Analysis

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Renewables in the NEM: Are they leading to price extremes?

With the ongoing growth of renewables in Australia there has been speculation of the overall impact this will have on an energy-only market like the NEM and in particular, its potential influence on spot prices.

BY Carl Kitchen Aug 20 2020

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New report into scheduling and ahead markets

We are pleased to publish a major report the AEC commissioned into the question of Scheduling and Ahead Markets, prepared by the National Electricity Market economists, David Smith and Veronika Nemes of Creative Energy Consulting.

BY Ben Skinner Jul 02 2020

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Paying for Primary Frequency Response: Double-sided Causer Pays

A new report of an investigation into a promising market mechanism to support Primary Frequency Response from generators and batteries has just been released. The investigation was sponsored by our Queensland-based generator member, CS Energy, and carried out by well-known technical consultants to the industry, Intelligent Energy Systems.

BY Ben Skinner Jun 04 2020

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Setting the mark: Why price limits should change in WA

Alongside the lofty energy reforms being rolled out in Western Australia the annual review of the energy price limits has quietly captured the attention of market participants and industry watchers.

BY Graham Pearson May 28 2020

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Reaching new heights: NEM system costs

Last week AEMO released its latest Quarterly Energy Dynamics Report with the majority of coverage focused on the fact that average NEM spot prices fell to their lowest level since the fourth quarter of 2016.

BY Carl Kitchen Apr 30 2020

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South Australia's surprise RRO

The South Australian Government’s decision to invoke the Retailer Reliability Obligation for the state came as a surprise to the energy sector, especially given the Australian Energy Market Operator did not flag any reliability issues in its most recent Electricity Statement of Opportunities. So how did this come about?

BY Ben Skinner & Carl Kitchen Jan 30 2020

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Wholesale Demand Response Mechanism: Poised to go ahead

Today the AEMC published its draft determination on a Wholesale Demand Response Mechanism. The concept first emerged in the AEMC’s ground-breaking Power of Choice Review in 2011, and was subsequently developed, assessed, rejected, re-emerged and is now on the verge of being imposed on the market. We take a look at what all the fuss is about that has kept it in, and out, and back, in play for so long.

BY Ben Skinner Jul 18 2019

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Wholesale price debate reignites

The Victorian Energy Policy Centre released a paper into wholesale prices following the closure of the Hazelwood power station this week.

BY Carl Kitchen Mar 28 2019

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How competitive is the NSW wholesale electricity market?

In its interim report last year, the Australian Consumer and Competition Commission raised concerns about the highly concentrated nature of the National Electricity Market.” As the final report is due to be released in July, we examine this claim with a detailed look at the NSW wholesale market

BY Matthew Warren Mar 27 2019

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The costs of reliability: Handle with care

With the recent load shedding in Victoria system reliability continues to be in the headlines. The concept of reliability and loss of power due to insufficient supply are often misunderstood and confused with network outages and system security. This has been recognised by two significant pieces of work by the Australian Energy Market Commission and the Grattan Institute. We take a look…

BY Carl Kitchen Feb 14 2019

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NEM: Technology and policy shifting the market

The National Electricity Market is the subject of numerous proposed government interventions, much of it appears to be driven by a view from government and regulators that the market is insufficiently competitive. Respected economist, Rajat Sood, has contemplated that issue and the profound technological and policy shifts that are underway. What his report found is very significant.

BY Ben Skinner Feb 07 2019

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Generator rebidding: Fair game for criticism?

Earlier this year generators were put under the microscope following claims that they were “gaming” the market and, as a result, costing consumers millions of dollars. But is that what the AEMC found when it took a closer look.

BY Carl Kitchen Oct 18 2018

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Electricity exports: What did the NEM do last summer?

With the close of summer, a media report was quick to highlight that New South Wales power stations had “kept the lights on in Victoria” [i]. This was the first summer in which Victoria did not have access to the 1600MW of baseload generation provided by the Hazelwood brown-coal fired power station, which closed in March 2017.

BY Carol Tran Mar 09 2018

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Gas and electricity bills: What's the story?

The energy debate in Australia continues to be hampered by ideological or partisan positions. This week a new report by the McKell Institute, “The Cost of Inaction”, that purported to model for the first time the impact of wholesale gas prices on household power bills in New South Wales, Victoria and Queensland was released.

BY Carl Kitchen Feb 09 2018

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Regulator shines a light on NSW wholesale market

This week the AER released its review into the “step change” in wholesale electricity prices in NSW since late 2016. This was the first review under the AER’s new wholesale market monitoring powers, so it was important opportunity to shed a clearer light on what is driving up wholesale electricity prices.

BY Carl Kitchen & Duncan MacKinnon Dec 08 2017

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Looming increases in Victorian household electricity prices: What are the drivers?

Unfortunately there is some more bad news on the electricity price front coming up in the new year. However there may be some light further down the tunnel.

BY Ben Skinner Nov 24 2017

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Down, down, are SA Prices down?

There have been reports that over the past few months that South Australia’s wholesale electricity prices have been below those in Victoria and NSW, a consequence of “steps taken by the Australian Energy Market Operator and the Weatherill government to ease the state’s energy reliability problems”.

BY Duncan MacKinnon Nov 17 2017

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Power supply in the NEM generates debate

In light of the ACCC inquiry into rising electricity prices, some have turned their attention to the ownership of generation assets in the National Electricity Market.

BY Isobel Graham Sep 01 2017

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Day Ahead Markets: A new hope or a phantom menace?

The Independent Review into the Future Security of the National Electricity Market chaired by Dr Alan Finkel AO recommended that by mid-2018, the Australian Energy Market Operator and the Australian Energy Market Commission should assess “the suitability of a ‘day-ahead’ market to assist in maintaining system reliability”. So what’s a “day-ahead market” and will it help?

BY Duncan MacKinnon Jul 28 2017

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Where do we need a new dispatchable power station?

For the first half of 2017 there has been a campaign for a new coal fired power station to be built in North Queensland. It has been variously suggested that this would both alleviate the high electricity prices in the National Electricity Market and incentivise regional investment and employment.

BY Matthew Warren Jul 20 2017

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