Reliable Expertise in High-Voltage Transmission
Delivering safe, reliable high-voltage transmission and substation services through technical excellence, authorised competence, and a commitment to the future of the electricity network.
We are a Passionate Service Company Focused on Safety, Efficiency, and Dependability.
Simpson Energy Services Ltd provides specialist overhead transmission line and substation services across the UK. With nearly two decades of hands-on experience in high-voltage infrastructure, we support network operators and principal contractors with safe, efficient, and dependable delivery.
About Simpson Energy Services Ltd.
Built on Experience, Leadership, and Trust
Simpson Energy Services Ltd was founded by Shaun Simpson, a highly experienced transmission lines professional with over 19 years in the industry.
Shaun spent 15 years with Balfour Beatty, progressing from Linesman to General Foreman, gaining extensive experience across overhead transmission lines and substations. In this role, he worked closely with Project Managers and Site Engineers to plan and execute works under the SPEN maintenance framework, ensuring safety, efficiency, and compliance at every stage.
Our Services
High-Voltage Transmission & Substation Services
132kV | 275kV | 400kV
Simpson Energy Services Ltd provides specialist overhead line and substation services supporting SPEN, and SSE transmission networks. [MORE]
SPEN Maintenance and Framework Support
We deliver maintenance activities in line with SPEN framework specifications, supporting routine, defect-driven, and condition-based interventions. [MORE]
Re-Insulating Tension and Suspension Towers
We undertake re-insulation works on tension and suspension structures across high-voltage networks, supporting asset life-extension programmes and compliance-driven upgrades. [MORE]
Emergency Repairs and Line Patrols
Simpson Energy Services Ltd provides responsive emergency repair support and line patrols to assist fault location, condition assessment, and network restoration. [MORE]
We install and modify tower furniture, including Anti-Climbing Devices (ACDs), step-bolting, in accordance with SPEN, SSE and National Grid asset standards. These works support safety improvements, compliance upgrades, and ongoing asset management strategies. [MORE]
Slack Span Installation and Removal
Major Project Support and Outage Assistance
Simpson Energy Services Ltd supports major capital delivery projects and planned outages by supplying experienced, fully authorised personnel. [MORE]
Substation Works (Down Leads and Gantry Construction)
We provide specialist support for substation works, installation of down leads, cross leads and gantry construction, working within live and outage-controlled environments. [MORE]
Major Project Support and Outage Assistance
132kV | 275kV | 400kV
Simpson Energy Services Ltd supports major capital delivery projects and planned outages by supplying experienced, fully authorised personnel. [MORE]
Authorisations, Competence & Future Capacity
132kV | 275kV | 400kV
All works are delivered by fully authorised personnel, holding APSA, APSD, APSP, and APSS authorisations across 11kV–400kV networks. [MORE]
Testimonials
Their teams consistently demonstrate strong safety leadership, technical competence, and an excellent understanding of transmission network requirements. Whether supporting routine maintenance or responding to urgent issues, their performance has been dependable and professional throughout.
“A reliable and highly competent delivery partner.”
We have relied on their expertise during planned and unplanned outages, where coordination, compliance, and pace are critical. Their ability to integrate seamlessly with wider project teams has been a significant asset.
“Exceptional support during critical outages.”
From tower modifications to substation works, all activities have been delivered to a consistently high standard. Their approach to safety, authorisations, and site discipline gives complete confidence in their delivery.
“High standards of safety and workmanship.”
Their capability across re-insulation, slack spans, and complex tower works sets them apart. They bring both practical experience and forward-looking capacity planning, which makes them a valued long-term partner.
“A trusted partner for specialist transmission works.”
They understand the operational, safety, and reporting requirements of framework delivery and execute works accordingly. Quality, compliance, and collaboration are evident across all engagements.
“Consistently meets framework expectations.”
Simpson Energy Services Ltd
Address
120a South Street, Armadale, Bathgate, Scotland, EH48 3JU
Phone
(+44) 07764 474752
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