Pegasus Business Park
3rd June 2021
Dear Mr Calder
Thank you for your email.
We have set out below information relating to your request which is publicly available on our website
For ease, I have attached some examples to this
We publish the following registers which are updated on a monthly basis:
The Embedded Capacity Register – this provides details of all generation of at least 1MW
including MPANs which are connected to or have been accepted to connect to our distribution
network. The information provided includes generator type, location and capacity.
the Generation Capacity Register – this provides details of (i) all generators that are connected
to the network, (2) all generators that have accepted offers to connect to the network, (iii) all
generators that have received offers but which have not yet accepted, and (iv) all generators
which have enquired about connecting but which have not yet received an offer to connect.
We also publish the larger generator connection map which shows generators with an export
capacity of at least 1MVA which are connected to or have been accepted to connect to our
We also publish the following:
shapefiles covered by our Primary substations to determine geographic coverage – These are
ESRI shapefiles that digitally describe the geographic coverage of the area of land electrically
supplied against a particular EHV substation.
Western Power Distribution (South Wales) plc, Registered in England and Wales No. 2366985
Western Power Distribution (South West) plc, Registered in England and Wales No. 2366894
Western Power Distribution (East Midlands) plc, Registered in England and Wales No. 2366923
Western Power Distribution (West Midlands) plc, Registered in England and Wales No. 3600574
Registered Office: Avonbank, Feeder Road, Bristol BS2 0TB
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primary co-ordinates - These are the easting and northing Cartesian coordinates for EHV
substations where our equipment is located.
DFES (Distribution Future Energy Scenarios) reports which outline credible futures for growth of
the distribution network for each local authority area on our website (available here)
Please can you confirm if this information is sufficient to answer your request. If it is not sufficient,
please would you let us know what elements of your request are not answered by this information.
Please also note, if you require any further information, then we may be entitled to charge a fee to
respond based on the costs incurred in collecting and providing the requested information. For more
information on our fees, please refer to the section on Environmental Information Regulations on our
Mrs T Brewin