Route optimisation and mapping
Line routing, profile modelling and Right-of-Way (ROW) strategy designed to minimise environmental impact and land acquisition exposure — usually the single largest source of programme risk on a transmission project.
Energy & Power
Transmission lines
DMC designs and supervises 132 kV, 220 kV and 500 kV high-voltage transmission lines, covering route optimisation and right-of-way strategy, lattice steel tower and monopole design, conductor sizing and sag-tension analysis, OPGW lightning protection and telemetry, and line-in-line-out substation interconnection.
DMC is a specialised power engineering consultancy with proven expertise in designing and supervising 132, 220 and 500 kV high-voltage transmission lines — the linear infrastructure that connects heavy generation assets to utility grid substations.
We handle the entire lifecycle, from initial route profiling to final conductor stringing supervision. Our networks are engineered to minimise line losses, withstand extreme environmental loading, and pass rigorous utility audits without the rework that turns a six-month programme into eighteen.
Full engineering scope
Structural tower engineering
Complete mechanical design of lattice steel towers and compact narrow-base monopoles, including angle, tension and dead-end configurations.
Electrical and corona analysis
Sizing of single and bundled conductors, insulator string coordination, and sag-tension analysis accounting for maximum environmental heat and ice loading.
Lightning protection and telemetry
Integration of Optical Ground Wire (OPGW) systems for shielding against lightning strikes and for high-speed grid data communications.
Substation interconnection
Terminal structure design and line-in-line-out (LILO) arrangements for injection into existing grid networks.
Also in Energy & Power
Talk to the transmission lines team.
Common questions
Frequently asked questions
What voltages of transmission line does DMC design?
132 kV, 220 kV and 500 kV high-voltage transmission lines, from initial route profiling through to supervision of conductor stringing.
Does DMC handle route selection and right-of-way?
Yes. Route optimisation, profile modelling and right-of-way strategy are part of the scope, aimed at minimising environmental impact and land acquisition exposure — usually the largest single source of programme risk on a transmission project.
What tower types does DMC design?
Lattice steel towers and compact narrow-base monopoles, including suspension, angle, tension and dead-end configurations, with sag-tension analysis accounting for maximum environmental heat and ice loading.