Transmission & Distribution Structures — Engineered for Performance. Built for the Long Haul.

ER Steel designs, fabricates, and supplies transmission structures up to 500kV — Monopole and Lattice Towers — for greenfield and augmentation programs worldwide. We bring investment-grade structure selection expertise, cost intelligence, and a proven hybrid deployment model to protect your IRR and your schedule.

What We Supply

Structure Types

  • Transmission monopoles — single shaft, multi-sided, up to 500kV
  • Lattice Towers — standard and custom configuration
  • Cross-arms, davit arms, and associated hardware
  • Full structure supply including all hardware and conductors

Engineering & Design

  • Structural design and analysis for monopoles and lattice towers
  • Civil and foundation engineering coordination
  • Constructability review and erection methodology
  • Detailed fabrication drawings and material take-offs
Construction Execution (via ER Industrial)

Construction Execution (via ER Industrial)

  • Civil foundations — bored pier, rock-socketed, spread pad, raft, and CFA pile
  • Structure erection and overhead line installation
  • Stringing, tensioning, and hardware fitment
  • Full EPC or construction management delivery

Our Facility

Our Globally certified manufacturing facility is purpose-built for large-scale transmission structure fabrication. From Monopole shafts to complex Lattice Tower components, every structure ships with full material certification, weld records, and hold-point inspection documentation — ready for immediate field installation.

Learn more About ER Steel

Why ER Steel

  • Global track record — transmission programs delivered across six continents
  • Up to 500kV — greenfield and augmentation, monopole and lattice
  • Hybrid deployment model — optimized structure selection for every corridor segment
  • Integrated delivery — ER Steel supplies, ER Industrial installs, one accountable team
  • 98% on-time delivery — fabrication sequenced to your installation program

Certifications

All welders and inspectors hold CWI, AWS, and GB certifications.

Painters and inspectors are NACE certified.

ER Steel is an approved design and fabrication company for pre-engineered steel buildings, certified under the A 660 standard. This certification confirms our buildings are designed and fabricated to meet rigorous structural and safety requirements.

Let's talk about your transmission program.

Let’s talk scope, schedule, and supply.

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