Part 2 – What’s running in Victoria today (apart from strong rooftop PV)?
A second article today on this challenging day for the Victorian grid, looking at which supply sources are running.
Eventful Days
Demand in Victoria drops to a new lowest point on Sunday 31st December 2023, and AEMO flags possible intervention (Part 1?)
First article today, recording a new 'lowest ever' point for demand in Victoria (Sun 31st Dec 2023), and possible intervention from AEMO has it looks to drop further, leading to possible grid instability.
AEMO forecast for LOR2 in NSW on Tuesday 19th December 2023
A short initial note about AEMO's currently forecast LOR2 for NSW next Tuesday 19th December 2023.
Belated notice from the AEMO about RERT contracted for yesterday (Thu 14th Dec 2023)
It's Friday morning and AEMO has just published a Market Notice to alert the market that RERT was contracted for yesterday evening in NSW (Thu 14th Dec 2023).
Disallowed flow north on VIC1-NSW1 another significant factor in tight supply-demand in NSW + QLD
A quick look at how restrictions in southern NSW meant that Victoria could not export to NSW through the afternoon ... hence contributing to the tight supply-demand situation.
Wind production ramps down in NSW, coincident with Increased Demand (and then Actual LOR2)
One factor contributing to the tight supply-demand balance is the decline in wind production (and capability) inverse to the rise in 'Market Demand'.
Actual LOR2 in NSW from 17:30 on Thursday 14th December 2023
'Market Demand' has ramped back up, leading to an 'Actual LOR2' low reserve condition in NSW on Thu 14th Dec 2023
NSW ‘Market Demand’ climbs past 13,000MW – and IRPM drops – but prices stay moderate
NSW 'Market Demand' exceeds 13,000MW for the first time today (Thu 14th Dec 2023)
NSW ‘Market Demand’ squeezes 12,500MW as price passes $500/MWh
Getting closer to the time of forecast peak in demand, the forecast LOR2 is revised downwards.
RERT negotiations underway in NSW … at the same time as the NSW spot price is negative and forecast spikes have disappeared
A strange coincidence with the AEMO 'intending to commence' negotiations about Reserve Trader for NSW - for this afternoon/evening.
RERT negotiations commenced in NSW by AEMO on Thursday 14th December 2023
A short post to note that the AEMO have published a market notice stating an intention to commence RERT negotiations in NSW.
NSW ‘Market Demand’ over 11,000MW – and forecast evening demand warming back towards 13,000MW
A quick update into Thursday afternoon with forecast for this evening, Thu 14th Dec 2023 in NSW
A quick look at forecasts for available wind generation in NSW for this evening 14th December 2023
A quick look at Semi-Scheduled Wind UIGF forecasts for this evening, where tight supply-demand is expected in NSW.
Demand forecast moderating for NSW for Thursday evening, 14th December 2023
A late morning update on forecast conditions for NSW this evening, Thu 14th Dec 2023
Forecast supply-demand for NSW for Thursday evening 14th December 2023 remains tight
An updated view of the forecast for a tight supply-demand balance for tomorrow (Thu 14th Dec 2023) in NSW.
AEMO requests generator recall information in NSW and QLD for this Thursday 14th December 2023
Two AEMO market notices late this morning suggest that NSW and QLD are in for tight supply-demand later this week, with an LOR2 condition currently forecast in the former.
NEM-wide ‘Market Demand’ peaks above 30,000MW on Friday 8th December 2023 … first time since July
The NEM-wide demand peaked (just!) above 30GW on Friday afternoon/evening 8th December 2023.
Case Study (Part 2) of Low % VRE NEM-wide on 3rd and 4th July 2023
The second part of an ongoing case study examining two successive days of low VRE generation in early July 2023. This part examines IRPM, earlier forecasts of available generation and maps the availability by...
Case Study – Severe Weather Challenges Day-Ahead Forecasts for 7, 8, 9 September 2023
A bout of severe weather for many parts of south-eastern Australia brought challenging weather conditions which appear to have impacted variable renewable energy forecasts for the NEM. The case study delves into forecast differences...
Rooftop Solar is crushing* the returns for Large-Scale VRE
Following the release of GenInsights Quarterly Updates for 2023 Q3 we've chosen to share here one of the clear challenges for large-scale VRE that is emerging (particularly in 2023 Q3) due to the rise...