Why Backup Power Projects Are Stalling on Switchgear, Not Generators

When a facility commits to standby power, most of the planning attention goes to the generator itself - fuel type, kW rating, run time. Increasingly, though, contractors report that the generator is not what holds a project up. It is the automatic transfer switch and paralleling switchgear that routes power between utility and standby sources.

Why the switch matters as much as the source

An automatic transfer switch (ATS) detects utility loss and transfers a facility's load to generator power, then transfers back once utility service is restored. For multi-generator installations, paralleling switchgear coordinates several units to act as one source, matching output and sharing load. Neither component generates power, but a facility cannot use generator power safely or automatically without them.

Sizing and code coordination

ATS and paralleling gear must be sized and coordinated with the connected load, the generator output, and applicable code requirements for emergency, legally required, and optional standby systems, which vary by occupancy and jurisdiction. Coordination studies typically happen alongside generator selection rather than as an afterthought, since a mismatched switch can bottleneck an otherwise correctly sized generator.

Where the lead-time gap shows up

Generator manufacturers have worked to communicate lead times clearly given well-documented supply constraints in recent years. Switchgear and ATS lead times have received less attention publicly, even though custom-configured switchgear can carry comparable or longer build times at some manufacturers - a gap that catches project timelines off guard when the generator arrives on schedule but the switching equipment does not.

How some suppliers are responding

One documented response to that gap has been suppliers carrying in-stock inventory rather than building every unit to order. Verified Breakers, an electrical equipment supplier operating warehouses in Colorado, Texas, and California, positions its inventory model around 24-48 hour turnarounds on in-stock panel and switchgear equipment, an example of stocked-inventory sourcing as an alternative to a standard build-to-order timeline for time-sensitive backup power projects.

What this means for project planning

Facility teams evaluating backup power increasingly request lead-time confirmation on the ATS and switchgear at the same point they confirm generator lead time, rather than treating the switch as a smaller line item. For projects on a compressed schedule, checking stocked availability on the switching equipment - not just the generator - has become a standard part of early procurement conversations.