About ERM’s two rule change proposals in at the AEMC
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.
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
Where’s Loy Yang A unit 2?
The ongoing (second) outage at Loy Yang A unit 2 is a timely reminder of the need to progress the 2 rule change proposals submitted by ERM Power with respect to MT PASA data duration, and granularity.
Some insights about Loy Yang A unit 1 from CAL 2019 (using a draft of the ‘B’ page from the GSD2019)
Another weekend reviewing progress on the Generator Statistical Digest 2019 (nearing completion) and I thought it would be of interest to share some insights about Loy Yang A unit 1 that jump of the sample page provided to us in yesterday’s draft.
More details on the bushfire-driven extremes in the NSW Region of the NEM on Saturday 4th January
All I have time to do today, looking into more detail of what happened today …. but note that the challenge is still unfolding.
Bushfires under interconnectors through Snowy Mountains cause separation of NSW from VIC region
A quick summary of what’s just happened this afternoon (15:10) with the separation of VIC-to-NSW interconnector due to bushfires that have been plaguing the NEM this summer…
Full Disclosure 5 – a founding shareholder of Overwatch Energy
In mid 2019, a new company Overwatch Energy Pty Ltd was formed – to be an operations specialist to support the energy transition. (Please visit the Overwatch Energy website for more details about that separate company). Along with several other…
Another LOR2 (and RERT Negotiations), out of the blue…
A quick article with the unfolding situation this afternoon in Victoria – tight supply/demand balance, price spike to the Market Price Cap, and RERT negotiations ….
Return-to-service of Loy Yang A2 hits a snag
A short note looking at forecast for Victoria today, Monday 30th December (coincidentally as Loy Yang A2 came offline on Friday evening).
Mortlake Unit 2 (offline since July) up close to full load on Friday morning 27th December 2019
With the return of Mortlake unit 2 this week, we take a quick look at current forecasts for the week and quarter ahead in Victoria.
Limondale Solar Farm starts up – only the first 29MW component of a bigger planned station?
Merry Christmas to Innogy, with first operations seen at the first phase of the Limondale Solar Farm
Loy Yang A2 returns to service on Tuesday 24th December 2019
Noticed that Loy Yang A2 is back online today, so worth a short note.
AEMO speaks directly to Wind and Solar Farm operators – please alert us to temperature limitations on your assets
In what seems (to me) to be an extraordinary measure, AEMO speaks directly to the operators of Wind and Solar assets in the NEM, asking them to update the AEMO on the high-temperature limitations of their plant. How did it come to this?…
What happened yesterday (Fri 20th Dec 2019) in the Victorian Region? A first look…
A first look back at yesterday (Friday 20th December 2019) in the Victorian region – where we saw extreme temperatures, high demand across VIC and SA and (perhaps because of high temperatures) a large discrepancy open up between forecast Wind Availability and actual. This would have contributed to the surprise LOR2 announcement and commencement of RERT negotiations.
Not-So-Quick review of price spike in South Australian region yesterday (Thu 19th Dec) evening
Took 2-3 times longer than planned (as there were a few different interesting observations that came out) but here is our initial – and perhaps only! – review of what happened in South Australia on Thursday 19th December 2019 (i.e. yesterday).
Sweating on the return of Loy Yang A Unit 2
Taking a quick look at what’s forecast for the Victorian region tomorrow, with LOR2-level Low Reserve Condition forecast.
High temperatures drive Queensland Scheduled Demand over 9,400MW
With Queensland temperatures (even at the Brisbane airport) exceeding 40 degrees Celcius today, the electricity demand was also high – though still below the all-time record.
The (ongoing!) opacity of distributed, small-scale solar PV output
42 months after I posted some initial thoughts about “the opacity of rooftop PV” it seems that – when viewed in certain ways, discussed here – the problem is actually getting worse, not better.
Exploring AEMO’s demand forecast “error” for Saturday 26th October 2019
Four weeks ago, we observed a significant discrepancy between AEMO’s forecast for (what would have been) a record low point for Scheduled Demand in South Australia and what actually eventuated. We’ve now had time to explore further…
Probability, Consequence (and Risk) as it relates to summer 2019-20 in the NEM
With summer 2019-20 fast approaching, we’ll use the refresher on the two core components of risk (probability and consequence) to unpick what the real issue is with respect to concerns about overheating electricity supplies this summer, especially in the Victorian region.
Analytical challenge – recognising the separate components in Risk, and their influence
A simple refresher on two core components that combine in order to define risk – probability and consequence.