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Energy Mad was founded in 2004 by Tom Mackenzie and Chris Mardon with the aim of getting five energy saving Ecobulbs® into 50% of homes in New Zealand in order to "save all the electricity used by Christchurch homes!".

In December 2018 the Energy Mad assets were purchased by Ecobulb Limited, owned by Energy Mad co-founder Chris Mardon.

Teaming up with Line Trust South Canterbury and Foodstuffs supermarket stores, Energy Mad implemented the world leading South Canterbury "Ecobulb® project" in late 2004. In six weeks, 66% of South Canterbury homes each brought five or more Ecobulbs®.

Energy Mad then Ecobulb has since implemented 50 Ecobulb® projects throughout New Zealand, with Ecobulbs® installed in 57% of New Zealand homes. These projects involved the Energy Efficiency and Conservation Authority, the Electricity Commission, power and consumer trusts, the largest electricity retail and distribution companies in New Zealand, Foodstuffs (the largest supermarket chain in New Zealand) and Shell New Zealand.

Globally, Energy Mad then Ecobulb has implemented 92 Ecobulb® projects with electricity utilities and various retail partners. Outside of New Zealand, these projects have included Australia, the United States (in partnership with Walgreens, the world's second largest retail chain - where Energy Mad bulbs were sold in almost 8,000 Walgreens stores), Germany, Spain and Ireland.

Energy Mad also undertook comprehensive home energy efficiency assessments in 33,000 New Zealand homes through funding provided from Energy Trusts. 11,000 of these households also purchased an insulation and/or efficient heating package, many that were heavily discounted through Energy Efficiency and Conservation Authority Warm-Up New Zealand Funding, or purchased an efficient downlight package.

Energy Mad was New Zealand's fastest growing company in 2007 with 2,746% growth and listed on the Main Board of the New Zealand Stock Exchange in 2011.

It has won various New Zealand awards for business, energy efficiency, sustainability and clean technology, and innovation.

More recently Ecobulb developed the world first screw-in retrofit Ecobulb® LED downlight and the world’s most efficient residential LED light bulb.

In April 2018, Ecobulb teamed up again with LineTrust South Canterbury and the Energy Efficiency and Conservation Authority for its new Ecobulb project. This resulted in a staggering 73% of South Canterbury homes coming in to get free Ecobulbs® LEDs over a two day period! Since then Ecobulb have delivered similar results with other New Zealand Energy Trusts, electricity distribution companies and / or the Energy Efficiency and Conservation Authority in the King Country, Waimate, Eastland, North Otago and the Eastern Bay of Plenty.

In early 2021 Ecobulb partnered up with two local energy trusts, two major Māori health organisations and MBIE to deliver an innovative new home energy saver project. In just 10 months, 2,495 King Country homes (one in five King Country homes) had a free home energy assessment from 20 locally employed energy assessors, received 50,255 free Ecobulb® LEDs and energy saving shower heads and completed 1,982 free electricity retail plan assessments.

Since then Ecobulb has partnered with MBIE, EECA, the King Country Trust, The Maru Energy Trust, Northpower, the Christchurch City Council, the Auckland Council, the Counties Energy Trust and Counties Energy, Waipa Networks, the Whanganui District Council and EA Networks.

Collectively with them our 83 energy assessors have delivered 9,869 free energy assessments with free Ecobulb® LEDs, energy saving shower heads, electricity retail plan assessments and other free energy savings actions that are collectively saving these homes $6.68 million per year on their power bills.

Ecobulb now has a goal to “Save enough electricity to power New Zealand for a year!”

With 3.4 million homes in 14 countries now having 25 Million Ecobulbs®, Ecobulb is 64% of the way to achieving this goal. These Ecobulbs® are saving $6.0 Billion in electricity and 19 Million tonnes of carbon dioxide emissions over their lifetimes.