
EEI Corporation
National Grid Corporation of the Philippines
NGCP
Manila Electric Company
MERALCO
Citra Metro Manila Tollways Corporation
Citra Metro Manila Tollways Corp
National Transmission Corporation
TRANSCO
,
Latest news

From the SLDCC Newsroom

Follow milestone ceremonies, project highlights, and company updates from recent SLDCC activities.

View all news
Groundbreaking Ceremony of Western Luzon 500kV Backbone Project
June 8, 2022 6-photo gallery

Groundbreaking Ceremony of Western Luzon 500kV Backbone Project (Stage 2)

See the featured ceremony article with project milestone details and a full image gallery.

Read article Open newsroom
Need to publish one?

Send your milestone to admin

Email the write-up and photos for posting on the SLDCC news page.

Contact admin
Ready to work with SLDCC?

Let’s discuss your project requirements, schedule, and site support needs.

From transmission line works to substation support, our team is ready to coordinate the next steps with you.

Request a proposal View projects