AEMO issues LOR2 warning for South Australia for next Thursday, 31st May
Yesterday (Thu 24th May) AEMO issued a Low Reserve Condition notice (at LOR2 level) for South Australia next Thursday 31st May. We take a quick look….
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
An updated look at daily curtailment of aggregate wind farm output across South Australia
This morning over on Twitter, I was pulled into a discussion that had started with respect to volume of wind energy curtailed in South Australia: The genesis of this twitter conversation was the AEMO’s “Quarterly Energy Dynamics – Q1…
Helping our clients make sense of (and grasp the opportunities in) the AEMO’s new MT PASA data sets
A brief first look at AEMO’s new MT PASA data sets – as we push forward in the next upgrade of our ez2view software to help our clients understand the data, and the opportunities (and threats) that the data reveals.
The “Solar Correlation Penalty” has already arrived in the NEM
Already we are seeing the highly correlated output of solar PV deliver interesting challenges for the NEM – both to the project proponents themselves, and also to the “everything else” that supplies what’s left of the underlying demand from electricity from any source.
A timely reminder of the need for *much* more diversity in wind harvest patterns
Alerted by our NEMwatch dashboard, I delve into the data and see a scary degree of correlation between the (very low) output of wind farms in south-east South Australia, and (similarly low) output from newer wind farms in northern NSW.
Network outage, and low wind, combine to drive spot price volatility in the SA region on Thursday 26th April
An unexpected network outage in the south-east of South Australia restricts supplies from Victoria at a time of low wind supply in South Australia and results in the dispatch price spiking to $14,200/MWh from 11:30 and oscillating for the afternoon
When the NEM’s Largest Generating Unit Trips …
A follow-on to my earlier article of a couple weeks ago, looking at another instance where a team effort was required to counter a drop in system frequency following the loss of generation at a large power station (this time the single unit Kogan Creek power station – the largest single unit in the NEM).
Renewable energy – did it just laze about over summer?
A review of the high demand periods over summer 2017/18 highlights the important contribution renewable generation is making to meeting peak demand and addressing the reliability of the power system.
FCAS in Action – What Happens When a Generator Trips? (or Never let the data get in the way of a good story)
Understanding the FCAS response by all generators when a unit trips in the NEM. A detailed look at the Loy Yang A unit trip in December 2017 and the contribution of the Hornsdale Power Reserve.
Third peak Scheduled Demand in Queensland in 3 days – 9,924 MW at 16:50 Wednesday 14th February
A new peak Scheduled Demand and Operational Demand in Queensland today with Scheduled Demand still over 9,100 MW after 8 PM.
Queensland region sees a new record peak Scheduled Demand – at 18:50 on Monday 12th February
Queensland experienced a new record for Scheduled Demand for electricity today – but what’s particular staggering is how late in the day it happened!
Available Generation reduction across Loy yang A and Loy Yang B over Sunday evening was only 420MW
A brief look at the numbers with the temporary coal supply issue affecting Loy Yang A and Loy Yang B overnight
High electricity demand forecast for Queensland – on Monday, Tuesday and Wednesday next week
Looks like being an interesting day on Wednesday next week (14th February 2018) with high temperatures currently forecast for parts of both QLD and NSW
Victorian demand rises above 9,000MW – which (in combination with other factors) leads to a volatile day in the southern regions
On a day when high temperatures drove demand in Victoria above 9,000MW (and NEM-wide demand above 30,000MW) we saw some price volatility – with prices in VIC and SA up around $14,000/MWh
Queensland’s Scheduled Demand for electricity topped 9,000MW today (Wed 31st Jan) for the first time in summer 2017-18
Electricity demand in Queensland today reached 9072MW in the 16:40 dispatch interval, passing 9,000MW for the first time this summer.
Sunday 28th January sees Victorian electricity demand (Scheduled, and Operational) above 9,000MW
Yesterday (Sunday 28th January) saw electricity demand (both Scheduled and Operational) above 9,000MW in the heat. Others have noted this was the highest-ever non-working day demand in Victoria, but I have not delved in detail.
If I were going to perform an objective review of what happened last Thursday 18th and Friday 19th, here’s a couple things I would look into…
A starting list of all the factors I would like to delve into, in order to perform an objective review of what happened last Thursday and Friday in Victoria and South Australia
Some perspectives on events last Thursday and Friday
Some observations about the events across Victoria and South Australia of Thursday 18th and Friday 19th January 2018.
AEMO dispatches Reserve Trader into a boiling Victorian region on Friday 19th January 2018
Reserve Trader dispatched
AEMO announces intention to (possibly) intervene in Victoria for Friday 19th January (by invoking Reserve Trader)
AEMO announces the possibility of dispatching “Reserve Trader” tomorrow to address a forecast tight supply/demand balance.