If you're working on a project and the electricity supply has been disconnected or if you need it to be disconnected but still require power on site, you'll need to apply for a new temporary supply. This will ensure you have the electricity you need to work on your project.
The use of transportable battery systems allows hybridization of generator packages which is important in the move to Stage V emissions compliant diesel engines.
The IET’s Guide to Temporary Power Systems is undergoing a long-awaited update. Much has changed since the first edition published in 2012, not just in respect of the British Standards BS 7671 and BS 7909, but also with the temporary power industry in general.
A temporary connection is one which will be used for less than 5 years. This might be, for example, by construction teams during the building of a new development. You can apply for a temporary connection here. Please keep in mind that the cost of a disconnection will not be included in your connection offer.
Perhaps the most significant progression has been in renewable energy; the revised guide has a section on batery storage which is increasingly common in events, construction and similar.
The section on uninterruptible power supplies has been updated and now includes information on the hazards associated with neutral switching on UPS inputs for example, as well as looking at how inverters behave when faults occur on the output, which can vary between designs.