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AGL Energy accused of manipulating electricity prices


A class action alleges AGL Energy intentionally increased the price of wholesale electricity by "gaming" the market, hitting consumers with higher power bills.



AGL Energy has been accused of "gaming" the wholesale electricity market by using bids to inflate power prices and cause higher bills for consumers.


A class action filed in the NSW Federal Court seeks to compensate customers for "significant losses" caused by AGL's alleged manipulation of the electricity market which affected downstream prices charged to homes and businesses.


Piper Alderman, the law firm behind the lawsuit, said it had been investigating anomalous spikes in the spot price of electricity in South Australia between 2013 and 2020.


"(It) is alleged in the class action that certain price spikes have been caused by AGL adopting 'gaming' strategies in their supply of electricity," the firm wrote. 


"By gaming of the system, it is alleged that AGL has created an artificial scarcity of supply in the NEM, inflated electricity prices for consumers and prevented other generators from competing for market share."


The energy giant is claimed to have made what is known as an "initial dispatch offer" for the price of electricity coming from its South Australian power stations and then putting in a late-stage rebid to push the price up further.


"AGL took advantage of its market power for the substantial purpose of deterring or preventing competing generators from engaging in competitive conduct," the class action pleadings say.


"AGL's contraventions were a cause (of) the prices set under default market offers being higher than the prices otherwise would have been."


These offers took place on the South Australian Region of the National Electricity Market, a wholesale exchange operated by the Australian Energy Market Operator where generators sell the electricity produced.


The lead applicant in the class action, SA Country Pubs, runs the Griffins Head Hotel at Adelaide's Hindmarsh Square and claims it was overcharged for its power bills because of AGL's misconduct.


The firm says it paid more than $474,000 for electricity from June 1, 2017 until the class action was filed on June 1 this year.


In a market with high barriers of entry for new generators or the expansion of existing ones, AGL had significant competitive power in the SA market, SA Country Pubs says.


This includes providing more than 37 per cent of all electricity across the state in the 2017 financial year, documents filed with the court claim.


Competitors were also unable to come in with lower bids because AGL allegedly opted to make its rebids at the last minute.


"AGL engaged in the short-notice rebidding in reliance on the substantial degree of power held by it in the market," the statement of claim says.


"(AGL) stood to gain greater financial reward from successful short-notice rebidding than a smaller generator."


This market power allowed AGL to create bids which the Australian Energy Market Operator would have to accept to dispatch electricity through the grid, the class action says.


If successful, the lawsuit could lead to AGL paying damages, compensation and legal costs to overcharged consumers in South Australia.

In an ASX announcement, AGL said it had been served with the class action and stood by its actions.


"AGL takes its compliance obligations seriously and intends to vigorously defend the proceedings," it said.


The matter is scheduled to come before the Federal Court on July 13.


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