
Real-time HV system control, switching and operational surveillance
James Fisher provides trusted 24/7 control centre and OMS services that support the safe and compliant operation of offshore highvoltage networks. Our control centre is manned 365 days a year and delivers HV control and realtime system surveillance, providing continuous operational oversight and supporting regulatory compliance.
Our team carries out authorised operational switching, manages safety documentation and coordinates HV operational activities for offshore wind farms and gridconnected assets. Through continuous SCADA surveillance, alarm and fault monitoring, and remote switching up to 400kV, we help maintain safe, stable and reliable network operations around the clock.
Why James Fisher?


Real-time HV switching and system surveillance aligned with National Grid requirements

Integrated HV operational management delivered through ControlPoint™

Ensuring safe, compliant and efficient HV operations
James Fisher’s HV control centre manages operational and safety switching for offshore wind farms, interconnectors and grid-linked assets. Through continuous SCADA monitoring, our specialists track alarms, asset status and live performance to ensure that your operations are as safe and compliant as possible.
Increase project efficiency by working with James Fisher to coordinate switching schedules, permits to work, clearances and all required documentation via ControlPoint™, our industry-leading safety management platform. This ensures traceable, auditable and standardised processes aligned with regulatory requirements.
Our control centre is equipped for direct interaction with NGESO, including a dedicated hotline for immediate system parameter changes.
James Fisher provides full operational support across O&M phases, warranty inspection periods and emergency response situations, ensuring that you protect uptime through the maintenance of safe and stable network operations.
Case studies
How our predictive maintenance and inspection services improved reliability across global assets.

Supporting Offshore Excellence with Smarter Anomaly Management
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Transforming Offshore Operations in West Africa with R2S
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Optimising Lift Planning for FPSO Operations with Digital Twin
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Supporting Site Integrators with R2S
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How R2S Supports Mechanical Engineers
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Transforming Bridge Asset Management in Indonesia with Digital Twin
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Transforming STOs in North America
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Digital transformation in Indonesia’s Oil & Gas Sector
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News
Updates on digital innovation, inspection techniques and asset optimisation.

Serviços Marítimos Continental recognised for operational excellence by Petrobras
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James Fisher Subtech awarded an underwater inspection contract at BP Oil's import terminal
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James Fisher Subtech signs second charter for multipurpose offshore vessel to meet the UK’s offshore energy needs
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James Fisher Subtech cements commitment to UK offshore energy industry with seasonal charter agreement for IRM and construction vessel
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James Fisher Renewables supporting offshore wind cable testing and terminations for Greater Changhua, Taiwan
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JF SME Testing provides structural health monitoring system for the world’s tallest railway bridge
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Marking two years of James Fisher Asset Information Services
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OGTC project approved for Return To Scene
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Contact our team to discuss project requirements or request a consultation.

