Electrical and Instrumentation
Ensure the ongoing integrity, safety and performance of your electrical systems and instrumentation
Specialist solutions, underpinned by certified inspection and service experts: The single-source for all your E&I system supply, installation, inspection, maintenance and upgrade requirements.

In-house built electrical systems
- Alderley design and manufacture an extensive range of Instrumentation, Control, and Automation panels for a wide range of industries - with all systems developed and built in-house
- All Alderley systems can also be developed for multiple process areas and environments, from industrial to Zone 0 hazardous areas (including dual certification to ATEX & IECEx & also NEC500 Class I Division 2)
- Working with the experts at SMS, our hazardous area offering includes the largest 316L Ex d enclosures on the market, up to 944x1594x509 mm (465 litres), and custom, made-to-measure, Ex e / LCP panels
Asset inspection and management
Failure to properly inspect and maintain your ATEX equipment leaves you exposed to the risk of explosion/combustion. Giving you complete peace of mind, our team of inspection experts can manage your ATEX inspection process for you, aligned to IEC 60079- 17.
With CompEx certified Technicians supported by our digital inspection tool, Inspection Manager, Alderley can provide fast, secure and auditable inspection records to prove compliance, and prompt support in the event of any remedial actions.
Services include:
- HV, LV and instrumentation cable installations
- Cable management installations
- Electrical design, installation and commissioning in hazardous areas
- Ex audits or/and Ex registers to conform with European ATEX directive ATEX 95 & 137
- Electrical surveys
- Preparation and upkeep of client Ex equipment register
- Installation and maintenance of all Ex rated elctrical equipment
- Visual, close and detailed inspectin of Ex (Hazardous area) equipment using CompEx certified technicians
- Constructing installation and maintenance procedures
- Fire and gas installations

System upgrade services
Alderley can provide upgrades for various PLC systems from various manufacturers; for example Allen-Bradley PLC5 and Siemens S5 PLCs, to newer systems such as S7-300s – and can fully advise on the performance enhancing solution best suited to your needs, including:
- Innovative solutions to enhance efficiency and performance
- System re-rates and modificaions to best suit the latest process conditions
- Modifications to retro-fit the latest technologies, such as IoT and remote monitoring
Key control system examples include:
- Programmable Logic Controllers (PLC): Siemens, Allen-Bradley and others
- master Control Systems (MCS)
- LV Switchboards / MCCs / Distribution panels
- Fire and Gas Panels
- Local Control Panels (LCPs)
- Junction Boxes
- ESD/Shutdown Panels
- Consoles and Control Desks
- Generator Control Systems
- Navigational Aids
Ensuring a fast start-up
As an important part of project delivery, our engineers will ensure that your system is installed correctly and ready for use with maximum efficiency. Working collaboratively with your project manager and engineers, Alderley technicians have the experience to provide you with all the advice you will require while your new system or system upgrade is being installed.
Alderley technicians provide a full range of services from installation to pre-commissioning and commissioning, site acceptance testing and personnel introductory training.
We will also advise on operating and maintenance documentation, spares and fault finding.

Recent Projects

Choke and Kill Skids E&I Installation
Completion of E&I installation on Choke and Kill skids for an offshore oil and gas project for a leading global provider of drilling solutions and services.
A full turnkey E&I installation service, encompassing procurement of materials, project management undertaken by our in-house E&I team, installation and commissioning.
- CompEx approved electrical technicians
- Utilising our global supply chain network
- Complete on schedule within extremely tight project timelines