RNU Electrical Services Ltd delivers commercial and industrial electrical installation, solar PV & commercial battery energy storage, and workplace/fleet EV charging with nationwide coverage across the UK.
From a single socket to a full solar-and-storage upgrade, we handle design, install, testing, and certification — no subcontractor shuffle.
Full commercial and industrial electrical installations — LV distribution and switchgear, three-phase power, containment and cable management, small power, LED lighting and controls, plus full testing and certification to BS 7671.
Turnkey C&I solar PV — warehouse and factory rooftops, solar carports, ground-mount and floating arrays up to MW-scale. Design, structural sign-off, G99/DNO applications, LV/HV connection and O&M — built to cut energy costs and hit net-zero targets.
Turnkey floating solar arrays for reservoirs, quarry lakes and industrial water bodies — pontoon design, mooring, LV/HV connection, G99 applications and long-term O&M, from 250 kWp to multi-MW.
Commercial and industrial battery energy storage systems (BESS) — peak-shaving, load-shifting, backup power and grid-services ready. Integrated with new or existing solar PV and G99-compliant.
Workplace, fleet and destination EV charging — 7–22 kW AC and 50–150 kW+ DC rapid chargers, dynamic load management, back-office/RFID and payment integration. OZEV Workplace Charging Scheme (WCS) and DNO paperwork handled end-to-end.
Three-phase power distribution, LV switchgear, busbar and containment, high-bay LED lighting and PAT/fixed-wire testing for warehouses, factories and logistics sites.
Complete Cat A and Cat B electrical fit-outs — small power, LED lighting and controls, data containment, floor boxes and comms — delivered around your programme with minimal disruption.
Structured cabling and network infrastructure — Cat6/Cat6a, fibre backbones, patch panels, comms cabinets and containment. Certified, tested and labelled for offices, warehouses and industrial sites.
Planned and reactive electrical maintenance for commercial and industrial sites — fixed-wire testing, emergency lighting, PAT, remedials and 24/7 call-out. One trusted team keeping your building safe, compliant and running.
Design and installation of IP CCTV and intruder alarms for commercial and industrial sites — HD/4K cameras, NVR recording, remote monitoring and integration with existing security infrastructure.
Networked access control for commercial and industrial buildings — RFID/fob and mobile credentials, keypad and biometric entry, door interlocks, ANPR and audit-ready logging. Standalone or integrated with your CCTV and alarm system.
Specialist cable pulling and installation for commercial and industrial projects — SWA, LV/HV, fibre and data cables through tray, basket, ladder, ducts and risers. Powered winches, correct tension monitoring, glanding, termination and continuity testing.
End-to-end project management for commercial and industrial electrical, solar PV, BESS, EV and fit-out schemes — scope, cost, programme, CDM and quality control, client-side or turnkey.
ECS Gold Card electricians, cable pullers, mates and 2391 testers supplied to main contractors, M&E firms and electrical companies — day rate or price-work, UK-wide.
Round-the-clock emergency electricians for commercial and industrial sites — power loss, tripping faults, fire alarm and emergency lighting failures made safe and first-time fixed, day or night.
One platform for electrical compliance across your portfolio — digital EICRs, emergency lighting, PAT and remedials with a live dashboard, automated renewal alerts and insurer-ready audit reports.
Call or email — we'll scope the job and book a site visit if needed.
Clear, itemised pricing. No surprises, no upsells, no jargon.
Tidy install, full testing, and paperwork lodged where required.
Send over the job details and we'll come back within one working day with next steps.
