Energy providers

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Engie is one of the world’s largest Independent Power Producer (IPP), with more than 100 GW in operation globally. Together with our 96,000 employees and with installed renewable asset base of 40 GW+, we are committed to accelerate the transition towards a carbon-neutral world, through reduced energy consumption and more environmentally friendly solutions. Inspired by our purpose (“raison d’être”), we reconcile economic performance with a positive impact on people and the planet, building on our key businesses (gas, renewable energy, services) to offer competitive solutions to our customers. Engie aims to set up a renewables base of 50 GW by 2025 and 80 GW by 2030 across the globe.

As a business, ENGIE’s predecessors first formed in 1822, with the Suez Canal being one of our first major infrastructure projects in the 1860s. In 2006 our utilities businesses were consolidated as Gaz de France (GDF) and privatised by the French State, evolving into GDF Suez. International Power entered Australia in 1996, purchasing the Hazelwood and Loy Yang B power stations in Victoria. International Power merged with GDF Suez in 2010 to become the world’s largest independent power producer, re-branding globally as ENGIE in 2015. ENGIE ANZ announced in 2015 that it would divest €15 billion in coal-based assets to reinvest into low-carbon projects. In Australia, this precipitated in the closure of Hazelwood Power Station and the sale of Loy Yang B. Following this, ENGIE started rehabilitation of Hazelwood Power Station and proud to have commissioned a 150MW/150MWh Hazelwood Battery Energy Storage System in 2023 in Victoria, which is one of the largest batteries in the southern hemisphere. ENGIE ANZ’s Australian energy retailer, Simply Energy, was established in 2005. Simply Energy has over 750,000 customer accounts and serves around 12% of the Australian energy market.

We at ENGIE help our clients in:

  1. Offering decarbonisation solutions through Green Products STCs, LGCs, ACCUs, etc.
  2. Renewable PPAs through Solar, Wind, BESS of various tenor for meeting the Net Zero goals.
  3. Asset Management & Flexibility Services
  4. Market Access & Risk Management

Contact person: Saurav Srivastav

Contact phone: +61-475615840

Contact email:


Flow Power


6A wholesale power company making wholesale change


Iberdrola Australia


Iberdrola has over 55GW of installed capacity and provides energy to 34 million customer billing points worldwide. Iberdrola is globally recognised as a sustainability leader, and has a deep commitment to the green energy transition. Iberdrola’s global expertise includes renewable energy, networks, smart grids, large-scale energy storage, energy innovation and digitisation, and advanced customer products.

Iberdrola’s operations in Australia include owned and operated wind farms in NSW, SA, Vic & WA, as well as utility-scale batteries and gas peaking capacity. As both a generator and a retailer, Iberdrola on-sells its renewable generation to C&I customers under a range of contract structures and partnerships, from standard retail up to long-term, firmed PPAs (Retail PPAs) linked to its assets.

Contact person: James McKell

Contact phone: +61 459 850 527

Contact email:



Swinburne and Infigen agree 100% renewable firm retail supply partnership

Swinburne and Iberdrola Australia have entered in to a 100% renewable electricity agreement from 1 July 2020. This will drastically reduce Swinburne’s carbon emissions footprint as emissions from their electricity represent over 70 per cent of their total emissions (approximately 30,000 tonnes CO2e/year), and bring the University one step closer to their goal of being...

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Smartest Energy


For over two decades SmartestEnergy has been at the forefront of the global renewable energy revolution. As a champion of the independent renewable generation sector, we have been using our voice to advocate for sustainable solutions and empower a greener generation. We’ve been in Australia since 2020, although our history dates back over 20 years when SmartestEnergy Limited began operating in the UK as an aggregator of independent renewable generators in 2001.

As an energy retailer, we are focused on purchasing renewable energy and supplying electricity to large business customers across the National Electricity Market (NEM). SmartestEnergy does not own any fossil fuel or any generation assets at all. We contract with independent renewable generators and access the wholesale market to provide the energy we need to power our customers.

By focusing on supporting energy entrepreneurs to develop renewable generation and storage projects, we aim to accelerate Australia’s transition to a sustainable economy and end the country’s reliance on fossil fuel generation.

Contact person: Katharine Mitchell

Contact phone: 0430 275 922

Contact email:


Tango Energy Pty Ltd


Tango Energy is the fast growing retail arm of Pacific Hydro, a global renewable energy owner, operator and developer, with assets in Chile, Australia, and Brazil.

Tango Energy was established by Pacific Hydro in 2012 to provide retail a distribution channel to support the development of renewable energy projects in Australia.  Tango focussed initially on supplying energy to business and commercial customers and is now rapidly expanding its residential customer base in Victoria, with plans to move into other states.

The Tango Energy customer value proposition can be summarised as ‘low cost energy, simple products and excellent customer service’. This simple proposition meets the core needs and wants of consumers, and has underpinned Tango’s rapid growth to reach over 100,000 customers.

Tango Energy believes that renewable energy and good value for money should go hand-in-hand and will extend its customer value proposition to champion this belief, which is shared with Pacific Hydro.

Tango Energy currently employs 92 people across our Geelong and Melbourne offices, servicing residential, SME and commercial and industrial (C&I) customers.

Contact person: Francesco Presacco

Contact phone: +61386216000

Contact email:


Zen Energy Retail


ZEN Energy is an established Australian energy business, focused on building a portfolio of renewable energy resources and firming assets, to support clients with large electricity needs.

ZEN stands for for Zero Emissions Now. We believe that now is the time to embrace the transition to the post carbon world. We believe that by turning towards low cost, renewable energy, our communities will become more prosperous, and we will help restore a sense of balance to the world. Balance between the human and the natural world. Balance between our people, our customers, and our partners. This is the ZEN way.

ZEN Energy can partner with large organisations, to tailor a renewable energy solution to their individual requirements.

Contact person: LARA REID

Contact phone: +61415621760

Contact email: