Neoen
Long-term owner and operator of renewable energy assets in Australia and New Zealand, with over 5 GW of renewable energy assets contributed in Australia.
Last updated November 2, 2026
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Overview
Neoen is a long-term owner and operator of its assets, described as one of the world's leading producers of exclusively renewable energy. In Australia it has been accelerating the energy transition for over a decade, contributing over 5 GW of renewable energy assets representing an investment of more than $9 billion, and has recently launched operations in New Zealand. Its portfolio spans solar, wind and storage, and it is a signatory to the Clean Energy Council's Best Practice Charter.
History
Neoen has been accelerating Australia's energy transition for over a decade. By August 2023 it had reached 3.3 GW of capacity in operation or under construction in Australia, consisting of 2 GW of generation capacity evenly split between solar and wind farms and 1.3 GW / 2.8 GWh of battery storage, and had invested more than AUD 4 billion. In July 2022, its 150 MW / 193.5 MWh Hornsdale Power Reserve in South Australia secured approval from AEMO to deliver inertia services, becoming the first big battery in the world to deliver grid-scale inertia services. In October 2024, its Collie Battery Stage 1 in Western Australia, a 219 MW / 877 MWh battery, began operating and delivering grid reliability services under contract with AEMO. The company has recently launched operations in New Zealand and intends to continue expanding its growth in this region.
Products and positioning
Long-term owner and operator of renewable energy assets; one of the world's leading producers of exclusively renewable energy.
Product categories. Solar · Wind · Storage
Controversies
2021
Australian regulator files proceedings over Hornsdale Power Reserve
The Australian Energy Regulator filed proceedings in the Federal Court against the Hornsdale Power Reserve, the Tesla Big Battery, alleging that it failed to provide promised frequency control services despite being paid to stand by. The regulator said it was seeking penalties, declarations and costs. The proceedings concern the Hornsdale Power Reserve, which is associated with Neoen.
Recent events
- Unconfirmed
Bord Gáis Energy partners with Neoen on three solar farms[7]
Reported:
Bord Gáis Energy partnered with Neoen on three solar farms; under an agreement running until December 2037, Bord Gáis Energy will be the sole offtaker of electricity produced by the facilities.
Australian regulator files proceedings over Hornsdale Power Reserve[6]
Reported:
The Australian Energy Regulator filed Federal Court proceedings against the Tesla Big Battery, known as the Hornsdale Power Reserve, alleging that it failed to provide promised frequency control services despite being paid to stand by. The regulator said it was seeking penalties, declarations and costs.
Sources10 sources
- 1Neoen | Global leader in renewable energyaustralia.neoen.com
- 2Neoen becomes the first company to pass 3 GW of renewable energy capacity in Australia - Neoen Australiaaustralia.neoen.com
- 3Neoen and Tesla deliver innovative inertia services at Hornsdale Power Reserve big battery in Australia - Neoen Australiaaustralia.neoen.com
- 4Neoen’s Collie Battery Stage 1 begins operating and delivering grid reliability services in Western Australia - Neoen Australiaaustralia.neoen.com
- 5Neoen Australiawikidata.org
- 6Australian regulator files proceedings over Hornsdale Power Reservebrisbanetimes.com.au
- 7Bord Gáis Energy 与 Neoen 合作开发三座太阳能农场rte.ie
- 8Australia Sues Tesla Big Battery for Failing to Deliver What it Promisedautoevolution.com
- 9Tesla battery operator sued in Australia over alleged service failureswindpowermonthly.com
- 10Tesla’s South Australian Battery Sued After Failing to Ensure Energy Stabilitytheepochtimes.com
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