Just last Friday the AEMO notified stakeholders more broadly about their new Market Notice Framework about ‘Minimum System Load’ and/or ‘Distributed Photovoltaics (DPV) Contingency’ … prior to Sunday’s new lowest point for minimum demand in South Australia!
Sunny skies and mild weather in South Australia on Sunday 26th September sees a new (lower) point for ‘Minimum Demand set in the South Australian region.
Following from the ESB’s Final Advice, and inspired by the one year anniversary of publications the MT PASA DUID Availability data sets by AEMO (thanks to the ERM-sponsored rule change) we take a quick look about both initiatives might mean for each other. More to come in GenInsights21, time permitting.
Only ~11 weeks after the end of Q2 2021 we’re still exploring details of the extreme price outcomes. Here’s some of the ways in which solar PV played a significant role in the price outcomes delivered.
[POSTED AT ~13:00] On Sat 11th Sept 2021, the ‘Grid Demand’ in the NSW region has dropped to levels not seen for many, many years … especially when considering it is in the middle of the day!
From 10:00 today (Friday 10th September 2021), ElectraNet’s new synchronous condensers (which have been under testing) will be deliver a boost to Semi-Scheduled units in South Australia.
Sharing the AEMO’s email this morning alerting the market to the ‘full speed ahead to 5MS’ notice.
The AEMO’s 2021 ESOO was released this morning. Here’s where you can get it, and some of the articles written about it.
Following comments on social media over the weekend about a new low point for brown coal generation, I took a quick look.
On Thursday 26th August 2021 (a little over 4 weeks after it was provided to the Energy Ministers by the Energy Security Board), the ESB’s Final Advice to Energy Ministers has been publicly released.
As Q2 2021 unfolded, it seemed that there were many instances where prices spiked during evening demand peaks – and that wind output was low at the time. So I took a closer statistical look…
Prompted by reports elsewhere of solar PV production eclipsing coal-fired production on Sunday for a period of time, I had a quick look (including at aggregate bid volumes).
It’s now seven months since the SCADA outage on Sunday 24th January 2021 – and we’re finally able to complete and publish this (quite long) article exploring some of the implications for units on the LHS of the ‘Q>>NIL_CLWU_RGLC’ constraint equation
A brief weekend note about two initiatives commenced by AEMC on Thursday 19th August 2021 – both related to transmission development.
A short note from AEMO’s weekly newsletter – about power system oscillations in west Murray region (VIC/NSW)
Sunday 15th August saw lowest level of Operational Demand in the NEM for a winter period, NEM-wide. This also led to a number of other outcomes (including higher renewable penetration, negative prices, … and chatter on social media).
Prompted by last Friday’s publication of the AER’s ‘Wholesale Markets Quarterly’ for Q2 2021, here’s a tabulated summary of some of the contributing factors of spot price volatility (and hence high average prices) for the quarter – particularly for QLD and NSW.
Re-posted with update: In recent weeks we have noticed a trend towards increased latency in the creation of the ‘PUBLIC_P5MIN_*.csv’ files published by AEMO on MarketNet, and we wonder if you can help us understand why this is happening?
Hydrogen explosion in South Africa (at Eskom’s Medupi unit) will inevitably draw comparisons to the explosion at Callide C4 on 25th May 2021. Use caution in following those links!
Following a tight supply-demand balance in New Zealand on a winter Monday evening 9th August 2021, leading to unserved energy, here’s a quick review of what information I could find.