Hassle free National Pollutant Inventory (NPI) reporting – saves time and money

Many businesses rely on a team of people to manually enter their NPI data and produce reports in spreadsheets – a process that is both time-consuming and expensive.  Energetics’ NPI tool is an easy-to-use spreadsheet for estimating NPI emissions and transfers. The tool uses site data to automatically evaluate which of the 93 NPI substances have been triggered.

The NPI tool is a complete reporting toolset that empowers users to easily estimate emissions, generate reports, track emissions data and comply with regulatory requirements. The streamlined approach to data collection and automated calculations helps eliminate the need for users to manually key and re-key data into spreadsheets. As a result, a powerful and flexible NPI reporting tool can be designed, built and deployed about half the time it would take with existing methods. More importantly, maintaining and supporting this tool can be accomplished at a fraction of the cost.

Energetics' tool enables users to generate reports and view emissions data using the dashboard feature, Users can also leverage the tool’s ability to drill through to any source or related data.

National Pollutant Inventory

The National Pollutant Inventory (NPI) is a Commonwealth program that provides the community, industry and government with information about substance emissions in Australia. The NPI collects emission and transfer estimates for 93 toxic substances as well as the source and location of these emissions.

The standard NPI reporting year is financial year 1 July to 30 June, and facilities must submit their NPI report to their State or Territory environment agency within three months of the end of their reporting period. For most companies, the annual reporting date is 30 September.

For example: coal mining emissions and transfers

The NPI has three categories and each NPI substance has at least one reporting threshold. If an NPI substance exceeds a threshold, all emissions of that substance from the facility must be reported.

For a typical coal mine, the tripping of substance thresholds is likely to result from:

Category 1:
Thresholds are triggered by "usage" of substances typically used for production
Category 2:
Thresholds are triggered by combustion (eg. diesel, explosives) or the consumption of electricity.
Category 3:
Thresholds are triggered by the emission to water or transfer of nitrogen or phosphorus.

Energetics’ NPI tool estimates the emissions of these triggered substances.

The tool is clear, concise and user-friendly, presenting information in an easy-to-read format to allow for straightforward interrogation of data. During the set up of the tool, the inputs tab can be customised to the site’s requirements, with the possibility of allowing data entry on a monthly, quarterly or yearly basis.

The tool is based on the NPI guide and emissions estimation technique manuals published by the Department of Sustainability, Environment, Water, Population and Communities.

The only site data input required is usage and assays of materials containing NPI substances. The trigger calculations and emissions' estimation are automatically generated which saves time as well as reducing manual data entry and error potential.



Special features

Energetics’ NPI tool has a number of special features to help you in your reporting:

  • Customised data input tab for easy data entry

  • Trigger dashboard that provides a graphical interface to show the usage of each material and allows for easy determination of where each category is triggered


  • Results dashboard that shows the reportable substances and displays the comparison between the current and previous year’s values, and

  • A breakdown of the current year’s emissions for the selected substance is also included to assist with the commentary required when the emission has increased or decreased significantly compared to the previous year.


Energetics can work with you to develop this tool specifically for your site for easy estimation and reporting of your NPI emissions and transfer.

We assist in mapping data input, configuring the tool to ensure transparency and can assist with future programming for a database solution.

Energetics’ NPI tool has been customised for oil and gas, various manufacturing industries and base metals mining. 

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