G59 Projects offer our clients a professional, reliable and cost effective service to carry out the grid connection for a G99 DNO application.


With the all new G99 Engineering Recommendations taking effect from 27th April 2019 this has opened up a far more indepth application with the DNO's. We can handle this process for you for your G99 Application so give us a call or email sales@g59projects.co.uk today and see how we can help you.


We will ask you to supply us with some basic information so we can begin to compile our application package. Once we have all the information we need we then compile our in depth application package to submit to your local DNO. As you will know a DNO application is not just a case of "filling in the form" in order to get your project through the process you need to supply the DNO with many supporting documents and drawings and that is where we specialize.


We have completed many DNO applications and as such we know what the engineers want to see land on their desk when they look at a new project. By us sending in all the relevant information straight away we prevent any hold ups as we always make sure we only submit an application once we have all the relevant information.


In order to compile a G99 Application for Connection we will require some basic deatils which will consist of the below for PV Systems (Get in touch for other technology types for a list of information we will require):


  • Full Site Address
  • Contact name & email address for the person onsite in charge of the electricity supply
  •  Full MPAN Number (s)


  • Number of Panels you are installing and the model number (i.e 250w)
  • Data Sheet for PV Panels
  • Make, Model and Number of Inverters you are using
  • Data Sheet for Inverters
  • G99 Certification for the inverters (if not G99 compliant inverters we also build G99 Relay panels so we can include this in the application if required?)


  • Google earth image showing location of installation with a pin dropped on the roof space being used and also the mains meter location.
  • Signed Letter of Authority (please contact us for a template)
  • Details of Any Existing Installation (number of panels and make and model of inverter(s))


  • For Battery Storage – Make & Model Of Battery Inverter & Quantity
  • Datasheet for Battery Inverter
  • Batteries Being Installed & Quantity
  • Datasheet for Batteries




Phone: 0330 113 2689


Email: sales@g59projects.co.uk


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