What is an embedded generator?

An embedded generator is generation connected to a distribution network rather than directly to transmission; storage can also fall within this description [S1]. Your site must follow the applicable connection process. G98 covers qualifying smaller generation up to 16 amps per phase; G99 covers other generation [S2]. Network approval and electricity licensing are separate checks [S3], [S4]. Checked October 2026.

Last checked 19 October 2026

What does embedded generator mean for your site?

An embedded generator is electricity-generating equipment connected to the distribution network rather than directly to transmission. The term also covers distribution-connected storage [S1]. It describes where equipment connects, rather than a particular technology or funding model.

Why it matters for your site: adding solar or battery discharge changes your connection requirements, even if your business already has an electricity supply. Give your designer the existing equipment schedule and proposed changes. Start with G98 versus G99 for the shared connection basics.

Which connection checks does your generation need?

A distribution network operator (DNO) runs the local electricity network. G98 and G99 are engineering recommendations for connecting generation, including storage, to that network in Great Britain. G98 covers qualifying smaller generation up to and including 16 amps per phase; G99 covers other generation [S2].

Do not select the process from the marketing rating of one panel or battery. Ask your designer to identify the applicable route for the whole proposed installation. Under its standard generation process, UK Power Networks requires an application, reviews the proposal and issues a connection offer before the project proceeds [S4]. Use applying for a G99 connection to prepare the evidence.

Request a drawing showing the connection point, equipment and protection, with the proposed import and export requirements. Keep the accepted offer and commissioning records with your electrical documentation. Your local network’s process determines what it needs for your project [S4].

Is network approval the same as a licensing exemption?

No. DESNZ explains that generation, distribution and supply can each require a licence or a valid exemption. Operators must establish whether the exemption conditions apply; the label embedded does not decide that [S3].

Ask your solicitor to check the activities and ownership arrangements, particularly if your project supplies other occupiers. Avoid assuming that a network connection offer settles those separate legal questions.

Next step

Use cut energy costs and the site check, then get matched with an installer that covers your area.

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