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Appendix G Information

Bustleholm

The following table provides an overview of Appendix G details for this GSP.

Total MW Table 1 Contains legacy and new sites. If Total MW Table 1 remains below the Materiality Trigger Appendix G is submitted to NGESO on monthly basis. Where addition of new sites exceeds the Materiality Trigger a Project Progression or a Modification Application submission will be required to assess the impact on the National Electricity Transmission System. 

Appendix G headroom: There is no guarantee or assurance that capacity included in the Headroom will be available or that plant will be able to connect using that capacity. For example, Materiality Headroom and Fault Level Headroom can be utilised shortly after it is published on our website due to an acceptance of a connection offer, which will be captured in Appendix G submission to NGESO in the following month. 

In addition a summary of the technical conditions for the Grid Supply Point are provided in the form of reverse power flow limits, fault levels, voltage conditions, or any particular technology limit. 

PropertyValue
Licence AreaWest Midlands
GSPBustleholm
Total MW Table 1142.1
Total Developer Capacity [MW]40.6
Materiality Trigger [MW]142.1
Fault Level Headroom [kA]3.0
Connection Asset Reverse Power Limits [MVA]480
Approved Copy of Appendix G24/10/23
Last Reviewed19/04/24
Subject to Materiality Trigger StudyYes
Capacity in Materiality Trigger Study49.9
Power Factor RangeYes
Emergency DisconnectionYes
SGT ANMNo
SWOTNo
Connect & ManageNo
Operational Visibility and Commercial ControlYes
Technical LimitsYes
Technology RestrictionN/A
Materiality Headroom Subject to Completion of Transmission WorksWider transmission reinforcement works. Expected Completion Date June 2033.

Power Factor Range

In order to allow NGED to contain voltage within acceptable limits at the National Electricity Transmission System (NETS)/ Distribution System interface, the Customer must ensure that the generators (≥1MW) have the capability to operate between 0.95 leading and 0.95 lagging power factor. Customers will be advised of the target Power Factor within this range.

Emergency Disconnection

National Grid Electricity Transmission (NGET) has instructed that NGED shall maintain a facility such that under emergency conditions on the National Electricity Transmission System (NETS), NGED shall have the ability to de-energise embedded generation (≥1MW) upon instruction from NGET.

Operational Visibility and Commercial Control

The Customer's connection will be required to provide visibility of the actions and/or output of the DER and a means to satisfy coordinated control between NGED ESO and NGET, such that NGED can discharge its obligations to develop, maintain, and operate an efficient, coordinated and economical system for the distribution of electricity.

Technical Limits

The Customer's connection can participate in Technical Limit scheme, which allows for earlier energissation of connections on an interim basis, subject to 'Technical Limit' curtailment ('Interim Network Access Rights'), ahead of the completion of enabling transmission reinforcement works.