Contact National Grid ESO Customer Service
National Grid ESO Phone Numbers and Emails
Customer Service:
-
+44 118 936 3000National Grid - Wokingham
-
+44 800 464 3621
Accounting/ Billing:
-
+44 192 665 4611Contracts Enquiries
National Grid ESO Emails:
Business Customer Service
Contracts Enquiries
Customer Service
Connection and Use of System (CUSC), European Network Codes (ENC) Enquiries, Managing The Connection, Security, Security and Quality of Supply Standard (SQSS), System Operator Transmission Owner Code (STC) Enquiries
Legal
Contact Information
National Grid ESO Website:
National Grid ESO Help Center:
Corporate Office Address:
National Grid ESO
Faraday House Warwick Technology Park Gallows Hill
Warwick,
Warwickshire
CV34 6DA
United Kingdom
Other Info (opening hours):
Other Locations:
Registered address
1 - 3 Strand
London, WC2N 5EH
National Grid ESO - London
179 Great Portland Street
Marylebone
London W1W 5PL
National Grid - Wokingham
St Catherine's Lodge
Bearwood Road
Sindlesham
Nr Wokingham
Berkshire, RG41 5BN
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National Grid ESO