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Byron Shire
April 17, 2024

ACCC report wants federal rooftop solar subsidy abolished by 2021

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The ACCC report urges the federal government to reinvest in new large-scale power plants – and doesn’t rule out coal in the mix. Image econews.com.au

Giles Parkinson

The Australian Competition and Consumer Commission, in a report on how electricity consumers have been ripped off by network companies, generators and retailers, has targeted the technology with the least impact, and probably biggest benefit – rooftop solar – for the most dramatic action.

The ACCC has called for the federal small-scale renewable energy scheme (SRES), which provides an upfront rebate, to be wound down and ‘abolished’ by 2021.

At the same time, in a series of scatter-shot proposals, it has called on the federal government to underwrite the construction of new ‘dispatchable’ generation, including coal and gas plants.

It also says it supports the proposed National Energy Guarantee, even though it admits it could further reduce competition, and therefore add to pricing pressures.

Its own data estimates this scheme costs consumers, including those who do not own solar, no more than 40c a week – or about 5 per cent of total price rises in recent years that are largely due to inflated network costs, price gouging in wholesale markets and retail rip-offs

Nowhere in the 369 page report does the ACCC calculate the benefit of rooftop solar, despite most networks recognising it has reduced, delayed and narrowed the most costly part of the electricity market, the afternoon demand peak.

The ACCC makes one brief mention of the potential for rooftop solar to reduce demand and lower prices.

‘In light of the dramatic reduction in solar PV installation costs, the ACCC considers the case for a subsidy for small-scale solar installations is now weak, and is of the view that the SRES should be ended earlier than its currently scheduled end date in 2030,’ it says.

‘Removing the SRES would save an average residential customer in the NEM $15–30 per year depending on state.’ This equates to a saving to households of between 28c and 56c a week.

‘This could be done by stating that certificates would no longer be created by new installations, or required to be redeemed by retailers, after a certain time.’

The decision is likely to make it harder for lower income and other households, that had hitherto found it difficult to find the money for rooftop solar, just as new programs are introduced that would make it easier for them to invest in the bill cutting technology.

Rooftop solar is currently going through another boom, with a record 1.5GW expected to be installed this year, as more businesses turn to the technology to deflect soaring grid costs. The rebate applies to installations of 100kW or less.

Indeed, rooftop solar is expected to continue to surge towards 58GW by 2050 – from just over 7GW now – as more households turn to rooftop solar, in particular renters and low-income households, and as larger business install even bigger systems (which would not qualify for the rebate).

This is considered to be a good thing. The Australian Energy Markert Operator says Australia can expect a grid that sources nearly half of its supply from distributed energy – including battery storage.

BloombergNEF comes to the same conclusions, arguing that such levels of rooftop solar would do more to close coal generators than any other measure, because of the inability of the coal plants to adapt to a flexible system.

A move to close the SRES scheme nearly a decade early would likely deprive lower income households of the opportunity to move into the market, although it would have no impact on industrial demand, which is expected to be close to 30GW by 2050.

The ACCC acknowledges the ‘inequity’ of its proposal for those who had yet to install solar, suggesting that it would result in a significant downturn in installations, but said that by ending the scheme in 2021 – and not immediately, which it said was one option – could give people time to install.

(This suggests that the ACCC has learned nothing from the management of the feed-in tariff schemes, and the way those premium tariffs were managed, and which resulted in a boom-bust scenario for the industry).

The proposal was met with astonishment by the Smart Energy Council, which noted that installing solar was the one thing that households could do to combat the surge in prices caused by the unjustified and unfair increases in network, wholesale and retail costs identified by the ACCC.

‘The one thing householders can do to slash their power bills is to install solar,’ CEO John Grimes said in an email to stakeholders.

‘The federal government needs to immediately rule out abolishing the SRES. Uncertainty around the SRES will cause unnecessary panic and confusion for consumers and the industry.’

Solar Citizens also responded. ’Slashing the small-scale renewable energy scheme is absolutely the wrong way to go if you want to save households money on their electricity bill,’ said senior campaigner Shani Tager.

‘Already 1.8 million Australian households and businesses have put solar on their rooftops because it’s the best way to guarantee savings on your electricity bill.

‘Energy consumers are tired of being taken for a ride by electricity retailers, which is why Australians are installing solar at record rates so that they can take the power back into their own hands.’

Indeed, the ACCC report continues its bias against renewable energy subsidies – saying that the large-scale renewable energy target had ‘distorted the market’ in Australia. It did not recommend any changes or early phase-out of the LRET, though, despite widespread calls from conservatives to do so.

Extraordinarily, it focuses only on the ‘spot market’ for the large-scale certificate price, which accounts for a tiny fraction of the market. The report ignores the fact that most new wind and solar farms are signing contracts that attribute zero or minimal value to the LGCs.

Instead, the ACCC – which has dismissed price gouging by generators in the past as ‘the market at work’, with a light-touch regulatory supervision – wants more gas reserves opened up, and it wants government to underwrite new generation, including potentially coal plants.

It does, however, urge state governments in Queensland, Tasmania and NSW to write down the value of state-owned networks, and wants to impose rules that limit utilities with 20 per cent or more market share from acquiring more generation capacity.

The ACCC investigation into wholesale prices confirms what everyone has known – that network costs are inflated, that retail offers are deliberately confusing and over-priced, and that generators are gaming the market.

Bids from coal generators in NSW and Queensland had increased far beyond the increased cost of generation, and even Snowy Hydro – the fourth biggest utility now owned by the federal government – has nearly doubled the price of its bids, even though the cost of hydro generation has, of course, not shifted a jot.

It notes that the lack of competition in the South Australian market had affected prices there, although it concedes this has been eased by the introduction of the Tesla big battery, and resumed generation from Pelican Point.

What is intriguing is the proposal for the government to write power purchase agreements for new generation that would cover output from years six to 15 of the plant.

Ostensibly, this is in response to the inability of major customers to contract for more than five years. The ACCC says this should be open to all technologies that can prove to be dispatchable. It proposes a price of $45-50/MWh.

The Nationals, of course, took it as a sign of support for their push for new coal generation.

Ostensibly, this is in response to the inability of major customers to contract for more than five years. The ACCC says this should be open to all technologies that can prove to be dispatchable. It proposes a price of $45-50/MWh. The Nationals took it as a sign of support for their push for new coal generation.

This article was first published in One Step Off the Grid and is reproduced with permission.



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  1. For a chap that bought his 5 kw unit early to reduce my impact on the enviourement spent $50,450 on my unit and have wind backup
    Personally think this stinks of an cheap energy grab legal theft.

  2. Yes consumers are fed up with price gouging energy generators and installing solar. We also worry what sort of planet we’re leaving for our children and their children.

    Losing control of our essential utilities by selling them off to the corporates and allowing them to run amuck is a very bad idea.

    Then taking away the subsidies for solar to build more dirty coal fired power stations-brilliant.

    You have to wonder which rock these people crawled from under and hope they crawl back there swiftly before they do too much damage.

  3. Is it cheap energy? The photo-voltaic cell as now only utilises 38% of available solar visible light spectrum, so only about 18% of all available spectrum. This will improve with time but for now it is still inferior technology. And windmills are just that. Even don Quixote had to have a tilt at them. As for the big battery, there will have to be thousands of them, or tens of thousands. Shove the ideology back where it came from.

  4. The thought of dirty stuff not consistant with a nice latte and croissant but someone had to dig in the dirt. And then consider the end life of all these big batteries, the thousands we will need, which can be rejuvinated for a while but must eventually be recycled. Science has it worked out, for the best case scenario. But the serious chemical stuff involved, dozens of carcinogens, makes Black Lung look like a walk in the park.

  5. I recently googled treadle power as a joke, thinking it a ridiculous idea, no, some brilliant environmentalist has thought of it: why waste all that exercising without producing energy. We mice thank you your brilliant ideas and look forward to the further mazes. Truly humble really. The experiments go on.

  6. If digitalisation was the world’s second most industrial revolution, after our trade skills were abandoned for factories, then environmentalism is our third. Even traditional companies and traditional countries are going for it, because it means bucks. It’s the south american rail company of the modern world looking for your hopeful investment. Hundreds of quangos and soft shoe salesmen. And none of them saying what happens to the panels or the batteries when the free life in them is dead. Because that is the new industrialation. They hope it happens before you notice, before they notice, before they notice you noticing. And it is.


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