Document library
You’ll find all of our publications, legal documents and key business reports here.
Your connections
NGN & You
Corporate responsibility
RIIO reports
April 2012 RIIO-GD1 Business Plan
Executive summary
Business plan
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- Appendix-1-ENA-Gas-Future-Scenarios-Report1
- Appendix2-TPA-Report-on-Medium-Term-Economic-Outlook
- Appendix3-Benchmarking-Matrix
- Appendix4-Innovation-Projects
- Appendix5-Stakeholder-Engagement
- Appendix6-EC-Harris-Report-on-Real-Price-Effects
- Appendix7-First-Economics-Report-on-Productivity
- Appendix8-Expenditure-Forecast-Plan-and-Table-Reconciliation
- Appendix10-Repex-Tier-2-Risk-Threshold-Methodology
- Appendix12-NTS-NGN-Capacity-Interaction
- Appendix13-What-is-the-Cost-of-Equity-for-RIIO-T1-and-RIIO-GD1
- Appendix14-Cash-Flow-Betas-and-Cost-of-Equity
- Appendix15-Debt-indexation-and-allowed-returns
- Appendix16-Long-Term-Equity-Returns
- Appendix17-Uncertainty-and-Risk
- Appendix18-Regional-Factors
- Appendix19B-Asset-Integrity-Assessment-Methodology
- Appendix-19C-NGN-RIIO-GD1-Network-Integrity-Capex1
- Appendix19E-Programme-Investment-Repex-Delivery
- Appendix19F-NGN-Innovation-Strategy-Benefits
- Appendix20-Regional-Economic-Impacts
- Appendix-21-IQI-NGN-Proposal
Safe & reliable
Distribution System Management Principles Statement
Carbon Monoxide Detection
Gas Illegally Taken
Capacity Management Services Annual Report
Uniform Network Code
Business Separation
Keeping costs down
Regulatory Accounts
Statutory Accounts
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Archive
- Northern Gas Networks Operations Limited 2016
- Northern Gas Networks Holdings Limited 2016
- Northern Gas Networks Finance Plc 2016
- Northern Gas Networks Finance Plc 2015
- Northern Gas Networks Limited 2015
- Northern Gas Networks Operations Limited 2015
- Northern Gas Networks Holdings Limited 2015
- Northern Gas Networks Finance Plc 2013
- Northern Gas Networks Limited 2013
- Northern Gas Networks Pensions Trustee Limited 2013
- Northern Gas Networks Operations Limited 2013
- Northern Gas Networks Holdings Limited 2013
- Northern Gas Networks Operations Limited 2012
- Northern Gas Networks Pensions Trustee Limited 2012
- Northern Gas Networks Limited 2012
- Northern Gas Networks Finance Plc 2012
- Northern Gas Networks Holdings Limited 2012
- Northern Gas Networks Operations Limited 2011
- Northern Gas Networks Pensions Trustee Limited 2011
- Northern Gas Networks Limited 2011
- Northern Gas Networks Holdings Limited 2011
- Northern Gas Networks Finance 2011
- Northern Gas Networks Pensions Trustee Limited 2010
- Northern Gas Networks Operations Limited 2010
- Northern Gas Networks Limited 2010
- Northern Gas Networks Finance 2010
- Northern Gas Networks Holdings Limited 2010
- Northern Gas Networks Limited 2009
- Northern Gas Networks Finance 2009
- Northern Gas Networks Holdings Limited 2009
- Northern Gas Networks Limited 2008
- Northern Gas Networks Finance 2008
- Northern Gas Networks Holdings Limited 2008
- Northern Gas Networks Limited 2007
- Northern Gas Networks Finance 2007
- Northern Gas Networks Holdings Limited 2007
- Northern Gas Networks Limited 2006
- Northern Gas Networks Finance 2006
- Northern Gas Networks Holdings Limited 2006
- Northern Gas Networks Limited 2005
- Northern Gas Networks Finance 2005
- Northern Gas Networks Holdings Limited 2005
Transportation Pricing
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Archive
- 2017-18 (60 day notice)
- 2017-18 (150 day notice)
- April 2009 Statement
- October 2009 Statement
- November 2009 Notice
- January 2010 Notice
- April 2010 Statement
- November 2010 Notice
- January 2011 Notice
- April 2011 Statement
- October 2011 Statement
- November 2011 Notice
- January 2012 Notice
- October 2012 Statement
- May 2012 Notice
- July 2012 Notice
- January 2012 Notice
- November 2012 Notice
- January 2013 Notice
- April 2013 Statement
- November 2013 Notice
- April 2014 Notice
- April 2014 Statement
- October 2014 Statement
- April 2015 150 Day Notice
- April 2015 60 Day Notice
- April 2015 Statement
- April 2016 60 Day Notice
- April 2016 Statement
Metering Pricing
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Archive
- June 2016 Statement
- March 2016 Notification
- May 2017 Notification
- February 2007 Notification
- May 2007 Statement
- June 2009 Notification
- September 2009 Statement
- June 2010 Notification
- September 2010 Statement
- August 2011 Notification
- November 2011 Statement
- January 2014 Notification
- April 2014 Statement
Purchase Order Terms for Goods and Services
Investor Presentations
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- February 2013 Investor Presentation
- June 2013 Investor Presentation
- December 2013 Investor Presentation
- June 2012 Investor Update
- December 2012 Investor Presentation
- June 2011 Investor Update
- September 2011 Investor Update
- December 2011 Investor Update
- March 2010 Investor Presentation
- June 2010 Performance
- December 2010 Performance Investor Update
Interim Accounts
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Archive
- Northern Gas Networks Holdings Limited 2013
- Northern Gas Networks Finance Plc 2013
- Northern Gas Networks Operations Ltd 2013
- Northern Gas Networks Operations Ltd 2012
- Northern Gas Networks Operations Ltd 2011
- Northern Gas Networks Holdings Limited 2012
- Northern Gas Networks Holdings Limited 2011
- Northern Gas Networks Holdings Limited 2010
- Northern Gas Networks Holdings Limited 2009
- Northern Gas Networks Holdings Limited 2008
- Northern Gas Networks Holdings Limited 2007
- Northern Gas Networks Holdings Limited 2006
- Northern Gas Networks Limited 2012
- Northern Gas Networks Limited 2011
- Northern Gas Networks Limited 2010
- Northern Gas Networks Limited 2009
- Northern Gas Networks Limited 2008
- Northern Gas Networks Limited 2007
- Northern Gas Networks Limited 2006
- Northern Gas Networks Finance Plc 2012
- Northern Gas Networks Finance Plc 2011
- Northern Gas Networks Finance Plc 2009
- Northern Gas Networks Finance Plc 2010
- Northern Gas Networks Finance Plc 2007
- Northern Gas Networks Finance Plc 2008
- Northern Gas Networks Finance Plc 2006