Electrical Considerations When Expanding a Manufacturing Facility

Jul 28, 2026

Expanding a manufacturing facility is an exciting opportunity to increase production capacity, improve efficiency, and support long-term business growth. However, adding square footage or installing new equipment often requires much more than additional floor space. Your electrical infrastructure must also be prepared to handle increased demand safely and reliably.

Many expansion projects encounter delays or unexpected costs because electrical planning begins too late in the process. By addressing electrical infrastructure early, manufacturers can avoid production interruptions, reduce change orders, and create a facility that supports future growth.

Here are the most important electrical considerations when planning a manufacturing facility expansion.

Evaluate Your Existing Electrical Capacity

Before designing an expansion, determine whether your current electrical system can support additional loads.

A comprehensive electrical assessment should evaluate:

  • Incoming utility service
  • Main switchgear
  • Transformers
  • Distribution panels
  • Motor control centers
  • Existing circuit capacity
  • Available spare capacity

An industrial electrical contractor can perform a load analysis to identify whether upgrades are needed before new equipment is installed.

Starting with accurate data helps prevent overloaded systems and costly redesigns later in the project.

Forecast Future Power Requirements

Many facilities design expansions around current production goals rather than long-term growth.

Ask questions such as:

  • Will production continue to increase over the next five to ten years?
  • Are additional manufacturing lines planned?
  • Will robotics or automated systems be added?
  • Are electric process loads expected to grow?
  • Could future sustainability initiatives increase electrical demand?

Planning for future capacity often costs less than completing another major upgrade just a few years later.

Coordinate Early with Your Utility Provider

Utility service upgrades can significantly affect project schedules.

Depending on your facility’s needs, the utility may need to:

  • Increase available service capacity
  • Upgrade transformers
  • Modify service entrances
  • Install new distribution equipment
  • Extend electrical service

These improvements often require long lead times, making early coordination essential for keeping expansion projects on schedule.

Design for Reliable Power Distribution

As facilities grow, electrical distribution becomes increasingly complex.

Expansion projects should evaluate:

  • Distribution panel capacity
  • Switchgear sizing
  • Feeder routing
  • Voltage drop
  • Equipment redundancy
  • Load balancing

Properly designed power distribution improves reliability while supporting future equipment additions without extensive modifications.

Plan for Industrial Automation

Manufacturing expansions frequently include new automation technologies.

Electrical planning should account for:

  • PLC systems
  • Industrial control panels
  • Variable frequency drives
  • Robotics
  • Sensors
  • Industrial networking
  • SCADA integration

Coordinating automation requirements early reduces installation challenges and allows production systems to come online more efficiently.

Minimize Production Downtime

Few manufacturers can afford extended shutdowns during construction.

Successful expansion projects often use phased construction strategies that include:

  • Planned shutdown windows
  • Temporary power solutions
  • Off-shift installations
  • Weekend work
  • Equipment sequencing

Working closely with an experienced industrial electrical contractor helps minimize disruptions while maintaining a safe work environment.

Consider Energy Efficiency

Facility expansions provide an excellent opportunity to improve energy performance.

Potential upgrades include:

  • LED lighting systems
  • High-efficiency motors
  • Variable frequency drives
  • Smart energy monitoring
  • Power quality improvements
  • Modern electrical controls

Energy-efficient systems can reduce operating costs while supporting sustainability goals and improving overall facility performance.

Ensure Code Compliance

Electrical codes continue to evolve as new technologies and safety standards emerge.

Expansion projects should comply with applicable versions of the National Electrical Code (NEC), local building codes, and industry-specific regulations.

Early involvement from qualified engineers and industrial electricians helps identify compliance requirements before construction begins.

Build Flexibility into the Design

Manufacturing environments change quickly.

Instead of designing solely for today’s equipment, consider incorporating flexibility that supports future modifications.

Examples include:

  • Additional conduit capacity
  • Spare breaker space
  • Oversized cable trays
  • Future panel capacity
  • Flexible equipment layouts

These relatively small investments can make future expansions faster and more cost-effective.

Choose the Right Project Delivery Method

Electrical work is closely connected to every phase of a manufacturing expansion.

Many organizations choose a design-build approach because it improves coordination between engineering, construction, and operations teams.

Benefits include:

  • Earlier cost visibility
  • Faster project delivery
  • Better collaboration
  • Reduced design conflicts
  • Improved schedule management

Design-build also provides greater flexibility when project requirements evolve during construction.

Common Mistakes to Avoid

Even well-planned expansions can encounter challenges if electrical planning is overlooked.

Some of the most common mistakes include:

  • Underestimating future electrical demand
  • Waiting too long to involve electrical contractors
  • Ignoring utility lead times
  • Designing around existing limitations instead of future growth
  • Focusing only on initial construction costs
  • Overlooking automation requirements
  • Failing to plan for ongoing maintenance access

Addressing these issues early can reduce risk and improve overall project performance.

Build for Long-Term Growth

A manufacturing expansion is more than a construction project. It is an investment in your facility’s future.

Careful electrical planning ensures your infrastructure can support increased production, emerging technologies, and future business growth while maintaining safe and reliable operations.

By evaluating existing systems, planning for future capacity, coordinating with utilities, and partnering with experienced industrial electrical professionals, manufacturers can complete expansion projects with greater confidence and fewer unexpected challenges.

Partner with Van Ert Electric

Successful manufacturing expansions require more than skilled electricians. They require experienced partners who understand industrial operations, complex power distribution systems, automation, and project coordination.

Van Ert Electric provides design-build electrical services, industrial construction, automation and controls, power distribution, preventative maintenance, and long-term electrical support for manufacturers throughout Wisconsin and the Upper Midwest.

Whether you are expanding a single production line or building an entirely new facility, our team can help design and install the electrical infrastructure needed to support your next stage of growth.

Contact Van Ert Electric today to discuss your manufacturing facility expansion project.