Demand Availability Map| Northern Powergrid

DEMAND HEAT MAP

Accessing our Demand Heat Map and downloadable data

Our Demand Heat Map is designed to give you a high level indication (red/amber/green) of our network’s capability to facilitate new connections.

In addition to a web view, you can also access free, downloadable network data sets. This data is updated monthly and includes enhanced Appendix G and Statement of Works details. It also provides important guidance and assumptions to be aware of when considering a new connection.

All data provided was correct at the point in time it was produced. A full design study will be required before any connection offer can be made.

To access our Demand Heat Map and downloadable data please accept the ‘Terms and Conditions’ below and click ‘Continue’.

If you have any questions or need further advice email our teams who are ready to help.

Information last updated May 2021
Legal disclaimer: We have developed the demand availability map to assist you with connections applications in constrained areas. They give a general illustration of demand availability constraints only and cannot be relied upon to assess the terms of connection for specific premises. Nothing in this disclaimer limits or excludes our liability for (a) death or personal injury caused by our negligence; (b) fraud or fraudulent misrepresentation; or (c) any other liability that cannot be limited or excluded by applicable law. Subject to the above, we shall not be liable to you in tort (including negligence) or otherwise, arising under or in connection with your use of the demand availability map for: (a) loss of profits; (b) loss of sales or business; (c) loss of agreements or contracts; (d) loss of anticipated savings; (e) loss of or damage to goodwill; or (g) any indirect or consequential loss.

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Availability

High

Medium

Low

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Supply points

Grid

Bulk

Primary

MAP USER GUIDE

Use the icons to display areas of high, medium and low availability/demand.

Use the icons to display the specific supply types.

Roll over a supply type to see the post code it covers.

Click on a supply type to find out related information.

Substation Information

Name:

Nominal Voltage (kV):

Is the ideal voltage at which the network and the assets are designed to operate. Although for the majority of the times, the "operating voltage" at high voltage is slightly different from the nominal voltage. Northern Powergrid 11 and 20kV networks normally operate at 11.1/11.3kV and 20.1/20.3kV to ensure that our customer voltages are within the statutory voltage limits.

Firm Capacity

Load (MVA):

Maximum / Minimum Load

This is the power flow and has been indicated by Maximum (Max)/Minimum (Min) MVA values. The Max value is the maximum demand on the primary substation and the Min value is the minimum demand left on the primary substation after deducting the existing distributed generation. A negative minimum value indicates the existing amount of reverse power flow already flowing through the primary transformers.

Maximum (MVA):

Minimum (MVA):

Accepted Demand

Accepted Demand (Including demand connected at lower voltages):

Transformer Rating (ONAN)

The primary transformers normally have two ratings i.e. rating with forced cooling (OFAF) and rating with natural cooling (ONAN). The forced cooled rating is only used in emergency situation for short periods of time. To avoid overstressing the cooling equipment, Northern Powergrid policies dictates that the maximum amount of generation that we can connect on an unconstrained basis is dependant on the naturally cooled transformer rating of a single transformer.

Load (MVA):

Generation (MVA):

Location Data

(Latitude,Longitude):

Postcodes served:

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DEMAND HEAT MAP