Operational tests set to begin at Western Australia’s biggest BESS

May 15, 2023
LinkedIn
Twitter
Reddit
Facebook
Email

A 100MW/200MWh battery storage project in Western Australia is about to begin its operational test phase ahead of commissioning.

The battery energy storage system (BESS), in the Kwinana region of Western Australia (WA) south of state capital Perth, is the largest project of its kind in the state so far, and is being delivered by government-owned energy generation-retail company Synergy.  

With the start of testing announced by the state government yesterday (14 May) WA premier Mark McGowan described batteries as “critical to our energy future,” allowing the state to harness the abundant rooftop solar resources installed by its homes and businesses.

The system will perform renewable energy load shifting, storing surplus energy generated at off-peak times and discharging it into the local grid in late afternoon and evening peak periods. As a flagship project of the WA government, it is also aimed at providing learnings for other large-scale projects.

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

Installation of the Kwinana BESS began in the middle of last year, with engineering, procurement and construction (EPC) duties contracted by Synergy to NHOA, the energy storage system integrator formerly known as Engie EPS and owned by Taiwan Cement Corporation (TCC).

The 100MW lithium iron phosphate (LFP) system will be connected to the network of another state entity, Western Power Network.

It is now ready to start performing operational test cycles of charging and discharging into the network, and will start doing so under non-test conditions later this year as it enters commercial operation.

The Kwinana BESS will be superceded as WA’s biggest project of its type by two projects announced by the state government just a few days ago as it unveiled its budget for the 2023-2024 period.

As reported by Energy-Storage.news on Friday, WA is funding two large-scale BESS projects which Synergy will also deliver. Both with up to 4-hour duration, one is going to be 500MW/2,000MWh and built at the site of Collie, a coal-fired power plant, the other will be a 200MW project with up to 800MWh capacity, to also be built at the Kwinana site.  

Sungrow nets 500MWh Australia deal

In other Australian news, Sungrow recently signed a three-year energy storage system (ESS) supply deal with Solar Juice, an Australian wholesale and distributor of solar PV, inverters, storage and related equipment.

The Chinese PV inverter manufacturer and BESS manufacturer-integrator signed the deal at the beginning of this month at the Smart Energy conference and expo in Sydney. It is Sungrow’s biggest deal in Australia to date, company representatives said.

Energy-Storage.news’ publisher Solar Media will host the 1st Energy Storage Summit Asia, 11-12 July 2023 in Singapore. The event will help give clarity on this nascent, yet quickly growing market, bringing together a community of credible independent generators, policymakers, banks, funds, off-takers and technology providers. For more information, go to the website.

Read Next

November 27, 2025
The Western Australian government has launched the first stage of an Expression of Interest (EOI) process for a 50MW/500MWh vanadium flow battery energy storage system (VBESS) in Kalgoorlie.
November 19, 2025
Swedish renewable energy developer OX2 has formally taken ownership of the 1.2GW Dinner Hill Wind Farm and the co-located 400MWh Harvest Battery Energy Storage System (BESS) in Western Australia.
Premium
November 18, 2025
ESN Premium speaks with Mukesh Chatter of Alsym Energy about the potential advantages of sodium-ion energy storage.
Premium
November 14, 2025
The US development arm of Milan, Italy-headquartered developer Nadara has encountered a setback in its pursuit of a 200MW hybrid BESS destined for Arizona.
Premium
November 13, 2025
On 4 September, US Immigration and Customs Enforcement (ICE), along with multiple other law enforcement organisations, raided Hyundai Motor and LG Energy Solution’s electric vehicle (EV) battery cell plant in Ellabell, Georgia, US.