These calculators are for the 2024–25 reporting period. They can help you:
- assess your emissions and energy against reporting thresholds
- report greenhouse gas emissions and energy.
Calculators for 2024–25
We have 5 calculators for the 2024–25 reporting year.
The NGER threshold calculator can help you assess if you have NGER obligations.
You can use it to estimate your scope 1 and scope 2 emissions, energy production and energy consumption.
For help using the calculator download our NGER threshold calculator user guide.
The NGER uncertainty calculator helps you estimate and report uncertainty associated with scope 1 emissions. It can help you if you're using methods higher than method 1 to report fuels or energy sources. It can also help if you're required to calculate uncertainty using non-default values.
The Emissions and Energy Reporting System (EERS) automatically calculates uncertainty associated with scope 1 emissions where you have used method 1.
For help using the calculator download the NGER uncertainty calculator user guide.
The NGER solid waste calculator can help you estimate and report the greenhouse gas emissions from landfill operations. Note that this calculator was updated to version 1.7.1 in August 2025. Please use the most recent version of this calculator for your NGER reporting.
The NGER wastewater domestic and commercial calculator can help you estimate and report the greenhouse gas emissions from domestic and commercial wastewater.
The NGER wastewater industrial calculator can help you estimate and report the greenhouse gas emissions from industrial wastewater.
Calculators from previous reporting periods
We retain calculators from the last 3 reporting periods on our website. For older calculators, contact us.
Creating these calculators
We created these calculators in line with: