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About Andrew Mears

Dr Andrew Mears is chief executive, co-founder and executive director of Tesseract ESS, an Adelaide-based venture launched in October 2024 that supplies commercial and industrial customers with solar and battery storage under long-term power purchase agreements at no upfront cost. He previously founded and led SwitchDin, a Newcastle-based distributed energy management software company, from 2014. An engineer with two decades in renewable energy commercialisation across Asia-Pacific, Africa and Australia, he appeared on the original Welcome to Day One series to discuss distributed energy resources.

In conversation.

1 episode

In their own words.

“You might fail, but you'll learn and then new doors will open that you never imagined.”
Andrew Mears — Andrew Mears from SwitchDinWelcome to Day One with Adam Spencer · 9 May 2019

Tesseract ESS on Day One

Tesseract ESS is an Adelaide company that supplies solar and battery storage to commercial, industrial and community customers with no upfront capital cost.

1 person · 1 episode
Tesseract ESS

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Spot something wrong? Suggest a correctionUpdated 29 October 2026

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