Our guest author Stephen Sproul looks at how the Dalrymple Battery Energy Storage System (BESS), currently the only source of virtual inertia on the NEM, responded to the November 2019 SA islanding event.
Guest author, Allan O'Neil tries to piece together further detail of what is intended with the apparent tightening of the Reliability Standard (which has sat at 0.002% USE for many years).
A back-dated article, looking back at the two ERM rule change requests which, when passed by the AEMC, had great effect in expanding transparency in the NEM in relation to generator availabilities from 20th...
Using the (hot off the press) Generator Statistical Digest 2019, we take a look across all 304 DUIDs to see how they performed through calendar 2019 in terms of large excesses in 'Raw Off-Target'...
Two earlier articles today prompt this follow-on piece, specifically focusing on what's being requested by ERM Power in two separate rule change requests relating to the MT PASA process.
Perhaps missed amongst all the bushfire-related action in the NEM, the SA Minister for Energy last week initiated the Retailer Reliability Obligation. Guest author Allan O’Neil tries to come to grips with what this...
Guest author, Tom Geiser, discusses the different approaches to loss factors amid recent market proposals.
Guest author (and power system control specialist), Kate Summers, looks at what's changed since she published a paper on frequency control in the NEM back in January 2017.
Better late than never (perhaps?) today I post a few thoughts about the AEMC's proposed draft rule change for the incorporation of NegaWatts into centralized dispatch.
Some thoughts from Derek Chapman, from Adani Renewables, in conjunction with two rule change requests at the AEMC relating to Marginal Loss Factors.
A collection of thoughts that have been bumping around in my head for some time about the latest push by various parties to facilitate a broader range of demand response in the NEM, and...
Guest presenter, Kate Summers, spoke at UoM Climate and Energy College on 15th August 2018, with the presentation recorded. Kate shares this today with WattClarity readers.
A quick look back at the AEMC's Final Determination on Five Minute Settlement.
A belated link to the Finkel Review.
The National Electricity Market (NEM) is designed to operate at 50 Hz. Frequency deviation occurs when generation and load are mismatched. It is important in a lightly meshed and long network such as the...
One of the most disruptive impacts on Australia’s electricity system over the past decade or so has been the rapid uptake of air conditioners – a consumer driven response to the introduction of inexpensive...
It's 18 months since the completion of the Smart Grid Smart City project - here's some thoughts from one of the people who was very much involved in the project (a new guest author...
On 4th December 2015, Sun Metals (a zinc smelter in northern Queensland, and also one of our initial deSide® clients) submitted this rule change request to the AEMC: In the 10-page proposed change, my...
Some ideas that I have been puzzling over - about the overlaps and contradictions between 3 rule changes under consideration at the AEMC currently 1) The Demand Response Mechanism (better known as the Negawatt...
Some thoughts by a new guest author about different tariff options for delivering demand management for residential electricity customers - and the relative benefits of each for the network.