We are an independent non-ministerial government department set up to ensure the effective regulation of the Electricity, Gas and Water and Sewerage industries in Northern Ireland.

News

Regulated Tariff Values Information

06/08/10

The Utility Regulator’s information note on the regulated tariff values has now been published.

SONI’s statement of charges for use of the transmission system (TUoS) and for system support services (SSS) is available here.

Click here for information on the following documents:

- Statement of charges for use of NIE’s distribution system (DUoS); and

- PSO schedule.