About SA3 POWER
SA3 Power are specialist electrical contractors delivering temporary site power and electrical installation services to the construction and data centre industries across the UK and Ireland and on key projects in Frankfurt and Paris.
- Established in Ireland, 2017
- Award-winning safety record
- Offices in NI, London, Amsterdam & Frankfurt
Specialist electrical contractors since 2017
Established in 2017, SA3 Power has built a strong reputation for delivering high-quality electrical installations, dependable site services and professional project delivery. Our focus on safety, reliability and workmanship has enabled us to become a trusted partner to contractors working on complex projects across multiple sectors.
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From early-stage construction through to final installation and testing, our team provides the electrical infrastructure required to support projects safely and efficiently.
SA3 Power is the trading name of SA3 Group Ltd.
Trusted by Tier 1 contractors and data centre operators
Temporary Site Power & Construction Site Services
SA3 Power specialises in providing temporary site power and supporting construction site services for major building and infrastructure projects.
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Our team works closely with project managers and contractors to deliver safe, reliable and efficient site infrastructure, ensuring construction sites remain fully operational throughout every phase of development.
Alongside electrical infrastructure, SA3 Power also supports contractors with a range of site management and operational services, helping maintain safe and organised construction environments.
By combining electrical expertise with practical site management experience, SA3 Power helps contractors maintain safe, organised and productive construction sites from enabling works through to project completion.
What we provide on site
- LV construction power design and installation
- Temporary site and external construction lighting
- Generator integration and power management
- Electrical testing, inspection and compliance
- Site security including access control and CCTV
- Site logistics, traffic marshalling and deliveries
- Welfare, site offices and facilities management
Data Centre & Commercial Electrical Installations
Alongside temporary site services, SA3 Power delivers electrical installations across a range of sectors including data centres, commercial offices, retail fit-outs and lighting retrofit projects.
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Our experience within the data centre industry has allowed us to work on complex electrical installations in London, Dublin, Frankfurt and Paris, where reliability, precision and compliance are critical.
Whether supporting large infrastructure projects or delivering commercial installations, our team is committed to delivering work that meets the highest professional standards.
Sectors we work in
- Data centres & critical infrastructure
- Commercial offices
- Retail fit-outs
- Industrial facilities
- Lighting retrofit projects
Safety, Compliance & Professional Standards
Safety and compliance are central to every project we undertake. All work is carried out by NICEIC approved electricians, ensuring installations meet the highest professional standards and comply with BS7671 electrical regulations.
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Our team undergoes regular training in new technologies, safety procedures and industry best practices, helping us maintain the quality and reliability our clients expect.
We take pride in delivering electrical services that are safe, dependable and completed to the highest standard.
Our EHS record is regularly recognised by clients, including TSL’s “Zero is Possible” Safety Award and multiple Mercury EHS Sub-contractor of the Month awards.
Our standards
- NICEIC approved electricians
- Installations to BS7671 electrical regulations
- Regular training in safety and new technologies
- TSL “Zero is Possible” Safety Award
- Multiple Mercury EHS Sub-contractor of the Month awards
- CHAS, Constructionline, Acclaim and Safe Electric accredited
Lighting Design & Project Support
In addition to installation services, SA3 Power also provides lighting design and electrical planning support for construction and commercial projects.
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Our team can produce emergency lighting designs and compliance drawings, helping clients ensure their projects meet safety regulations while delivering effective lighting solutions.
By working closely with contractors, project managers and consultants, we ensure electrical systems are designed and installed to support both operational performance and long-term reliability.
Design & planning support
- Lighting design and electrical planning
- Emergency lighting designs
- Compliance drawings
- Close working with contractors, project managers and consultants
Offices in Cookstown, London, Amsterdam & Frankfurt
SA3 Power supports construction and data centre projects across Ireland, the UK and Europe, with key projects in Frankfurt, Amsterdam and Paris.
7 Corchoney Rd
Cookstown BT80 9HU
Northern Ireland
SA3 Power B.V., Siriusdreef 17
2132 WT Hoofddorp
Netherlands
Casteller Str 104
65719 Hofheim am Taunus
Germany
Capability Statements
Download an overview of SA3 Power for your tender, prequalification or project team.
SA3 Power capability statement
Temporary site power and services, core capabilities, project experience, European presence and contacts.
Download PDF PDF · 2 pagesData centres
LV and ELV installations, containment, testing and commissioning, and offsite prefabrication for critical infrastructure.
Download PDF PDF · 2 pagesCommercial & residential
Commercial installations, LED lighting upgrades, lighting design and electrical work for residential schemes.
Download PDFAbout SA3 Power: quick answers
01Who is SA3 Power?
SA3 Power (SA3 Group Ltd) is a specialist electrical contractor established in 2017, delivering temporary site power, construction site services and electrical installations to the construction and data centre industries across Ireland and the UK, with key projects in Frankfurt and Paris.
03What sectors does SA3 Power work in?
Data centres and critical infrastructure, commercial offices, retail fit-outs, industrial facilities and lighting retrofit projects, plus temporary site services for major construction and infrastructure projects.
05Is SA3 Power accredited?
Yes. All work is carried out by NICEIC approved electricians to BS7671. SA3 Power is also accredited with CHAS, Constructionline, Acclaim and Safe Electric.
07How large is the SA3 Power team?
We have a workforce of more than 200 operatives, which lets us mobilise quickly and scale up for large construction and data centre projects.
09Does SA3 Power offer offsite prefabrication?
Yes. Our Amsterdam and Frankfurt facilities support offsite prefabrication and manufacturing, helping to reduce installation time and labour on site.
02Where is SA3 Power based?
Our headquarters is at 7 Corchoney Road, Cookstown BT80 9HU, Northern Ireland. We also have offices in London (86-90 Paul Street, EC2A 4NE), Amsterdam (SA3 Power B.V., Siriusdreef 17, 2132 WT Hoofddorp) and Frankfurt (Casteller Str 104, 65719 Hofheim am Taunus), and work across Ireland, the UK, France, Germany and the Netherlands.
04How do I request a quote from SA3 Power?
Call 028 8675 2129, email info@sa3power.com, or use our contact form, and our team will come back to you quickly.
06What is SA3 Power’s safety record?
Safety comes first on every project. Clients have recognised our EHS performance with TSL’s “Zero is Possible” Safety Award and multiple Mercury EHS Sub-contractor of the Month awards.
08Who does SA3 Power work with?
We work alongside main contractors, project managers and consultants on construction, infrastructure and data centre projects, supporting both new builds and live operational sites.
10Does SA3 Power provide lighting design?
Yes. We provide lighting design and electrical planning support for construction and commercial projects, including emergency lighting designs and compliance drawings.
Ready when you are
Let’s talk about your project
Share the construction programme and a floor plan — we’ll come back with a load schedule, a connection strategy and a clear price. Working across Ireland, the UK and mainland Europe.
- 01Send your programme
- 02Load schedule & connection strategy
- 03Clear price