September 2026 update

Waste operators need evidence for emissions factors

Some waste operators must provide supporting evidence when seeking approval for a unique emissions factor.

Climate Change (Unique Emissions Factors) Amendment Regulations 2026 · Starts 1 Feb 2027

What's changing

Who's affected

Waste participants seeking approval to use a unique emissions factor based on high landfill gas capture efficiency are affected.

When

These changes take effect on 1 February 2027.

What you might need to do

Background

The regulations change the application and assessment process for claims of high landfill gas capture efficiency. The Ministry provided documents about how it reviewed and developed these regulations under the Regulatory Standards Act 2025.

Read the official text on legislation.govt.nz