Connecting to the Grid in the UK: Ultimate Guide

Are you in the process of connecting to the Grid in the UK? Whether you’re a landowner taking a hands-off approach or a landowner-developer looking to go it alone, I’m here to guide you through the process.

Once a developer and landowner sign option agreements to reserve land for a wind project, you might be wondering what happens next.

Most landowners won’t need to worry about the finer details of connecting to the Grid as developers usually handle this process.

But if you’re a landowner-developer managing the project yourself, you may well need to tackle this often lengthy process head on.

Wondering why connecting to the National Grid takes such a long time? In this ultimate guide, I’ll run through how the National Grid works. I’ll also offer insight into the behind-the-scenes process and touch on dealing with energy off-takers.

And if you ever want to manage Grid connection yourself, I’ll cover what you need to consider there too.

What is the Grid?

In its most basic terms, connecting to the grid means linking a renewable energy system with the electricity network.

The National Grid (a system operator) is then responsible for transmitting this energy across the country to specific local grids.

The National Grid is a central system that powers all homes and businesses in the UK,  unless the site is self-sufficient.

The National Grid stores its energy with high-powered lithium-ion batteries to help electricity grids stay reliable.

Great Britain is split into 14 distinct networks (or local grids) which are connected to the National Grid. Six different network operators manage these local networks, with Northern Ireland having a separate grid network.

The National Grid runs the length and breadth of Great Britain, acting like a highway that transports energy across these 14 regions. For example, London is a single region and tends to be far more oversubscribed than smaller parts of Scotland, for instance.

This is partly why developers build projects as close to a specific distribution network (one of the 14 regions) as possible.

How Does Connecting to the Grid Work?

As mentioned earlier, the local grid is split into 14 different regions.

The local grid then distributes the energy transmitted from the National Grid.

There are some differences in regional energy prices across the 14 separate networks, and each one is licensed to distribute electricity.

These regions are relatively fixed but can change slightly if a new connection is made close to an existing boundary.

Network operators in these 14 regions are responsible for balancing the Grid, as the Grid can’t store electricity in large quantities. Batteries are helpful here, but they usually only boost storage by a few days.

Operators must constantly adjust the amount of electricity they provide to ensure it meets the demand for electricity. They do this every 30 minutes throughout the day.

It’s also difficult to predict how much energy will flow through to the Grid each day. So, balancing is a tricky task – especially when there’s less sun or wind. These factors can significantly impact renewable energy projects across the country.

Do You Need to Connect to the Grid?

Grid connection is key as it’s essentially the end-point of any renewable energy project.

If developers (or landowner-developers) are investing time and resources into building a project and producing energy, selling that energy is key.

The National Grid is what transports the energy produced by your turbines to customers.

In some cases, projects are directly connected to businesses that use this energy. For example, Dewlay Lancashire has a dedicated wind farm that directly feeds into its cheesemaking business.

Another excellent example is the Dagenham wind turbines that produce enough electricity to power 2,500 homes each year. These 80-metre-high turbines are also located on the Ford Motor Company Estate. As a result, Ford can harness the electricity generated from the turbines to directly power production.

On the whole, though, building turbines exactly where customers need their energy is impractical.

This process may be easier with Labour’s new planning developments. But it’s still difficult to set up turbines right where you need them.

Plus, not all areas will be suitable for wind production in the first place. Remember, developers need to build wind projects on land with excellent wind speeds, viable space and hardy soils.

For this reason, electricity often has to be produced and captured in one place before being transported to where it is needed.

How Do I Set Up My Wind Farm Project? (Step By Step)

Before jumping into the process, it’s important to understand the difference between contestable and non-contestable grid connection work:

• Non-contestable work usually includes any high-risk work or interferes with the 14 local grid points. This can involve determining points of connection or commissioning and connecting new assets. National Grid agents are responsible for handling these tasks.

• Contestable works allow developers to hire independent contractors, helping to  avoid the local grid points from becoming monopolies. This often results in cheaper and faster timelines.

In short, if you’re dealing with work that’s very close to grid connection points, you’ll probably need an official agent to do it. Otherwise, the government has legally outlined that other work independent contractors can carry out.

The National Grid classifies all generation consumers based on capacity.

They’re classified into three groups:

• Large projects: 100 MW+
• Medium projects: 50 to 100 MW
• Small projects: <50 MW

Smaller projects (less than 132 kW) may go through a District Network Operator (DNO), while larger ones involve the National Grid Electricity Transmission.

With that context, let’s dive into the steps.

Step 1: Initial offer

The first step involves an initial offer of connection with standard terms.

The Grid will offer this if they deem your site safe. It will also grant an initial offer if the developer agrees to carry out additional work to meet safety requirements.

It will reflect the requested connection point from the initial application but won’t include information about costs or charges.

If developers accept this initial offer, the Grid will update it to include transmission works and charges.

Step 2: Follow-up offer

This happens once the developer has accepted step one.

It will happen a maximum of nine months after step one has been accepted. A meeting will then be held between the developer/customer and the National Grid, and a new agreement will be presented.

This two-step process runs for approximately 12 months while appropriate reviews are carried out

Step 3: Laying cables and managing the connection

The actual process of laying cables for grid connection can be done with a local contractor or through a DNO agent.

Once your grid connection has been properly established, a Connections Contract Manager will usually be assigned to the site. They’re usually the first point of contact for queries or changes to any National Grid agreement. This relationship will be in place for the duration of the energy project’s life.

The Electricity System Operator (ESO), i.e. the Grid, will also manage and balance demand and supply for your site throughout its life.

If you want to disconnect a project from the Grid, you’ll need to give appropriate written notice to the ESO. They will help disconnect your project from the Grid and give you a formal certificate of disconnection.

How Long Does Connecting to the Grid Take?

Whether you’ve signed an option agreement or want to get turbines up and running on your land – it’s a fair question.

As the Grid wasn’t originally designed for battery storage (or to be quite as modernised as it has to be), there’s currently a major backlog.

And that means that each project that applies for Grid connection is essentially put on a long waiting list. This waiting period can be as long as 10 years in certain regions, which is why developers often apply for Grid connection ahead of time.

In some cases, developers even purchase Grid connection for a viable area before they’ve even conceptualised a project. Part of the delay stems from the unfortunate bottleneck faced by both the local grid and the National Grid, as local networks need to connect to each other and the Grid. Trying to figure out a connection point for new projects can take time.

So, if you’re a landowner who already has a Grid connection, your land is already far more appealing, and valuable, than a site that doesn’t.

There’s no particular pattern for which regions take longer to get Grid connection than others. But there tends to be more of a bottleneck around larger cities like London.

In Scotland, where there’s a surplus of energy production (and a lot of exportation), getting Grid connection is less problematic.

Have there been any recent changes?

While Labour’s removal of the de-facto ban on onshore wind in 2024 is positive, it’s highly likely that this announcement will cause further backlogs for Grid connection.

And I just hope that the increased demand won’t curtail enthusiasm to build new wind projects.

Realistically, the multi-year wait for Grid connection may turn many developers off. Usually, they’re looking to get projects up and running quickly.

So, while this announcement from Labour is a positive step forward, there may well be more pressure on the Grid as a result.

I’m a Landowner: What If I Want to Take Back Connection to the Grid for Myself?

As I’ve just established, Grid connection is a valuable asset. As a landowner, you might want to take back control of the Grid connection yourself.

Taking back the Grid connection allows you greater control over how you produce and sell your energy, potentially leading to better financial returns. By managing your own connection, you can negotiate terms that suit your specific needs, retain more profits from energy sales and make independent decisions about your renewable energy projects.

If this sounds like a path you’d like to take, there are a few important steps to follow.

Now, the Grid connection contract is technically between the network operator and the project itself. Although the project will usually be in the developer’s name, it’s specific to the site.

If you want to take back Grid connection rights for yourself as a landowner, you’ll need to terminate the current connection and set up a new one.

To do this, you’ll need to provide technical project drawings, outline what the impact on the Grid will be and detail the characteristics of the project. You also must prove that you’re the actual owner of the land.

So, you’ll need to be rather clued up if you’re planning to take back Grid connection for yourself.

Lease agreements don’t usually mention Grid connection. These agreements usually just outline that a site operator can build and operate the site.

However, site operators very rarely want to relinquish their Grid connection to a landowner and you may need to go through a legal process.

This is a worst-case scenario, but as you are the owner of the land, the courts will typically rule in your favour.

Off-Takers

Before I round up, I thought I’d quickly discuss energy off-takers.

If you’re not planning to use all the energy you produce on site, there will probably be an off-taker involved in your project.

What is an off-taker in renewable energy?

An energy off-taker is simply a person or business that buys the energy produced by the project. In the UK, these are usually well-known energy suppliers like EON, EDF Energy and Octopus.

These suppliers purchase energy from the wind farm directly and sell it to consumers at home or businesses.

What does the renewable energy off-take market look like?

The off-take market is shifting towards using more renewables as more consumers become interested in green energy tariffs.

As a result, it’s quite competitive and relatively easy for developers to find appropriate buyers.

The suppliers spend quite a lot of time marketing to consumers to get them to sign up. Then, the off-takers go away, purchase the energy from renewable energy projects, and sell it.

Luckily for the consumer, this market is heavily regulated by the Government and bodies like Ofgem. So it’s quite difficult for consumers to get a raw deal from the suppliers or off-takers.

But it’s worth mentioning that suppliers are expected to carefully match supply and demand, which is no easy feat.

How does an energy off-taker impact a landowner?

As a landowner, you won’t have much of an association with off-takers unless you’re self-developing.

The site operator typically deals with all off-taker interactions, and some will put more effort than others into securing better deals.

Smaller operators are often better at generating more impressive revenues as they’re under pressure to bring stable returns. On the other hand, larger operators often settle for off-takers that they have been dealing with for years or have experience with based on other projects.

If you’re a landowner who wants to get the best possible bang for their buck, it’s worth researching a site operator’s finances.

You should be able to find out the average price that they receive for each unit of energy they sell.

The best-case scenario is when an operator isn’t particularly loyal to any off-taker. They’re just looking to get high prices from wherever they can.

There You Have It: The Ultimate Guide to Connecting to the Grid

If you want to know about grid-connected turbines or the National Grid itself, feel free to get in touch. Our experts can run you through setting up a new project or boosting an existing one with our innovative site management solutions.

FAQs

How much does it cost to connect to the Grid?

Connecting to the Grid doesn’t have a set cost, as it depends on your region and the size of your project.

A 2 MW project would likely cost around £200,000 to connect, while larger projects will have a bigger upfront cost.

Although connecting to the Grid isn’t cheap, there are potentially massive economies of scale for larger projects. They tend to recoup their initial investments more quickly and have large potential profits up for grabs thanks to impressive outputs.

How much can I sell electricity to the Grid for in the UK?

On an Export and Earn Flex Tariff by British Gas, customers will get around 6.4 pence for each kilowatt hour (kWh) of eligible electricity they transport to the Grid. Projects usually need to provide an opening export metre reading in these cases.

The Government’s Smart Export Guarantee means they’ll pay you for every unit of electricity that you feed back.

How easy is it connecting to the Grid?

The online application form for grid connection supposedly only takes around 15 minutes with a site and location plan.

But it’s the waiting time for a response, contract signings and local grid connection that can take a bit of time.

Can you live off-grid in the UK?

You can legally live off-grid in the UK if you can source alternative sources of energy (such as natural gas or an existing source of energy) for your home.

Some choose to install solar panels or turbines on their property to make it entirely self-sufficient.

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