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Standalone solar PV defined for feed-in tariffs

Posted by Cathy Debenham on 12 March 2012 at 9:16 am

There's quite a lot of confusion over what "standalone" means in the context of a solar PV system applying for the feed-in tariff

Understanding the difference between standalone and on-site renewables is important as it makes quite a difference to the rate of generation tariff you get from the feed-in tariff. For example, if you install a 4kW system on-site, you will receive 21p per kWh. If it's standalone, you'll be paid just 8.9p.

Here's the definition from Gemserv, the body which oversees the Microgeneration Certification System (MCS):

"Standalone means not attached to a building and not wired to provide electricity to an occupied building".

This is the same definition that is in the FIT Licence Modifications’ tariff table. An example of a standalone installation would be for example, a field of PV that is not connected to a building but is grid connected.

The definition of standalone relates to the attachment to a building and a building can be either on or off-grid. There is no specific definition of non-standalone as that would be considered a normal site where the installation is attached to a building.

Photo by Rob Baxter

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1 comments - read them below or add one

Paul Goodhind

Paul GoodhindComment left on: 1 August 2014 at 6:36 pm

Thanks for this blog. Regarding the non-stand alone definition, do you know what constitutes a building? Specifically does it have to be an occupied building and does it need to use some of the PV power generated?

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