Private High Voltage Networks

Your existing High Voltage network requires the operation of a safe system of work to be in place. Our competent personnel provide a complete service, managing some or all aspects of the HV System and ownership.

Chosen by over 350 sites throughout the UK, ESM Power works with individual owners, estate managers, local authorities, NHS Trusts and FM companies. Contact us to discuss how we can help you.


High Voltage Operations

In order to effectively act as your authorised person, our trained SAPs (Senior Authorised Person) and Chartered Electrical Engineers (Authorising Engineers) follow a comprehensive set of in-house HV Operational rules. We also provide a site file to meet the requirements of the Distribution Code.

ESM Power offers training on-site for substation entry so that your responsible person(s) can carry out meter reading and other tasks within a substation if required.

We subscribe to the NEDeRS scheme – automatically receiving notification of equipment defects and/or changes in procedures raised by other operators and manufacturers. Our customers and operators are alerted to any potentially dangerous situations and we will carry out remedial works when required.


High Voltage Maintenance

All owners of High Voltage sites are required to have a system in place to ensure the safety and security of their assets. ESM Power provides a routine inspection and maintenance programme to ensure your equipment operates correctly and safely.

Our services aim to minimise the chance of faults for your site. We provide a cost effective, routine annual site inspection – during which no power interruption is required. Using a range of diagnostic techniques such as visual checks and transformer oil analysis, we record the condition of your key assets on our database. This allows us to identify long term trends.

ESM Power provides annual inspection reports for all substations assets, working with you to rectify any issues identified. If we need to interrupt power for maintenance purposes, we liaise closely with our customers and the DNO where necessary to carry out the work at the most convenient time, minimising the potential disruption.


Asset Replacement

High Voltage assets are extremely reliable but do deteriorate over time. In order to avoid unplanned failures we advise on an asset replacement strategy, renewing assets either:

– as networks develop

– on a planned basis to reduce the chance of lengthy unplanned shutdowns

– prematurely – due to the benefits of modern energy efficient transformers, low maintenance switchgear and financial savings

We will help devise your asset replacement plan and carry out the design and installation of replacement assets. We will also advise on the strategy for emergencies, should an unplanned failure occur.


 

Network Alterations

As your business develops, your electrical system may need to change.

ESM Power provides a complete service, including:

– carrying out electrical load studies

– designing and building network alterations

– managing changes to the DNO supply agreement


Emergency Response and Fault Location

If your site unfortunately incurs a fault at any time, ESM Power provides a 24 hour emergency response and fault location service – contact our emergency line on 0845 838 5963.

You can rely on us to respond quickly and assess the situation to locate any fault. We will manage all aspects of the repair, including emergency generation where appropriate.

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