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G59/3-2 Protection Relay Panel Testing

Panel Sales

Renewable Solution can now offer 4 fully competent G59 Engineers to conduct all of your G59/3-2 Testing or Periodic Inspections. Our quality of testing is renown throughout the industry for being one of the leading experts, providing witness testing throughout the United Kingdom for the past 6 years. Our Engineers are available immediately and are looking forward to fulfilling all of your requirements. Get in touch to find out more information and further details to book in on 01477 415000 or This email address is being protected from spambots. You need JavaScript enabled to view it.

Panel Sales

Renewable Solution Limited have set themselves the ambitious task of completing 800 G59/3-2 Tests by the end of 2016. Each test conducted to the highest of quality, working alongside the UK's DNO.

Please be aware that G59/3-2 is now being used by most DNO Witness's so your test and your control panel must comply with these recommendations. We have worked with most of the DNO Witnesses curently testing... And because of this we can provide a reliable testing service, and the correct test and test results which are much more exacting than the old tests.
Our test engineers have been trained using our own in house facilities and therefore we are totaly confident they are able to give you the service you require.

If you require a G59/3-2 Protection Relay Panel please check out the G59/3-2 Panel Page for a high quality handmade bespoke G59/3-2 Protection Relay Panel.

Here at Renewable Solution we are also pleased to be able to offer our clients a G59/3-2 Testing service. As one of the few companies in the UK who are certified to offer this service we and our team of engineers can come to site to test your G59/3-2 Panel. We will complete the set of tests required to prove to the DNO that your system falls within the requirements of the G59/3-2 Regulations. After these tests have been carried out successfully you are able to turn your system on.

Testing New 1

LV Testing
Testing New 2

HV Testing

Testing New 3

Thermal Imaging Testing
Testing New 3

We have a team of engineers who are all trained in house to the highest standard. This means that when you book us to come and test your G59/3-2 protection relay panel we will be sending an engineer who is of the highest competency.
Please see below some of the test equipment we use to carry out the required tests.


We have completed many tests with a DNO witness as well as tests where the DNO have not been present.

If we are also supplying your G59/3-2 protection relay panel you will also qualify for a discounted rate, please get in touch for prices and more info.
Whatever the technology behind your G59/3-2 protection relay panel we can test it from a PV array to a large scale Generator.


The Main areas we are required to test to prove your system falls within the G59/3 Recommendations are;

  • Over Voltage (stage 1 & 2)
  • Under Voltage (stage 1 & 2)
  • Over Frequency (stage 1 & 2)
  • Under Frequency (stage 1 & 2)
  • Vector Shift
  • ROCOF (Rate Of Change Of Frequency)
  • LOM (Loss Of Mains)

So if you are installing a system or about to install a system that requires a G59/3-2 Protection Relay Panel get in touch and we will be more than happy to help with providing a Test Engineer for you.

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