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Network capacity and cost tool

Our digital ambition places our customers at the heart of everything we do, and we're building a new suite of tools to help research and manage connections to the Electricity Transmission system in England and Wales.

Our new research functionality

Try our new research functionality which combines the previous Network Capacity Map and introduces more accurate costing tools all in one package. You can also use the new tool to enquire about potential new connections:

Research assistant ConnectNow

ConnectNow Research Assistant

Introducing our newly developed Research Assistant. This innovative tool combines our popular Network Capacity Map and Cost Estimator tools into a single, intuitive application.  

Use it to investigate capacity, connection options available to you and see estimated cost profiles and associated securities. You can also enquire directly to National Grid Electricity Transmission through the portal for your chosen connection location.

We are continually working on new features to share with you. If you have any feedback on a developments please let us know by emailing [email protected] 

ConnectNow Research Assistant

ConnectNow portal

ConnectNow Portal

Our new portal has been designed to enable you to track your connection projects, from initial application right through to being connected to us.

Within the portal:

  • Track your application through National Grid and construction milestones such as Consents and Completion dates.
  • Have complete transparency on your costings and sensitive financial information in one secure environment
  • Access the contact information of all your key connections team

We are onboarding customer as beta testers at the moment – if you would like to participate in the trial please email [email protected]

ConnectNow Portal

Terms and conditions

Do you need some guidance to use the capacity network Map and get your data?

What are you planning to connect?

What type of connection?

What capacity are you connecting? (MVA)

Do you have an idea of where you want your connection?

Do you have an idea where do you want your connection?

Key
Low — less than 10% total site capacity still available
Medium — 10% to 25% total site capacity still available
High — 25% total site capacity still available
ID Name Demand Headroom Generation Headroom Fault Level Headroom Number of Tertiaries Available

Close

Substation Name:

Substation Type:

Voltage Level:

Substation Technology:

Indoor/Outdoor:

Spare Bays:

Spare Tertiaries:

Demand Information

Demand Capacity: MW

Peak Demand: MW

Demand Headroom: MW

Demand Potential:

Generation Information

Generation Capacity: MW

Connected Generation: MW

Contracted Generation: MW

Generation Headroom: MW

For any queries over 1,000 MW, please contact us via the Enquire button below.

Generation Potential:

Fault Level Information

Fault Level 3Ph Rating: kA

Fault Level 3Ph Fault Level: kA

Fault Level 1Ph Rating: kA

Fault Level 1Ph Fault Level: kA

Fault Level Headroom: kA

Fault Level Limitation:

Average Sunshine and Wind

Sunshine iconSunshine: hours/month

Wind speed iconWind speed: knots

Climate average data provided by the Met Office from the period of 1981-2010.

Connection Information

Point of Connection Cost: £k

Average Reinforcement Cost:

Indicative Timescale:

Technology Availability: