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McNICHOLS CO.

How Specialty Metals & Gratings Transform Energy Substations

Learn how McNICHOLS® Specialty Metals and Gratings enhance substation construction with durable and non-conductive solutions.

Specialty Metals & Gratings for Substations

With rapid data center development, population growth, and increasing electrification on the rise, utility infrastructure must keep pace. Grid resiliency is top of mind for energy contractors who are charged with continued substation construction. One way to combat the rising demand is to ensure those infrastructure projects are prepared to sustain large workloads for long periods of time, reducing downtime and depreciation as much as possible. Proper material sourcing is key in preventing early replacement costs and structural damage.

That's where McNICHOLS® Specialty Metals and Gratings come in. Products such as these provide the necessary airflow for temperature regulation while keeping property boundaries secure and supporting walkways, equipment structures, and more.

How Specialty Metals Benefit Substation Construction

Future-Proofing, Efficiency, and Reliability

Meeting Extensive Efficiency Standards: New U.S. Department of Energy (DOE) efficiency requirements scheduled to take effect in 2029 are prompting utility planners to evaluate new construction projects against even stricter standards. As new sites take shape or old substations are modernized, long service life and reduced maintenance are key considerations in material sourcing. Stainless Steel and Aluminum, both recyclable and long-lasting, fit the necessary profile. Specialty Metals with proper finishing and fabrication, like Expanded Metal and Wire Mesh, deliver the strength and reliability needed.

Reducing Downtime: Energy substations and data centers require continuous operation with minimal downtime. Fiberglass Grating and corrosion-resistant Specialty Metals are rust-resistant, reducing degradation. Since they don’t need to be re-coated, painted, or replaced as often, they help lower maintenance labor and shutdowns. Lightweight materials like Fiberglass Grating also allow for faster installation and easier retrofit.

Industry Compliance, Safety, and Risk Reduction

Decreasing risks and improving compliance in high-risk operations: Proximity to high voltage (often ranging from 115 kV to 500 kV) can be dangerous. Short circuits and arc-flash events release intense thermal energy that can damage equipment or cause fires. Fire-resistant Phenolic Grating can prevent sparks from escalating into greater hazards.

Providing better access and improving safety: Substations require safe access for inspection, maintenance, and emergency response. Non-conductive Fiberglass Grating reduces the risk of electrical currents carrying through flooring, while slip-resistant surface profiles increase traction and worker safety. In addition, the open area of Gratings allows water and debris to flow through, decreasing maintenance and keeping pathways clear and accessible.

Perforated Metal screens act as secure but ventilated equipment cages in a substation facility
Perforated Metal screens act as secure but ventilated equipment cages in a substation facility.

Industry Compliance, Safety, and Risk Reduction

Decreasing risks and improving compliance in high-risk operations: Proximity to high voltage (often ranging from 115 kV to 500 kV) can be dangerous. Short circuits and arc-flash events release intense thermal energy that can damage equipment or cause fires. Fire-resistant Phenolic Grating can prevent sparks from escalating into greater hazards.

Providing better access and improving safety: Substations require safe access for inspection, maintenance, and emergency response. Non-conductive Fiberglass Grating reduces the risk of electrical currents carrying through flooring, while slip-resistant surface profiles increase traction and worker safety. In addition, the open area of Gratings allows water and debris to flow through, decreasing maintenance and keeping pathways clear and accessible.

A walkway of Fiberglass Grating.
Fiberglass Grating platforms act as a non-conductive access way.

Security and Infrastructure Protection

Meeting high-security operational needs: Attacks on substations can cause widespread power outages and real damage to a grid. As utilities continue strengthening physical security programs, Specialty Metals and Gratings are central to these efforts. Their open area, combined with strength, improves perimeter security through both visibility and separation. Welded Wire Mesh, Expanded Metal, and vertically installed Bar Grating offer rigid, tamper-resistant solutions for barriers.

Image of an Expanded Metal facade on a Minneapolis substation.
Item 46003122 - Expanded Metal façade encloses a Minneapolis substation facility for security.

Recommended Products

Perforated Metal rendering for substations.

Perforated Metal

Applications: acoustic screens, architectural facades, equipment covers, ventilated panels

Wire Mesh rendering for substations.

Wire Mesh

Applications: equipment guards, safety barriers, ventilated enclosures, security partitions

Gratings rendering for substation facilities.

Safety Grating

Applications: equipment platforms, walkways, trench covers, drain covers

Conclusion

As the energy grid continues to expand through 2029, substations are required to support increasingly greater volumes of energy with minimal downtime and maximum reliability. These facilities need to deliver dependable power and withstand the elements to comply with strict safety and usage standards. Specialty Metals and Gratings can help substation contractors address these challenges and support longer service lives for a more reliable grid.

McNICHOLS is the leading supplier of Specialty Metals and Gratings in the U.S. and has 19 locations nationwide. We are ready and Inspired to Serve® you at 855.318.8791, [email protected], or via Live Chat on mcnichols.com.