Harnessing power worldwide

The specialist substation support contractor providing a complete range of transformer and switchgear substation services to onshore and offshore clients worldwide.

Harnessing power for industry

The specialist substation support contractor providing a complete range of transformer and switchgear substation services to onshore and offshore clients worldwide.

Harnessing power for manufacturing

The specialist substation support contractor providing a complete range of transformer and switchgear substation services to onshore and offshore clients worldwide.

Harnessing power for offshore

The specialist substation support contractor providing a complete range of transformer and switchgear substation services to onshore and offshore clients worldwide.

Harnessing power for retail and leisure

The specialist substation support contractor providing a complete range of transformer and switchgear substation services to onshore and offshore clients worldwide.

Harnessing power generation

The specialist substation support contractor providing a complete range of transformer and switchgear substation services to onshore and offshore clients worldwide.

SPEC Ltd started being a total substation support contractor to industry in August 2000.

Since incorporation, SPEC Ltd is renowned for covering up to the 132kV power substation services, down to the mains 415v power networks.

Services

SPEC Ltd are a substation support contractor in the supply, installation, erecting, cabling, testing, commissioning, switching and maintenance of transformer and switchgear substations. From 415 to 11,000 Volts through to 132,000 Volts, UK wide, off -shore and International.

Grid Connections

With a client base ranging UK wide and overseas, SPEC Ltd has gained an exceptional reputation and knowledge base within its field.

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Substation Maintenance

Our skilled maintenance team cover complete design and illustration services, as well as switchgear, transformer, cabling and civil works.

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Substation Cable Jointing

We can undertake work on projects up to 66000 volts on typical 3 core and 1 core cables using heat shrink or cold applied tech where possible.

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Offshore and International

SPEC Ltd are an industry recognised offshore and shore based contactor, covering platforms, FPSO vessels, ships and NFFO installations.

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Testing and Commissioning

We provide full certification for all equipment we provide and install. We can also test and commission client owned equipment onsite.

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Substation Supply Services

We offer complete substation supply and installation services up to 66kV, whether it’s a new substation or an upgrade to an existing one.

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VLF Cable Testing

Due to the rise in wind farm work and client requests for VLF testing SPEC Ltd recently acquired the most up to date 60 kV VLF test set.

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Electrical Cable Fault Location

We can assist and carry out cable fault location services either on above ground cables, underground cables or even on sub sea cables.

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High Voltage (HV) Switchgear Retrofit

Via our Q/A approved chain, SPEC Ltd can offer new withdrawable Retrofit Vacuum Circuit Breakers type tested to IEC 60056 or IEC62271.

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Substation Installation Services

Our experienced installation teams can design and deliver a complete project managed solution to meet our clients’ exacting requirements.

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Low Voltage Services

We have the knowledge to undertake LV projects of all shapes, sizes and scopes, including industrial and heavy industrial installations.

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24/7 call out service.
Available 365 days of the year.

Who We Work With

We have built an excellent reputation within the industry for delivering projects on time, to budget and with an outstanding safety record. See what we’ve already achieved in our case studies.

”  At SPEC, we recognise that it’s our people who continue to drive our business forward.  “

Jamie Peacock, MBe