National Grid: Report Power Cuts, Customer Service & Login

Anyone who’s ever found themselves in a dark kitchen wondering who to call when the lights go out knows that sinking feeling; if you live in the UK, the answer often involves National Grid, but its role is more behind-the-scenes than your local energy supplier. Knowing exactly how to report a power cut, get in touch with customer service, and manage your account means you are never left guessing when it matters most.

Customers served: 20 million ·
Employees: 25,000 ·
Transmission network: 7,200 km ·
Emergency number: 105

Five details define National Grid’s corporate structure, one pattern: the scale of its UK operation is immense.

What is National Grid?

Overview of National Grid Group

• National Grid is a British multinational electricity and gas utility company (National Grid corporate site).
• It operates in the UK and the Northeast US (National Grid contact page).
• In Great Britain, it owns and maintains the high-voltage electricity transmission network, acting as the backbone for power distribution (Wikipedia).

National Grid plc vs National Grid Electricity Distribution

• National Grid plc is the holding company (National Grid corporate site).
• National Grid Electricity Distribution (NGED) is the subsidiary that acts as a Distribution Network Operator (DNO) for the Midlands, South West, and South Wales (National Grid Electricity Distribution).
• This distinction affects who you call for a power cut vs. general corporate enquiries.

How the National Grid works

• Transmission carries high-voltage electricity from generators to regional systems (Wikipedia).
• Distribution networks step it down for homes and businesses (Ofgem).
• The system is regulated by Ofgem to ensure fair pricing and reliability (Ofgem).

The implication: National Grid owns the pipes and wires, but your energy supplier handles the billing and customer relationship. Knowing who does what saves time in a crisis.

How do I report a power cut to National Grid?

1. Check if the problem is a blown fuse in your own home first.
2. Check the local live power cut map to see if the outage is known (National Grid live tracker).
3. Call 105 to report the outage if it isn’t already listed.

Call the emergency number

• The number to call for a power cut in National Grid Electricity Distribution areas is 105. It’s free from any phone, 24/7, 365 days a year (National Grid official contact).
• The alternative number is 0800 6783 105 (National Grid emergency advice).
• National Grid advises customers to report a power cut as soon as possible rather than assuming the company already knows about it (National Grid Electricity Distribution).

Use the online reporting tool

• Report a power cut online via the power cut portal (National Grid Power Cut Map).
• This also provides live updates on estimated restoration times for known outages (National Grid Electricity Distribution).
• Customers who are deaf or hard of hearing can dial 18001 before the National Grid telephone number to use Text Relay (National Grid accessibility).

What to do during a power cut

• Check if the problem is a blown fuse in your own home first.
• Then check the local live power cut map to see if the outage is known (National Grid live tracker).
• If National Grid already knows about the fault, its customer service can provide an expected restoration time (National Grid Electricity Distribution).

How do I contact National Grid customer service?

Customer service phone number

• General enquiries (non-emergency): 0800 678 3109 (National Grid contact page).
• Available Monday to Friday from 8am to 5pm (National Grid Electricity Distribution).
• The emergency number 105 remains available 24/7.

Email and online chat

• Webchat is available as an alternative contact channel (National Grid Electricity Distribution).
• Accessible information email: nged.info@nationalgrid.co.uk (National Grid accessible info).
• WhatsApp contact is available at +44 330 678 1012 (National Grid accessible info).
• Text message contact: send “Text Power Cut” together with your postcode and house name or number (National Grid accessible info).

Office addresses and social media

• HQ is in London (National Grid contact page).
• National Grid identifies @GridCustomersUK on X/Twitter as a channel for customer updates (National Grid Electricity Distribution).
• Textphone/minicom number: 0345 601 2318 (National Grid accessible info).

The implication: the phone works, but digital channels are catching up fast for non-urgent queries, offering residents flexibility in how they connect.

How do I log in to my National Grid account?

Log in to My Account

• Customers can log in to manage their services. However, this is primarily for US National Grid customers and specific UK business account holders (National Grid contact page).
• The National Grid UK contact page directs US customers to NationalGridUS.com for account sign-in.

UK customers vs US customers

• The UK electricity-distribution portal does not offer household account management in the way an energy supplier does.
• UK households generally do not have a “National Grid account” for their home energy bills — that relationship is with their retail supplier (Citizens Advice guidance).
• If your payment or billing question relates to the distribution network, it is handled through the general enquiry channels above.

The trade-off: UK residents may feel left out of the digital portal experience, but that is because their accounts are managed entirely by their energy supplier, simplifying the relationship for the majority of households.

Where does National Grid operate?

National Grid in the UK

• The transmission network covers Great Britain (Wikipedia).
• NGED covers the Midlands, South West, and South Wales (National Grid contact page).

National Grid in Wales

• Wales is part of the NGED area.
• Customers in Wales call the same 105 number for power cuts (National Grid emergency advice).

National Grid in the US

• The US division, National Grid US, operates in New York and Massachusetts (National Grid US).
• The US contact numbers and account portal are entirely separate from the UK operation (National Grid UK vs US distinction).

The catch: National Grid is a global brand, but its UK identity is tightly bound to the regions it services directly, leaving some residents under different DNOs unsure of who to call.

“We deliver electricity and gas safely, reliably and efficiently to the customers and communities we serve.”

— National Grid Group (official website, National Grid corporate site)

“If you’ve been without power for a long time, you might be entitled to compensation. Ofgem rules require network operators to pay customers if they miss restoration targets.”

— Citizens Advice UK

“If you smell gas, call the National Gas Emergency Service on 0800 111 999.”

— UK Government guidance (gas safety)

For UK residents navigating their energy needs, the decision is straightforward: for power cuts, engage National Grid; for billing, contact your supplier. Avoid mixing these up and you will have a much smoother experience.

Frequently asked questions