For homes
Practical tips, tools and support to save on bills while staying warm and comfortable.
For businesses
Assess energy use, strengthen performance and resilience, and find available support.
Independent energy advice for New Zealanders
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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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Save on your energy bills
Make your energy go further with tips for a warm, healthy, affordable home, plus learn what support is available.
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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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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.
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Support for gas users
Tools and resources to help your business use less gas, cut costs, and prepare for a more secure energy future.
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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Government and farmers partner to demonstrate how solar and batteries stack up for critical New Zealand industry
New Zealand food, dairy and wine production are set to benefit from new on-farm insights about how solar and batteries could cut power prices and build on-farm resilience.
16 Feb 2026 | Media release
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Industrial sector feeling stuck with expensive energy – but EECA says don’t wait it out
New Zealand industrial businesses, especially small-to-medium-sized enterprises, feel they are being pushed into make-or-break decisions as gas prices rise and supply becomes less certain.
29 Jan 2026 | Media release
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EECA report shows how flexible electricity use could save the country billions now
Moving more electricity use off-peak could save the country up to $3 billion and transform the energy system in the process, according to new research from EECA (Energy Efficiency and Conservation Authority).
27 Jan 2026 | Media release
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EECA brings prosecution against air conditioner importer
Lower Hutt company Kumars Autoservices Limited has pleaded guilty today to failing to meet a number of energy efficiency regulations for air conditioners they imported and sold in 2024.
29 Oct 2025 | Media release