SmartestEnergy Australia. More than power: empowerment

About us

We’re a next generation energy company

SmartestEnergy is a commercial and industrial energy retailer empowering brokers and businesses to profit from the energy revolution

SmartestEnergy is a wholly-owned subsidiary of the Marubeni corporation. We’re a stable, well-resourced business with offices in the UK, USA and Australia

Did you know?


The world’s largest floating object ‘The Prelude’ gas platform is 200km from our coastline


Australia helps power the world by producing around three times more energy than we consume


The year Marubeni was founded in Japan by Chubei Itoh selling linen cloth

Our Products

Our approach is refreshingly independent and our products are tailored to your individual business needs.

Refreshing approach

Unencumbered by generating assets, our approach is refreshingly independent. Our only agenda is what is right for each customer.

Tailored solutions

We’ll work with you and your team to understand your business and develop a tailored energy solution to meets your needs.

Extended presence

We're supporting commercial and industrial customers across the national electricity markets in New South Wales, Queensland, Victoria and South Australia.

Our family

We’re part of something bigger


SmartestEnergy is a wholly owned subsidiary of the Marubeni Corporation of Japan, a multinational conglomerate with expertise across a number of industries. Marubeni has 46,711 employees located in 60+ countries and is ranked 147th in the Fortune Global 500 Companies List.

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United Kingdom

Our UK parent company, SmartestEnergy Ltd. entered the UK supply market in 2008 and provides electricity to over 2,000 businesses. They employ 250+ staff and have been awarded Energy Supplier of the year, most recently in 2018 and in 2012.

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United States

Established in 2019 in Syracuse, New York, SmartestEnergy USA is a next generation energy retailer that puts customers and brokers at the heart of everything they do.

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Company news

Learn more about our approach and why it's so different from other energy companies...

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SmartestEnergy Celebrates its 20th Anniversary: Shaping the Energy Landscape Since 2001

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Our Local Start-up Journey Amid a Pandemic Covered by Cornwall Insights Australia and Featured in our Annual Report

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More than employment: empowerment

If you’re someone with integrity, brains and a passion for energy, SmartestEnergy offers a collaborative and diverse working environment where you can be your best. Join our entrepreneurial team and help empower a smarter energy future

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Let’s start a conversation

We’re always looking to build new partnerships. So, if you’re interested in learning more about an energy company built on knowledge, transparency and trust, get in touch.

02 8328 1212

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