Power beside the A111
Introduction
The photograph on this page of Power beside the A111 by Martin Addison as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk

Image: © Martin Addison Taken: 26 Jul 2010
I believe this is a modular electricity substation, though I have been unable to confirm that at this time. It is adjacent to a more conventional open plan substation. The A111 Cockfosters Road is visible through the access gates beyond.