SAP Services for HV Networks
Senior Authorised Person Services
At Northern HV we provide experienced Senior Authorised Person services to support the safe operation and control of high voltage electrical systems. Our SAPs ensure that all HV activities are carried out safely, in line with operational procedures and industry regulations.
We support clients across renewables, utilities, infrastructure, oil and gas, construction, data centres and private networks, operating across the UK and internationally.
Safe Control and Management of HV Systems
Our SAP services focus on maintaining safe systems of work within high voltage environments. We manage access, isolation, switching and authorisation processes to ensure electrical systems remain safe for both operational and project activities.
Northern HV SAPs work closely with client representatives, control engineers and site teams to coordinate planned works, outages and system changes, ensuring minimal disruption and full compliance.
Structured & Controlled
Compliance, Safety and Operational Control
All SAP activities at Northern HV are delivered in accordance with client safety rules, operational procedures and relevant industry standards. Our approach to safety, quality and risk management is governed by our ISO management suite.
We hold ISO 9001, ISO 14001, ISO 27001 and ISO 45001 certifications, are an SSIP Certification Body Member, and hold NERS accreditation. This ensures our SAP services are delivered with clear control, robust documentation and strict adherence to safety and electrical network compliance requirements.
Governed by our ISO management suite
Experience Across Complex HV Networks
Northern HV provides SAP services across a wide range of HV systems, supporting substation operations, transformer works, switchgear installations, commissioning activities and maintenance programmes.
Our SAPs have extensive experience working within live HV environments and are trusted to manage critical electrical assets safely and professionally.
11kV up to 400kv
SAP Authorisations, HV Servicing and Planned Maintenance Support
Northern HV provides Senior Authorised Person services across voltage levels from 11kV up to 400kV. Our SAPs are authorised to operate on a wide range of HV systems, supporting both project delivery and live network operations.
In addition to commissioning and installation activities, our SAP services support HV servicing and planned maintenance works. We provide safe operational control for routine inspections, maintenance programmes and network outages, ensuring all works are carried out in line with safety rules and operational procedures.
Why Choose Northern HV for SAP Services
Clients choose Northern HV for SAP services because of our disciplined approach, technical competence and clear communication. We provide reliable operational control, helping clients manage risk and maintain safety across their HV networks.
Our ability to integrate SAP services with installation, commissioning and maintenance works allows for a coordinated and efficient project delivery.