Large-scale solar could meet two-thirds of Australia's renewable target | RenewEconomy

Large-scale solar could meet two-thirds of Australia’s renewable target

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First Solar’s Jack Curtis says “aggressive” investor appetite for Australian big solar could see it deliver up to 4GW of remaining RET.

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As much as two-thirds of the 6GW of new-build renewable generation still needed to meet Australia’s 2020 renewable energy target could come from large-scale solar, according to First Solar’s head of project management in the Asia Pacific region, Jack Curtis.


In an interview with RenewEconomy on Thursday, Curtis said that the investment environment for large-scale solar in Australia was the most positive First Solar had witnessed since entering the market a few years ago.

“We’re now at a point where if you look at the RET, you can safely assume an easy 2GW (of large-scale solar development) gets done. …You could make a very credible case that 2GW of the 6GW will go to large-scale solar and maybe 4GW.

“There is an aggressive appetite from retailers for PPAs (power purchase agreements), an aggressive appetite from banks and from equity partners to invest in these projects,” he said.

Curtis was talking to RenewEconomy about the success of First Solar’s joint venture with the University of Queensland, the Gatton Solar Research Facility which, post commissioning and fully optimised has delivered an estimated annualised yield of more than 6GWh – around 10 per cent higher than forecast and which corresponds to a weighted average capacity factor of 21-22 per cent.

He said that the ability to “demonstrate a bullet-proof business case” for large-scale solar plants, as illustrated by the data from Gatton, was crucial to meet the current investment appetite.

“The crux of greater adoption of large-scale solar is proving out operational data,” he told RE. “That’s how debt gets repaid.”

But Curtis also said that large-scale solar in Australia would not be competing at the price point it was right now if “ARENA hadn’t taken the approach they had” of grant-funding early large-scale solar development in Australia.

First Solar has been a beneficiary of that funding, with ARENA providing large grants to key projects such as the 102MW Nyngan solar farm, the 53MW Broken Hill facility, and the smaller solar facility at Rio Tinto’s Weipa mine in north Queensland. First Solar also built the nation’s first large scale solar farm, at Greenough River in Wet Australia.

Ironically, Curtis’s comments coincide with those of federal energy minister Josh Frydenberg, who told RenewEconomy in an interview on Thursday that the Turnbull government intended to go ahead with its plan to strip $1.3 billion of funds from the Australian Renewable Energy Agency and end its grant-funding mechanisms – a move it expects Labor to support.

And on the Renewable Energy Target, Frydenberg said the government had no immediate plans to look at longer-dated targets, or set more ambitious goals for development.

Nevertheless, Curtis is bullish about big solar’s future in Australia – and confident that it’s growth will continue to be supported by government.

“I’m pretty confident in the view that there will be another policy mechanism that comes on in 2020,” he said.

“The next three to four years will be very exciting.

“When you look at who’s participating in the space now, the Australian market has been inundated with interest, especially global finance; the EU, US, China, Japan, they’re all really interested in investing in this asset class.

“Combining that with the aggressive retail appetite, I expect demand for large-scale solar to continue to grow.”

(NB: RenewEconomy will have more news from the interview with Curtis and UQ’s Paul Meredith on Monday).


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  1. Daniel 4 years ago

    Large and medium-scale solar projects need to focus on cushioning the grid from expensive upgrades and maintenance, as well as work towards a Renewable Energy Target. Pilot projects integrating a basic amount of battery storage would also enhance our knowledge base around their implementation as well as enhancing grid reliability for vulnerable and remote areas.

    • david H 4 years ago

      We also need storage to flatten out the “duck” effect of solar PV.

      • Daniel 4 years ago

        We use a modest amount of lead acid batteries to even out our peak demand during the day, get us into the evening and provide an Uninterruptible Power Supply (UPS) feature. e.g. There’s two days in the coming two weeks where the grid will have a power outage between 9am – 3pm. There’s three people who live, study and work on the property during the day, so it’s a fantastic convenience to have that UPS feature for the price of $2.2k of old generation batteries. After the shakedown process with new generation batteries happens, we will get drop in replacements of lithium batteries or another comparable technology, with a higher potential for Depth Of Discharge and round trip efficiency. As batteries are still coming down in price, we haven’t installed enough batteries to cover winter heating after the early evening. I imagine many people may be in a similar situation.

      • Jonathan Prendergast 4 years ago

        The ‘duck’ effect is prevalent more in residential areas with high roofotp solar PV penetration. Not necessarily an issue for all areas just yet. Will be a nice problem to have when we have lots of solar!

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