The quarterly greenhouse gas emissions account provides timely estimates of New Zealand’s gross production-based emissions, using estimates from the annual greenhouse gas emissions by industry and household account and indicators to estimate emissions on a quarterly basis.

Key facts
Seasonally adjusted total emissions, for all industries and households, were nearly unchanged in the December 2025 quarter, with a 0.05 percent, or 9 kilotonnes (kt), increase of carbon dioxide equivalent.

Figures compare the December 2025 quarter with the September 2025 quarter, unless otherwise stated.

• Transport, postal, and warehousing emissions increased 2.0 percent (36 kt).
• Services excluding transport, postal, and warehousing emissions increased 2.8 percent (16 kt).
• Agriculture, forestry, and fishing emissions increased 0.04 percent (4 kt).
• Total household emissions decreased 0.2 percent (5 kt).
• Total household emissions were largely driven by emissions from transport, which were down 0.3 percent (6 kt). Emissions from heating/cooling were up 0.1 percent (0.1 kt), and other household sources were up 1.7 percent (1 kt).
• Mining emissions decreased 8.2 percent (20 kt).
• Construction emissions decreased 4.6 percent (23 kt).
• Manufacturing emissions decreased 7.8 percent (157 kt).
• Electricity, gas, water, and waste services emissions decreased 34.8 percent (491 kt).

Visit our website to read the full information release and to download CSV files:

• Greenhouse gas emissions (industry and household): December 2025 quarter - https://comms.communications.stats.govt.nz/ch/122749/1kfdb/561/p97zT6vt84rqbsWW5IvQGf.cZjQ.FKyaNvU7_mH..html
• CSV files for download - https://comms.communications.stats.govt.nz/ch/122749/1kfdb/42/p97zT6vt84rqbsWW5IvQ9v643hvO.SyUzn2vjSlE.html

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