Australia’s EnergyCo increases New South Wales REZ size to 7.7GW

LinkedIn
Twitter
Reddit
Facebook
Email

The Central-West Orana Renewable Energy Zone (REZ) in New South Wales, Australia, has increased in size, now allowing 7.7GW of renewable energy generation and energy storage capacity to connect to it.

As revealed by state-owned energy Energy Corporation of New South Wales (EnergyCo) last week (16 January), the increase has been enabled by raising the intended network capacity for the REZ from 3GW to 6GW. This was achieved following a headroom assessment that started in early August 2024.

The New South Wales government initially announced an increase in the REZ’s intended network capacity in December 2023. Still, EnergyCo had yet to formally confirm an increase in projects able to connect.

The network capacity of the Central-West Orana West REZ will initially operate at 4.5GW. This network capacity enables up to 7.7GW of solar PV, wind and battery energy storage system (BESS) projects to inject power into the grid, as they will be doing so at different times of the day and not all exporting energy simultaneously, EnergyCo said.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

One of the perks of this increased capacity means that projects listed within the Central-West Orana REZ Environmental Impact Statement (EIS), submitted in October 2023, which included measures to avoid, minimise, or mitigate potential environmental and community impacts, could add additional co-located BESS to capture renewable energy generated from solar PV and wind to be exported at times of low output.

EnergyCo also confirmed that the increase in capacity means that the company would increase the Community and Employment Benefit funding from access fees, which is currently at an initial AU$128 million (US$79 million).

The Central-West Orana REZ will be built on roughly 20,000 km2 near Dunedoo, Mudgee, and Dubbo, a rural area about 330km northwest of Sydney. It will potentially unlock an estimated AUS$20 billion in private investment in solar PV, wind, and energy storage.

Energy storage developer Akaysha Energy is one such company exploring the opportunities within the Central-West Orana REZ via its proposed 1,660MWh 4-hour duration Orana BESS. In July 2024, 11 banks agreed to lend AU$650 million towards its development.

You can read the full article on PV Tech.

8 September 2026
Barcelona, Spain
Battery & Energy Storage Tech Europe (BESTE) is Europe’s industrial scaling platform for stationary and industrial battery applications — not EVs. Taking place 8–9 September 2026 at Fira de Barcelona, BESTE brings together utilities, IPPs, energy-intensive industries, data centres, ports, rail, maritime, defence and aerospace OEMs — all deploying or integrating battery storage at scale. Over 100 companies already confirmed — including EDP Renewables, Acciona, Endesa, Naturgy, Neoen, Galp, Basquevolt and Veolia — alongside 40+ expert speakers and international institutional support from BEPA, BVES, LDES and Volta Foundation. Where Europe’s battery & ES ecosystem turns projects into reality.
15 September 2026
San Diego, USA
You can expect to meet and network with all the key industry players again in 2025 from major US asset owners, operators, RTOs and ISOs, optimizers, software and analytics providers, technical consultancies, O&M technology providers and more.

Read Next

June 25, 2026
AEMO has set out a storage requirement of almost 50GW in its latest 2026 Integrated System Plan (ISP), split between 35GW of short and medium-duration battery storage for daily firming and 5GW of long-duration energy storage (LDES) for seasonal reliability.
June 24, 2026
Market research firm Wood Mackenzie predicted that the US energy storage market will almost quadruple over the next six years.
June 24, 2026
The Australian government has announced the results of Capacity Investment Scheme (CIS) Tender 8, selecting 15 battery energy storage projects across the National Electricity Market (NEM), totalling 4.2GW/16.1GWh.
June 23, 2026
Renewables developer rPlus Energies has announced start of commercial operations for the 400MW/1,600MWh Green River Energy Centre in Emery County, Utah, US.
Premium
June 23, 2026
ZincFive, a manufacturer of nickel-zinc battery systems for data centre and AI infrastructure applications, announced on 11 June that it will become publicly traded through a merger with special purpose acquisition company (SPAC) Spark I Acquisition Corporation.