Stay warm for less this winter
Simple tricks to keep the heat in this winter, while keeping your bills as low as possible.
Support for gas users
Tools, resources and information on finance products to help your business reduce reliance on reticulated natural gas, cut costs, and prepare for a more secure energy future.
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For homes
Practical tips, tools and support to save on bills while staying warm and comfortable.
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For businesses
Assess energy use, strengthen performance and resilience, and find available support.
Independent energy advice for New Zealanders
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Stretch every tank
Your fuel will go up to 20% further with a few efficient driving habits, and staying on top of routine maintenance.
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Solar for homes
Learn how a home solar system can cut your power costs, and what's involved with getting it installed.
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Reduce business energy costs
Take control of your business's energy use to cut costs, improve productivity and future-proof.
Funding and support opportunities
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Cut fleet fuel costs
Find proven, practical actions for increasing fuel efficiency in your freight, delivery or light vehicle fleet.
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Warmer Kiwi Homes
Warmer Kiwi Homes offers grants of 50%-90% off insulation and up to 90% off heating for eligible households. Check your eligibility online now, or read on for more information on how it all works.
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Solar on farms
Trusted information, tools and support to help farmers install solar panels on farms in New Zealand.
Our work across New Zealand’s energy system
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Energy efficiency regulations
Our regulations and standards give New Zealanders access to world-class, energy efficient products and systems. If you’re a manufacturer, importer or seller, find out what you need to know and how to comply.
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Energy in New Zealand
Energy is essential — for our wellbeing, for our prosperity. Learn about the renewable energy sources that New Zealand is reliant on, where our greenhouse gas emissions come from and how demand management can support a more efficient and affordable system.
Insights and data tools
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Latest insights
Read the latest research and analysis supporting energy efficiency and smart energy management for New Zealand businesses and households.
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Case studies and articles
Inspiring businesses pushing towards a thriving efficient economy with the innovations, technologies and ideas of today.
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Data tools
Use our range of datasets and modelling tools to understand energy use across New Zealand.
News & updates
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New members appointed to EECA Board
A new Chair and three new board members have been appointed to the Energy Efficiency & Conservation Authority (EECA) Board, Energy Minister Simeon Brown says.
15 Jul 2026 | Media release
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EECA Chief Executive steps down
Dr Marcos Pelenur, Chief Executive of the Energy Efficiency and Conservation Authority (EECA), will step down from his role at the Crown entity later this year.
19 Jun 2026 | Media release
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Latest data on energy use shows share of electricity and renewables growing
EECA’s newly updated database shows which sources of energy (including coal, petrol, diesel, electricity, biomass and other renewable sources) are being used across the economy, which sectors are using them, and how it’s changing.
18 Jun 2026 | Media release
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Solar on schools to boost future resilience
Schools will save money, have greater energy security, reduce school energy bills, and reduce their carbon emissions through a $30 million Government initiative to put solar panels on up to 500 schools across New Zealand.
3 Jun 2026 | Media release