Medium Voltage Equipment Lead Times 2026

Transformer lead times in 2026 are still long but uneven. Wood Mackenzie's Q2 2025 survey put power transformers at about 128 weeks, generator step-up units at 143–144 weeks, switchgear at 44 weeks and distribution transformers at roughly 30 weeks on average. Pad mount and dry type units generally quote well below power transformers, but every figure moves with rating, specification and manufacturer. For a firm date, ask for a current factory quote.

Current lead-time ranges by equipment type

The table below collects the most credible published figures we could find, with the source and date for each. Treat them as market averages. Your quote can come in shorter or longer depending on kVA, voltage class, design options and the factory's backlog on the day you order.

Equipment	Published lead time	Source and date
Large power transformers (substation)	~128 weeks average	Wood Mackenzie Q2 2025 survey, reported by POWER (Jan 2026) and EEPower (Aug 2025)
Generator step-up (GSU) transformers	143–144 weeks average	Wood Mackenzie Q2 2025 survey (Oct 2025 and Aug 2025 reporting)
Large transformers, substation and GSU	120–210 weeks	NEMA, NECA, NAED and GridWise Alliance letter to Commerce, June 2025
Distribution transformers, blended	~30 weeks average (down from 100+ weeks in 2023)	Wood Mackenzie, reported by EEPower, Aug 2025
Certain distribution transformers	115–130 weeks	NEMA-led coalition letter, June 2025
Three-phase pad mount transformers	40+ weeks	Contractor quotes cited by Giga Energy, Aug 2026
Medium voltage switchgear	~44 weeks average	Wood Mackenzie Q2 2025 survey
Pad mount transformers, reclosers	"Steady increases," no single figure published	Wood Mackenzie, Oct 2025

Two points stand out. First, the gap between the 30-week distribution average and the 115–130 week figure for "certain" units shows how much a specific rating or feature set matters. Second, most of the hard data is from 2025 surveys. Published 2026 numbers are thinner, which is why a current factory quote is worth more than any average.

Transformers: power, pad mount and dry type

Large power transformers remain the longest pole in most projects. Wood Mackenzie reported power transformer lead times near 50 weeks in 2021 and about 120 weeks by early 2024, with large units spanning 80–210 weeks. POWER magazine's January 2026 review found that distribution transformer availability had improved, while large units "remain locked above two years."

Supply is still short. Wood Mackenzie projected 2025 supply deficits of 30% for power transformers, 47% for GSUs and 10% for distribution transformers. It also expected prices to rise a further 20–30% depending on specification, driven by tariffs, copper and grain-oriented electrical steel.

Pad mount transformers sit in the middle. The distribution transformer average has fallen from 2023 peaks, but three-phase units for commercial and data center loads are still quoted at 40 weeks or more in some markets. Dry type transformers follow a similar pattern: standard indoor ratings move faster than custom cast resin or VPI designs with special BIL, K-factor or enclosure requirements. For context, a 2025 industry letter cited McKinsey data showing data center MV transformer lead times rising from 4–6 months in 2019 to 18–24 months in 2023.

Switchgear and reclosers

Medium voltage switchgear averaged about 44 weeks in Wood Mackenzie's Q2 2025 survey. That figure blends a wide mix of products. Metal-clad switchgear lineups with multiple breaker sections, custom relaying and arc-resistant options tend to fall on the long side. Standard padmount switchgear configurations with common ways and ratings usually move faster.

Reclosers are the least documented category. Wood Mackenzie lists them among the products with steady lead-time increases but has not published a single average. For reclosers and overhead switches, the control package, communications and sensor options often set the schedule more than the interrupter itself, so confirm the whole assembly when you request a date.

What drives lead times in 2026

Demand is the main driver. Wood Mackenzie reports that demand for T&D equipment grew 35–274% between 2019 and 2025, depending on the product, as data centers, manufacturing, solar deployment, grid hardening and electrification all pulled on the same factories. It also notes that 55% of distribution transformers in service exceed a 33-year service life, so replacement demand is not going away.

Supply adds friction. Grain-oriented electrical steel, copper windings and skilled labor remain tight, and new plants take years to build, staff and qualify. Design variety is another factor. The National Infrastructure Advisory Council has noted that US utilities specify more than 80,000 transformer variants, which limits how much factories can batch production.

How to shorten your lead time

You can shorten the schedule most by acting early and removing custom work. These steps have the biggest effect:

Spec early. Release a purchase order, or at least a firm specification, before site work is finished. Queue position now buys more time than a higher price, and Giga Energy's 2026 analysis recommends releasing equipment orders before financial close.
Choose standard ratings. Common kVA sizes, standard voltages (12.47 kV, 24.94 kV, 34.5 kV), standard BIL and common tap arrangements avoid engineering holds. Every nonstandard accessory adds design time.
Approve drawings fast. The factory clock often waits on you. Turning approval drawings around in days rather than weeks, and naming one reviewer with authority to approve, can save a month or more on a single order.
Qualify alternate manufacturers. Adding a second or third approved source to your spec lets you buy from whichever factory has open slots. Utilities with a single approved vendor per item have the least room to move.
Consider US-built options. Domestic plants cut ocean freight and customs from the schedule. JST Power Equipment announced a transformer plant in Wytheville, Virginia, in 2025 and opened it in May 2026. The plant builds liquid-filled single- and three-phase pad mount transformers, and JST's three-phase pad mount transformer and single-phase pad mount transformer are built there.
Group your buy. Placing multiple units under one order or a blanket agreement gives the factory a production run to plan around.

How Ryan Sales helps

Ryan Sales can provide current factory lead times on request for JST power transformers, cast resin dry type transformers and J100CLAD metal-clad switchgear, and for G&W Electric Trident-S padmount switchgear and Viper-ST reclosers. Our engineers can also flag spec choices that add weeks and suggest standard alternatives. We support utility, industrial and contractor projects in Texas and Oklahoma, and data center projects nationwide.

FAQ

What is the average transformer lead time in 2026?

It depends on the type. Wood Mackenzie's Q2 2025 survey, the most cited recent data, put power transformers at about 128 weeks, GSU transformers at 143–144 weeks and distribution transformers at roughly 30 weeks on average. Pad mount and dry type units usually fall between those extremes. Ratings, options and factory backlog shift each quote, so confirm with a current factory quote.

What is the lead time for a pad mount transformer?

Published figures for three-phase pad mount transformers run from about 30 weeks, the distribution transformer average, to 40 weeks or more for commercial and data center units, based on 2025–2026 reporting. Some specific ratings have been quoted far longer. Single-phase units with standard ratings are typically faster. Ask a rep for a factory date on your exact kVA and voltage.

What are switchgear lead times right now?

Wood Mackenzie reported an average of about 44 weeks for switchgear in Q2 2025. Standard padmount switchgear configurations tend to ship faster than that average, while multi-section metal-clad lineups with custom protection and controls often run longer. Early drawing approval and standard ratings are the two most reliable ways to pull a switchgear date forward.

How can I shorten equipment lead times?

Order or lock the specification early, choose standard ratings and accessories, return approval drawings quickly and approve more than one qualified manufacturer. US-built equipment removes ocean freight and customs from the schedule. Grouping units into one order also helps the factory plan. A rep can tell you which spec items are adding the most time to your quote.

Talk to a rep about your schedule

If a transformer, switchgear or recloser date is holding up your project, send us the specification and we will come back with a current factory lead time and any spec changes that could shorten it. Request a quote or call (281) 363-1106 to reach the Ryan Sales rep for your region.

Medium Voltage Equipment Lead Times in 2026: Transformers, Switchgear and Reclosers