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SONI
Registered in Northern Ireland
Registered No: NI38715
Registered Office: 12 Manse Road, Belfast, BT6 9RT
 
 
Map of Northern Ireland
System Operator for Northern Ireland (SONI) Ltd is owned by EirGrid plc.

Based in Belfast, SONI ensures the safe, secure and economic operation of the high voltage electricity grid in Northern Ireland and in cooperation with EirGrid colleagues is also responsible for running the all-island wholesale market for electricity.
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DS3 Update
Delivering a Secure Sustainable Electricity System (DS3) – Update

All-Island Generation Capacity Statement 2012-2021
The All-Island Generation Capacity Statement 2012-2021 is now available to downl...
Ancillary Services and Other System Charges Report
SONI are pleased to make available on their website Ancillary Services and Other...
SONI Monthly Electricity Statistics for NI
SONI are pleased to make available on their website Monthly Electricity Statisti...
Generator Connection Process Consultation
Please note that the following consultation has now been published on the SONI w...
East West Interconnector Registration Workshop
East West Interconnector Trading Update Workshop REGISTRATION EirGrid is pleas...
  SONI Headquarters
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Maximum Demand
The Maximum Demand of electricity on 26/01/2012 :
1701 MW
 
Ancillary Services and Other System Charges Report- November 2011
NI Monthly Electricity Statistics Update - December 2011
All-Island Generation Capacity Statement 2012-2021
Ancillary Services and Other System Charges Report- October 2011
NI Monthly Electricity Statistics Update - November 2011
 
Click here to read the SONI (System Operation Northern Ireland Ltd) digital brochure
Click here to read the SONI (System Operation Northern Ireland Ltd) digital brochure
Click here to read the SONI (System Operation Northern Ireland Ltd) digital brochureClick here to read the SONI (System Operation Northern Ireland Ltd) PDF brochureClick here to read the SONI (System Operation Northern Ireland Ltd) company report