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We find the energy-saver light bulbs that shine brightest and last longest.

Energy-saver light bulbs save you money and also help conserve the country’s energy resources. But which ones give the best light output and keep on switching on? We tested 19 different models – and found a wide variation in performance.

We also look at the options for using energy-efficient lighting to create various moods around your home, and our light bulb calculator will show you how much money you could save by changing to energy efficient light bulbs.

RightLight website

Consumer NZ received funding from the Electricity Commission to test the bulbs and develop the information in this report.

Highlights of this report


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Lighting guide


Good interior lighting can create various moods - without burning up the power bill. Read more

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Test results


Compare the performance and specifications of the 19 bulbs we tested. Read more

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We recommend


The best-buy standard and dimmable energy-saver bulbs in our test. Read more

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