Older news items are shown below, most recent first. Each item links to its own news article page at its existing address. The latest news items are shown on the News page.
2019-2020 NPI submission date extended for Victorian reporters
Reports for the 1 July 2019 - 30 June 2020 period were due on 30 September 2020, except in Victoria, where the submission date was extended to 30 November 2020 because of COVID-19 … read more
2019-2020 NPI financial year reports are due 30 September 2020
If your company needs to report to the NPI for the 1 July 2019 - 30 June 2020 period, the report should be submitted by 30 September 2020 … read more
2017-2018 NPI financial year reports are due 30 September 2018
If your company needs to report to the NPI for the 1 July 2017 - 30 June 2018 period, the report should be submitted by 30 September 2018 … read more
2017 calendar year NPI reports are due 31 March 2018
If your company needs to report to the NPI for the 1 January 2017 - 31 December 2017 period, the report should be submitted by 31 March 2018 … read more
2016-2017 NPI financial year reports are due 30 September 2017
If your company needs to report to the NPI for the 1 July 2016 - 30 June 2017 period, the report should be submitted by 30 September 2017 … read more
NPI manual updates
NPI Emission Estimation Technique Manuals updated: Oil and Gas Extraction and Production v2.0 and Poultry Raising v3.0, with version 5.3 of the NPI Guide the current Guide … read more
What is the best way to do your NPI report?
There are many steps involved in successfully preparing and submitting a report to the NPI … read more
2012-2013 NPI financial year reports are due 30 September 2013
If your company needs to report to the NPI for the 1 July 2012 - 30 June 2013 period, the report should be submitted by 30 September 2013 … read more
What happens to NPI reports after they are submitted?
If your company submitted a report to the NPI on 31 March 2012: the review process, and when the reported information became available to the public … read more
More NPI manual updates
NPI Emission Estimation Technique Manuals updated: Galvanizing v2.0, Maritime Operations v2.1, Plasterboard and Plaster Manufacturing v1.3 and Poultry Raising v2.0 … read more
2011-2012 NPI financial year reports are due 30 September 2012
If your company needs to report to the NPI for the 1 July 2011 - 30 June 2012 period, the report should be submitted by 30 September 2012 … read more
NPI manual updates
Six NPI Emission Estimation Technique Manuals updated between December 2011 and May 2012, from Fuel and organic liquid storage to Combustion in boilers … read more
What happens to NPI reports after they are submitted?
If your company submitted a report to the NPI on 30 September 2011: the review process, and when the reported information became available to the public … read more
The NPI Guide has been updated!
Version 5.2 of the NPI Guide was released: its sections, and the changes to Total Nitrogen reporting and zero-emission reporting advice … read more
Amended NSW Clean Air Regulations
The Protection of the Environment Operations (Clean Air) Regulations 2010, and the 2005 amendment requiring pre-1979 plant to comply with specified limits by 1 January 2012 … read more
New NPI Mining Manual released
Emission Estimation Technique Manual for Mining version 3.0 (June 2011): enhanced layout and updated emission factors and estimation techniques … read more
Updated NPI Handbook for Combustion in Boilers
Combustion in Boilers version 3.5 (June 2011): enhanced emission factors for wood fired combustion processes … read more
NPI reports for the 2010-2011 reporting period are due on 30 September 2011
If your company needs to report to the NPI for the 1 July 2010 - 30 June 2011 period, the report should be submitted by 30 September 2011 … read more
Calendar year NPI reports are due on 31 March 2011
If your company has a calendar year reporting period, a 2010 report should be submitted to the NPI by 31 March 2011; estimating and reporting Transfers remained a key requirement … read more
Updated NPI Handbook for Combustion in Boilers
Combustion in Boilers version 3.3 (September 2010), and where to find the current version of the NPI Guide … read more
Updated NPI Handbook for Wine and Spirit Manufacturing
Wine and Spirit Manufacturing version 2.0, released together with Excel spreadsheet tool version 4.3 … read more
Updated NPI Handbooks
Combustion in Boilers v3.2, Fuel and Organic Liquid Storage v3.2 and Oil and Gas Exploration and Production v1.2 (February 2010), plus the NPI Guide v5.1 … read more
What happens to reports after submission to the NPI?
If your company submitted a report to the NPI on 31 March 2010: the review process, and when the reported information became available to the public … read more
Changes to EPA Victoria's industry licensing system
EPA Victoria announced a process of reforming the licensing system that applies to premises with the potential for significant environmental impact in Victoria … read more
A "new look" for the public NPI website
The Commonwealth Government's NPI website was enhanced with new information for teachers and students, including Spike the water dragon … read more
What is the best way to do your NPI report?
The main steps involved in successfully preparing and submitting a report to the NPI, gleaned from many years of helping companies prepare NPI reports … read more
Calendar year NPI reports are due on 31 March 2010
If your company has a calendar year reporting period, a 2009 report should be submitted to the NPI by 31 March 2010; reporting of Transfers was the significant change that year … read more
NPI reporting changes 2008-2009
The main change in NPI reporting for 2008-2009 was the requirement to estimate and report the amount of NPI substances in waste materials (Transfers) … read more
What happens to reports after submission to the NPI?
If your company submitted a report to the NPI on 30 September 2009: the review process, and when the reported information became available to the public … read more
NPI reports are due on 30 September 2009
If your company needs to report to the NPI for the 1 July 2008 - 30 June 2009 period, the report should be submitted by 30 September 2009 … read more
Older news items have been removed.