Transmission Losses

This file contains monthly volumes of transmission losses for National Grid Electricity Transmission, Scottish Power Transmission, and Scottish Hydro Electric Transmission Systems. The data is updated on a monthly basis.

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Table Information

Financial Year

Title Financial Year
Type year
Description Financial year of the transmission losses.
Comment
Example 2020-21
Unit

Month

Title Month
Type yearmonth
Description Year and month of the transmission losses.
Comment
Example Apr-21
Unit

NGET

Title National Grid Electricity Transmission (NGET)
Type number
Description England and Wales Transmission System losses
Comment
Example 0.333
Unit TWh

SPT

Title Scottish Power Transmission (SPT)
Type number
Description Scottish Power Transmission system losses
Comment
Example 0.444
Unit TWh

SHETL

Title Scottish Hydro Electric Transmission (SHETL)
Type number
Description Scottish Hydro Electric Transmission system losses
Comment
Example 0.555
Unit TWh

GB totals

Title GB totals
Type number
Description Great Britain Transmission System losses
Comment
Example 0.666
Unit TWh