The Electricity Ten Year Statement
(ETYS) was first published in November 2012 to combine the former National Grid
electricity publications, the Seven Year Statement (SYS) and the Offshore
Development Information Statement (ODIS).
We publish the ETYS annually in our role as National Electricity Transmission
System Operator (SO), with contribution from the GB Transmission Owners comprising
National Grid Electricity Transmission, Scottish Hydro Electric Transmission
and Scottish Power Transmission.
The ETYS is part of the annual
electricity transmission planning cycle and shows the likely future
transmission requirements of bulk power transfer capability of the National
Electricity Transmission System (NETS). This is based on the Future Energy
Scenarios (FES), which help us capture a wide range of future network
The transmission requirements we
present in the ETYS refer to the wider transmission system reinforcements only.
Potential deficits in network capability to meet the requirements identified in
the ETYS undergo the Network Options Assessment (NOA) process. From this, our
preferred options for network investment are published in the NOA report.
The ETYS for 2016, published on 30 November 2016, communicates the following: (1) the present transmission
capacity of key NETS regions; (2) the identified future NETS capacity deficits that
will undergo the NOA process; and (3) the work we’re doing to ensure the NETS
continues facilitate demand security,for
situations when future intermittent renewable plants are unavailable and a
large amount of existing conventional plants have closed.
2016 Electricity Ten Year StatementContact us
Last year we created an interactive tool to help you access network information in a user-friendly way – the
Customer Connection Interface Tool (CCIT). With your positive feedback and help we have developed the tool further and expanded it to include all of England and Wales.
You can use our CCIT to find out more about our transmission sites, current and future generation connections and development times, and to understand the challenges we face in developing the NETS. We have also created a quick guide to the CCIT.
We would greatly value your feedback. All questions are optional and the whole survey should take no more than three minutes to complete. Contact us
For previous editions of the ETYS, please visit the ETYS Archive page.
Following conclusion of the Integrated Transmission Planning and Regulation (ITPR) project, transmission developments and how they are assessed will now be published as part of a new Network Options Assessment (NOA) report. The first NOA report will be published in March 2016. Please visit our Network Options Assessment page for more information.