Protection & Control​

Minimising risk for maximum performance

We are trusted to design, deliver and support some of the UK’s most critical national infrastructure. Our protection and control solutions ensure that substations and systems can continue to operate efficiently and effectively.

Interoperable, turnkey solutions for your exacting needs

Whether you are driven by regulatory compliance, performance demands or cost, as a leading systems integrator, we offer a fully interoperable, end to end turnkey solution from design through to commissioning, and a 24/7 support solution.

So whatever your challenge, you can be assured that our exacting standards will match yours.

IEC 61850 interoperability standard

Interoperability for Advanced Protection and Control Applications

IEC 61850 is the international standard for communication in substations. It enables integration of all protection, control, measurement and monitoring functions and additionally provides the means for high-speed substation protection applications

Technology agnostic

Capula supplies control systems to National Grid, powering some of the UK's most significant critical national infrastructure

Standard Type Registered Solutions

We deliver standard solutions and have successfully Type Registered a number of solutions to National Grid standards, as well as other major critical national infrastructure clients including, SPEN, SSE and other Distribution Network Operators (DNO) .

Substation Control Systems

Back up protection

Feeder 2 & 3 end protection

Dynamic System Monitoring

Transformer protection

Connection protection

Mesh corner protection (High/Low)

MSC protection

Busbar protection

P&C Design


Tertiary connections

Build to print

RIIO-T2 National Grid Framework

Light Current Equipment/Light Current Turnkey

Protection Engineering Team

Setting Protection Study

Full Design & Build

Full Site Install & Commissioning

FEED Studies

TP141 Certified

Latest Projects

Sellindge HVDC

Supporting the life extension of the control and monitoring systems at National Grid’s Sellindge HVDC Converter Station.                                                        

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Deeside HV Test centre

Capula design, supply, install, test and commission all Protection & Control (P&C) and SCADA systems for National Grid Electricity Transmission’s Deeside Centre for Innovation.

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Looking for support with a project? ’

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Looking for the ultimate after-sales support?

View our tailored support packages

Whether you need technical support, on-site engineering expertise, or facilitated training, our service & support team have you covered.

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