Quick answer: Most steel utility and transmission poles start as a tapered, trapezoid shaped blanks cut from plate. A long, high-tonnage press brake forms the blank into a multi sided shell, then the seam is welded, base plates and hardware are added, and the pole is galvanized. Doing this in house takes a large format fiber laser and a large format press brake.

The grid is being rebuilt, and much of it is being rebuilt in steel. Utility companies are replacing aging wood poles and lattice towers to meet rising electricity demand from data centers, electrification, and manufacturing. The U.S. Department of Energy has reported that 70 percent of transmission lines are over 25 years old, and pole makers are adding capacity to keep up. In October 2026, Nucor announced a $105 million expansion of its utility structures plant in Indiana, citing strong demand in the utility market. It is also building a new pole plant in Brigham City, Utah.

For fabricators, that demand creates an opportunity, and also a capacity problem. Steel poles are long, heavy, and thick, and most shop equipment isn’t big enough to handle these demands. This guide walks through how a tapered steel pole is made, which machine specs actually matter, and what it takes to cut and form pole sections in your own shop.

Steel distribution and transmission poles are usually multi-sided (polygonal) rather than perfectly round, and most taper from a wide base to a narrow top. The process is the same whether you’re building distribution poles, transmission structures, or high mast lighting poles:

Material handling ties all of this together. Pole blanks are heavy and awkward, so production lines use plate rotators, conveyors, and pushers to move parts between cutting, bending, and welding. According to The Fabricator, a well-designed pole line can form and fabricate a pole about every 20 minutes and can run with as few as four people, not counting final welding and prep.

Pole forming pushes a press brake harder than almost any other job. A pole section is long, the plate is thick, and every section needs many bends in the same blank. These are the specs that decide whether a machine can do the work:

Bed length
The bed must be at least as long as your longest pole section, and pole sections commonly run from 20–30 feet up to 60 feet and beyond. Plan on 40 feet or more for most pole work. A tandem press brake gives you 60 feet or more and can split into two machines for shorter sections.

Tonnage
The force you need rises with plate thickness, material strength, and bend length, so long bends with thick plate add up fast. Size the machine for your thickest, strongest, longest section, and leave headroom for future work. A good place to start is running your numbers through our tonnage calculator.

Open height and tooling
As the shell closes up, it has to clear the punch and the ram, and pole tooling often uses very tall punches, sometimes 2 to 3 feet. Make sure the machine has enough open height and stroke for tall punches and a nearly closed shell.

Crowning
On long, thick bends, the bed and ram deflect, so the bend angle opens up in the middle compared to the ends. CNC-controlled crowning corrects for this automatically. See why crowning matters.

Backgauge and control
A tapered blank has to stay correctly oriented through every bend, and the bend sequence matters. Look for a CNC backgauge and a 3D graphical control that can program long bend sequences.

Material handling
Even at a smaller (in comparison) 20ft blank in thick plate is too heavy to move by hand, and a formed shell is even more awkward. Plan sheet followers, pole pushing or pulling systems, and crane access from the start.

Every pole starts with an accurate blank. If the taper is off or the edges aren’t straight, the seam won’t close cleanly and the welders spend their time fighting fit-up. That’s why the cutting machine matters as much as the press brake.

The Accurl Smart Giant large format fiber laser is built for pole work:

• Full-length blanks in one setup. Modular beds run from 10 m up to 40 m (about 132 ft) long and up to 3 m wide, so you can cut a full pole section without repositioning.
• Thick plate. With up to 60 kW of laser power, it cuts up to 4″ of steel.
• Straight, accurate edges. ±.002″ accuracy across the bed means the seam edges line up when the shell closes.
• Everything else on the pole. The same machine cuts base plates, flange plates, gussets, brackets, handholes, door openings, and bolt patterns with round, bolt-ready holes.
• Tight nesting. A narrow kerf lets you nest tapered blanks closely and get more parts per plate.

Many pole shops still cut blanks on plasma. On 1″–2″ plate, a high-power fiber laser generally cuts as fast or faster, with squarer edges and far less grinding. For the full comparison, see Large Format Fiber Laser vs. Plasma for Heavy Plate.

The Accurl Giant Series press brake is custom-engineered for heavy plate work like pole forming:

• 600 to over 6,000 tons of bending force.
• Bed lengths from 20 to over 40 feet on a single machine, or 60 feet and beyond as a tandem press brake.
• Delem DA69T 3D graphical control for programming long bend sequences.
• CNC crowning and optional WILA hydraulic tool clamping for consistent angles along the full length.
• Hybrid servo drive with an oil tank up to 90% smaller and up to 65% better energy efficiency than conventional hydraulic systems.
• Optional Pole pushing and pulling systems for moving long sections through the machine.

Every Giant Series machine is built around the parts it will make. We use finite element analysis on each frame and work with you to size tonnage, length, open height, and tooling for your pole processing operation. If you’re deciding between one large machine and two working in tandem, read Tandem Press Brake vs. Large Format Press Brake.

Some round and conical sections are rolled instead of brake formed. If that’s part of your mix, we also carry plate rolls.

Smith Industries, a family-owned fabricator in Midland, Texas, runs a Utilities Division that designs and fabricates steel power poles for transmission and distribution. To form full-length pole sections in-house, Smith worked with Moore Machine Tools to install a 60-foot, 2,200-ton Accurl tandem press brake, which Smith calls the largest press brake in West Texas.

The machine checks every box from the sizing list above. The 60-foot bed handles full-length sections. The ±1° accuracy over 60 feet keeps long seams lining up for welding. The adjustable Vario die lets one machine form a wide range of plate thicknesses without a stack of fixed dies. Because the tandem can split into two 1,100-ton machines, Smith can form a long pole section on the full bed, or run shorter parts on each half at the same time.

With the brake in place, Smith now offers single-seam and double-seam pole designs, wood-pole-equivalent steel designs, and both welded and non-welded pole sections. The same machine also forms parts for communication towers, wind, bridges, highway barriers and DOT signage, and trailers and dump trucks.

It depends on your volume and your customers. Bringing pole cutting and forming in-house usually makes sense when:

• You’re outsourcing forming and losing lead time or margin to another shop.
• You’re quoting utility, transmission, or lighting work and turning down jobs because your equipment is too small.
• Your welders spend hours on fit-up because plasma-cut blanks don’t close cleanly.
• You want long-term infrastructure work. Grid replacement projects run for years, and utilities favor suppliers who can deliver consistently.

Pole equipment is a large investment, so plan the whole line, not just the machines: foundation, crane coverage, material flow, and welding. We help customers lay out the full process. See our financing options to spread out the cost.

Send us your pole range: lengths, plate thicknesses, material grades, and target volume. We’ll recommend the laser and press brake configuration that fits, and show you what it would take to bring pole fabrication in-house. Contact Moore Machine Tools or call (801) 280-6700.