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.

All Water and Sewerage publications

PC15 Imformation Requirements Appendices16/05/13
PC15 Information Requirements Chapters Annexes and Tables16/05/13
PC15 Information Requirements Index15/05/13
WR22 Regulatory Accounting Guidelines Update24/04/13
NI Water PC13 Monitoring Plan28/03/13
PC15 Asset Maintenance Approach08/02/13
AIR12 Reporters Submission29/01/13
AIR12 Auditor’s Documents29/01/13
AIR12 NIW Documents29/01/13
PC13 final determination: summary document14/12/12
PC13 draft determination consultation responses14/12/12
PC13 final determination and technical annexes14/12/12
2011-12 Cost and Performance Report05/12/12
PC15 Approach Document26/11/12
PC13 Draft Determination Summary13/09/12
PC13 Draft Determination technical annexes13/09/12
PC13 Draft Determination13/09/12
Scheme of Charges Report 2012-1309/08/12
WRL 21 NIW Scheme of Charges 2013-1418/07/12
WR 20 Regulatory Accounts 2011-1225/06/12
Ni Water Bid For Relevant Items February 201209/05/12
WR19 Annual Information Return AIR1201/03/12
PC13 Business Plan Reporting Requirements including Reporter’s Guidance23/01/12
WR18 Special Factors and Atypical Expenditure Claims18/01/12
Mrs K v NI Water Dispute - Determination06/01/12
PC13 Business Plan Reporting Requirements15/12/11
Consolidated Water Licence15/12/11
NI Water Cost and Performance Report 2010-1107/12/11
AIR11 Auditor’s Documents05/12/11
AIR11 Reporter Documents05/12/11
AIR 11 NIW Documents05/12/11
NI Water’s bid for Relevant Items04/11/11
Joint Determination with DRD on NIW bid for Relevant Items04/11/11
PC13 Technical Oversight Committee31/10/11
Approach to PC1320/10/11
PC10 Monitoring Plan Statement11/10/11
PC10 Monitoring Plan11/10/11
NI Water’s Scheme of Charges for 2011-1221/09/11
Investigation report into the freezethaw incident 2010-11 - amended12/09/11
AIR 11 Reporting Requirements (Part 4)23/08/11