What’s up with Waratah BESS (unplanned outage till 3rd May 2026)?
Today we see that, for the WTAHB1 unit in the MT PASA DUID Availability data set, there's now an unplanned outage for Waratah BESS extending well off the...
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Mainland Frequency wanders south early Friday afternoon 7th November 2025
A quick snapshot at 13:56 (NEM time) on Friday 7th November 2025 of our live updating frequency monitor, with frequency having wandered south:.
(First ever?) forecast MSL warnings issued for South Australia for the coming week
Adding to the distractions, more alerts from ez2view have drawn our attention to a series of Market Notices warning of forecast Minimum System Load (a.k.a. MSL) conditions for...
A quick look at ‘Dispatch Error’ on Thursday 6th November 2025, in conjunction with the Frequency Spike
Today, we have the advantage of ‘next day public’ data, so are able to peel some more layers of the onion (in this article 'Dispatch Error') - with...
24 GW in 24 months, a race against time for the NEM
Following his presentation at All-Energy in Melbourne last week, David Dixon reports on the state of the NEM's ambition to reach 82% renewables by 2030.
A quick look at some of the market dynamics around the NEM during this afternoon’s frequency episode
This afternoon we saw mainland frequency briefly step above its normal operating band for approximately 20 minutes — potentially the result of a data glitch. In this quick...
Specifics of the frequency excursion (well outside the NOFB) on Thursday 6th November 2025
In the first hasty article about today's (Thu 6th Nov 2025) frequency spike, we see it quickly went past the NOFB. So, in this article, we look at...
‘Market Demand’ in South Australia drops by 216MW (or 21%) on Thursday afternoon 6th November 2025
Worth recording this other ez2view ‘Notification’ widget alert received at 14:11 (NEM time) on Thursday 6th November 2025 to mark a large-size drop in ‘Market Demand’ in South...
Was that a data glitch that saw lunchtime ‘Market Demand’ ramp in Victoria by 1,812MW?
Given the large ramp in frequency around midday Thu 6th Nov 2025, coincident with a large apparent ramp in 'Market Demand' in Victoria, we suspect a data glitch.
Major spike in mainland frequency, on Thursday 6th November 2025
A short note with this snapshot from our live frequency reading over the past hour showing a spike well outside of the Normal Operating Frequency Band on Thursday...
AEMO released its first (redacted) ‘Thermal Audit’ Report on Wednesday 5th November 2025
On Wed 5th November 2025 the AEMO has released its first ‘Thermal Audit’ (redacted) Report, which provides 'a review of the flexibility and capability of the thermal generation...
Spot price volatility in South Australia on Wednesday evening 5th November 2025
A very short article with a snapshot from NEMwatch at 19:30 on Wednesday evening 5th November 2025 to mark some evening volatility.
The implications of the Solar Sharer Offer (SSO) and Default Market Offer (DMO) review outcome on energy sellers
In this guest-authored article, Connor James explains the upcoming changes to the DMO, including the much publicised Solar Sharer Offer (SSO), and potential implications for energy sellers in...
Volatility in FCAS (Regulation and Contingency) prices in Tasmania on Wednesday 5th November 2025
A quick record of some volatility today in Regulation (and Contingency) FCAS prices in Tasmania on Wednesday 5th November 2025.
Brief unplanned power outage in central-western Queensland, on Wednesday 5th November 2025
A short note to record the brief unplanned outage in the Powerlink network (on Wednesday 5th November 2025) that impacted customers in the Longreach, Blackall, Barcaldine and Clermont...
Dispatch, trading and bidding: Is that what a control room does?
Based on her presentation at All-Energy last week, Ellise Janetzki from Overwatch Energy shares some insights about asset control room requirements and operations.
What happens when energy is free (part 2)?
It’s approaching 10 years since (in April 2016) we asked the question ‘What happens when energy is free?’. Well, this morning (Tuesday 4th November 2025) Minister Chris Bowen...
Four observations from All-Energy 2025
Four reflections from All-Energy 2025 in Melbourne last week— where home batteries took the limelight, government-backed contracting showed some cracks, control-room pressures loomed large, and gas remained the...
Large under-performance across Solar Farms as the main driver of frequency wobbles on Thursday afternoon 30th October 2025?
With respect to the ~17:00 period on Thursday 30th October 2025 (and the frequency drop, possibly outside the NOFB), we take a look at the Dispatch Error of...
A second look at the frequency drop on Thursday evening 30th October 2025
We take a second look at the frequency drop that occurred at ~17:01 (NEM time) on Thursday 30th October 2025.