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Getting Started
How DNO Renewables works, creating an account and your first project.
How does DNO Renewables work?
A short overview of what happens when you send us a project: preparation, submission, DNO management, and completion.
Getting started with DNO Renewables
A five minute walkthrough of how we handle DNO applications for you, from first submission to approval.
Which DNO application do I need?
A quick decision guide for choosing the right DNO application route: G98, G99, LCT for EV or heat pumps, feasibility, or a technical survey.
What is a DNO application?
The Distribution Network Operator (DNO) owns the local grid. Any generation or significant load added to it needs their sign-off. Here's how it works.
How do I create an installer account?
How to sign up as an installer, whether you have projects to submit right away or want to get set up first.
Which DNO covers my postcode?
The UK is split between six DNO regions. Here is how to find out which one applies to your job.
Can I save an application and come back to it later?
Yes. Drafts save automatically and you can resume from any device.
Who is responsible for what? DNO vs DNO Renewables
A clear split between what DNO Renewables handles and what stays with the Distribution Network Operator.
Applications
G98, G99, EV, heat pump, battery and other application routes.
G98 vs G99: which do I need?
The one minute rule of thumb, plus the edge cases that catch installers out.
G99 Fast Track explained: SGI-1, SGI-2 and SGI-3
The G99 Fast Track process gives smaller generation and storage installations a quicker route to connection. Here's how the three tiers — SGI-1, SGI-2 and SGI-3 — actually work, and which one your project fits into.
What is G100 and when do I need it?
G100 is the technical standard for export limitation. Here is when it comes into play.
Import vs export capacity: what's the difference?
Two terms that sound the same but mean opposite things. Here is a plain English explainer.
What is a PGMD and when do I need one?
The Power Generating Module Document (PGMD) is a key piece of evidence for larger G99 projects. Here's what it is, when it's required, and how it fits into getting your Final Operational Notification.
EONs, IONs, LONs and FONs: operational notifications for large projects
For Type B, C and D power generating modules, the DNO issues a series of operational notifications during the connection journey. Here's what EON, ION, LON and FON each mean and when you need them.
Why do commercial applications take longer than domestic?
Both are G99, so why does commercial usually take longer? Here is the honest answer.
Adding a battery to an existing solar installation
How to apply to the DNO when adding a battery to a system that's already been notified or approved.
Project Information
MPAN, supply details, equipment and system information.
Where do I find the MPAN?
The MPAN identifies the meter point. It's on any electricity bill and looks like a box of numbers.
Understanding the 21 digits of your MPAN
The MPAN is more than just a supply number. Here is what each part of it actually means.
What inverter information do you need?
The specific inverter details the DNO looks for, and what to do if your inverter isn't on the standard list.
Documents
LOA, SLD, site plans, cut-out photos and datasheets.
What documents do I need to submit an application?
The core documents most G99 applications require, and what's optional.
What is a Letter of Authority (LOA)?
The LOA gives us permission to submit on behalf of the customer. Every application needs one.
Who signs the Letter of Authority?
Which party needs to sign the LOA, whether the installer can sign it, and how digital signing works.
Why do I need to sign a Letter of Authority?
The LOA is what lets us talk to the DNO on your customer's behalf. Here is what it does and does not authorise.
What is an SLD and do I need one?
The Single Line Diagram shows how the system is wired. Every G99 application needs one.
What cut-out photo do you need?
A visual guide to the cut-out photograph most DNOs require, including good and bad examples.
Your Application
Statuses, DNO queries, chasing and updates on live projects.
What do the statuses on my dashboard mean?
A plain English translation of every status you'll see on an application.
How long does a DNO application take?
Why DNO timelines vary so much, and what makes an application faster or slower.
How often do you chase my application?
How our team follows up with the DNO after submission, and why you don't need to chase us.
My status hasn't updated in weeks. Is that normal?
Long silent periods are often normal. Here is how to tell the difference and when to flag it to us.
What is an RFI and what do I do?
The DNO sometimes asks for more information mid-application. Here's how we handle it.
My DNO application was rejected. What now?
A rejection is not the end of the road. Here are the most common reasons and your realistic options.
Approval & Commissioning
Offers, commissioning documents and completing a project.
Feasibility & Surveys
When to request a feasibility study or technical site survey.
What is a Grid Connection Feasibility Study?
When to request a feasibility study before committing to a full DNO application, and what it tells you.
When should I request feasibility rather than a G99 application?
How to choose between a feasibility study and a straight G99 application.
When do I need a technical site survey?
How a site survey helps a DNO application, and when it's worth booking one before applying.
Billing & DNO Fees
Our fees, payments and understanding DNO charges.
Does the DNO charge a fee?
How DNO charges work, why they can appear at different points in a project, and how they relate to DNO Renewables' own service fee.
What does it cost?
Where to find current pricing for G98s, G99s, bulk applications, and retainers.
Single submission vs retainer: which is right for me?
Two ways to pay for DNO applications. Which one suits your volume?
Portal & Account
Login, passwords, team access and general portal help.
Still stuck?
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