Exhibit 107

Calculation of Filing Fee Tables

Form F-3

(Form Type)

National Grid plc

(Exact Name of Registrant as Specified in its Charter)

Table 1: Newly Registered and Carry Forward Securities

Security  Type

Security  Class Title

Fee  Calculation  or Carry  Forward  Rule

Amount  Registered

Proposed  Maximum  Offering  Price Per  Unit

Maximum  Aggregate  Offering  Price

Fee      Rate

Amount of  Registration  Fee

Carry  Forward  Form  Type

Carry  Forward  File  Number

Carry  Forward  Initial  Effective  Date

Filing Fee  Previously  Paid in  Connection  with  Unsold  Securities  to be  Carried  Forward

Fees  to be  Paid

Debt

Debt  Securities

Rule 456(b)  and Rule  457(r)

(1)

(1)

(1)

(2)

(2)

Notes:—

(1) An unspecified aggregate initial offering price or number of debt securities is being registered as may from time to time be offered at indeterminate prices.

(2) An indeterminate aggregate initial offering price or number of debt securities is being registered as may from time to time be offered at indeterminate prices. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities or that are issued in units or represented by depositary shares. In accordance with Rules 456(b) and 457(r), the Registrant is deferring payment of all of the registration fee.