Exhibit 107

Calculation of Filing Fee Tables

424(b)(5)

(Form Type)

National Grid plc

(Exact Name of Registrant as Specified in its Charter)

Table 1: Newly Registered 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
Newly Registered Securities
Fees to Be Paid	Debt	U.S.$750,000,000  5.418% Notes  due 2034	Rule 457(r)	$750,000,000	100%	$750,000,000	$147.60  per  $1,000,000	$110,700
Carry Forward Securities
Carry Forward Securities	—	—	—	—	—	—	—	—	—	—	—	—
	Total Offering Amounts					$750,000,000		$110,700
	Total Fees Previously Paid
	Total Fee Offsets
	Net Fee Due							$110,700