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Package Substations · In Stock and Ready to Deliver

Package Substations, Fully Engineered and Ready to Install — Fast

We turn your requirements into a single, specified package substation. No compromise, no chasing suppliers — just one point of contact.

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Single point of contact
315kVA–1500kVA
G81 approved
Bespoke cabinet spec

A Complete, Single-Source Package

We coordinate all core substation components into one unified delivery. Eliminate the hassle of multi-vendor lead times and mismatched mechanical specifications.

Transformers (315-1500kVA)

Fluid filled, highly efficient distribution transformers customized precisely to UK network specifications.

Ring Main Units

SF6-insulated or solid shielded SF6-free options to provide exceptional reliability and electrical safety.

LV Cabinets (800A/1600A)

Robust low-voltage distribution cabinets equipped with fuse-ways engineered to load demands.

GRP Housings (TR1/TR7/TR18)

High durability glass reinforced plastic enclosures protecting your sub-station with optimal ventilation.

Pre-Cast Concrete Bases

Structural precision concrete foundation plinths enabling incredibly fast drop-and-set site installation.

GRP Grating

Non-conductive, corrosion resistant safety floor grating providing slip safety and trench access.

Why Choose Jointing Tech?

Over 30 years as the UK's leading specialist power distributor allows us to solve site logistical challenges before they compromise connection schedules.

  • No storage fees

    Delayed site ready? We can hold your package substation until your civil contractors are fully prepared.

  • Fast delivery (2 weeks on stock units)

    Unrivalled turnaround times in the UK sector to keep your grid connection progress on track.

  • Inclusive pricing (HIAB crane lift offload)

    No surprise plant-hire charges. We arrange dedicated HIAB vehicles for direct offload on your pre-cast plinths.

  • Combined deliveries

    All mechanical and electrical elements on a single vehicle, arriving exactly when we promise.

  • Quality assured (Full factory test certification)

    Pre-commissioned packages. All electrical routine tests completed and documentation pack delivered.

Proven Substation Installations

View some of our recent specialist power packages successfully delivered and energized across the UK infrastructure grid.

Commercial grid feed package substation installed in Woking
Commercial Grid Feed, Woking
TR7 GRP housing being craned into position at Bristol Port
TR7 Housing, Bristol Port
1000kVA package substation serving an industrial park in Newcastle
1000kVA Industrial Park, Newcastle

Get Your Package Substation Quote

Submit your project specifications below. Our UK team of specialist power engineering estimators will review details and provide a fully priced package specification.

  • Typical quote response within 24-48 working hours.
  • Dedicated Estimating Engineer assigned to your project.

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Frequently Asked Questions

A package substation is a compact, pre-assembled, and pre-commissioned electrical distribution unit. It combines a high-voltage transformer, high-voltage switchgear (such as a Ring Main Unit), and low-voltage distribution cabinets into a single, coordinated structural package. Because these units are fully integrated and tested in the factory prior to transport, they bypass extensive on-site mechanical fit-outs. Consequently, this minimizes civil engineering costs, slashes the risk of component mismatches, and dramatically accelerates the grid connection timeline on-site.

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