A Comparison of Large-Scale Solar Farm Revenue in 2020
Which solar farms performed best in 2020? Marcelle compares spot revenue performance across the NEM.
semi-scheduled generation
AEMC publishes Rule Determination on Semi-Scheduled Generators
This morning the AEMC has published its final rule focused on clarifying how Semi-Scheduled generators should follow dispatch targets - including in dispatch intervals where prices are negative, and some had been unexpectedly switching...
AEMO publishes Handbook for Wind and Solar Generators
As promised in the Intermittent Generation Forum late in 2020, the AEMO has released an important Handbook for operators of Semi-Scheduled (wind and solar) assets.
Increasing the transparency and correctness of intermittent generation availability information to AEMO
Following up to AEMO's recent Intermittent Generator forum, Marcelle looks at the challenges for wind and solar farms in providing consistently good plant availability information to AEMO and the value of transparency of this...
PPAs aren’t as easy as they used to be!
This is the fourth of a short series of video snippets extracted from the 17th September 2020 presentation by Marcelle Gannon and Jonathon Dyson for the Clean Energy Council entitled ‘Maximising Profitability in the...
How does a wind or solar farm make money?
This is the third of a short series of video snippets extracted from the 17th September 2020 presentation by Marcelle Gannon and Jonathon Dyson for the Clean Energy Council entitled ‘Maximising Profitability in the...
Constraint Case Study Followup – Early outcomes of the new “X5 constraint”
On 25th November, guest author Allan O'Neil examined the 'X5 Constraint'. Two weeks of operation have passed, so now Allan reviews some of what's happened.
Conformance and compliance–what’s the difference?
This is the second of a short series of video snippets extracted from the 17th September 2020 presentation by Marcelle Gannon and Jonathon Dyson for the Clean Energy Council entitled ‘Maximising Profitability in the...
Do you know your obligations as a Semi-Scheduled Generator?
This is the first of a short series of video snippets extracted from the 17th September 2020 presentation by Marcelle Gannon and Jonathon Dyson for the Clean Energy Council entitled 'Maximising Profitability in the...
AEMC publishes draft rule change for Semi-Scheduled generators
Today (Thu 19th Nov 2020) the AEMC published a draft ruling following the AER request for a rule change relating to Semi-Scheduled generators ... which itself followed from two COAG Energy Council requests to...
AEMC proceeds to fast-track consideration of the AER’s semi-scheduled generator dispatch obligations rule change
A brief note to inform readers that the AEMC is fast-tracking consideration of the AER's Proposed Rule Change on Semi-Scheduled assets ... but also to reinforce our view that the challenge is MUCH broader...
Case Study of 16:55 on Monday 8th April 2019 (aggregate Raw Off-Target +318MW for Semi-Scheduled units)
This 20th Case Study (the other side of the weekend to the 19th Case Study) in the series investigates one dispatch interval showing extreme Aggregate Under-Performance across all Semi-Scheduled units on Monday 8th April...
AER releases proposed rule change for Semi-Scheduled generators and dispatch instructions
Following the consultation process conducted by the AER (stemming from their Issues Paper 3 months ago) the AER has today submitted a rule change request to the AEMC relating to Semi-Scheduled generation.
Case Study of 17:05 on Friday 5th April 2019 (aggregate Raw Off-Target +346MW for Semi-Scheduled units)
This 19th Case Study in the series investigates one dispatch interval showing extreme Aggregate Under-Performance across all Semi-Scheduled units on Friday 5th April 2019.
Case Study of two DIs on Monday 25th March 2019 (large collective under-performance across Semi-Scheduled units)
This 18th Case Study in the series investigates two separate dispatch intervals showing extreme collective under-performance across all Semi-Scheduled units on Monday 25th March 2019.
Case Study of 12:20 on Wednesday 6th March 2019 (aggregate Raw Off-Target +329MW for Semi-Scheduled units)
A quick look at this dispatch interval - as the 17th Case Study in the series looking at extreme results for Aggregate Raw Off-Target for all Semi-Scheduled DUIDs.
Comparing spot revenue performance across wind farms
In a sneak preview of part of next Thursday's Clean Energy Council webinar, Marcelle compares the spot revenue performance of wind farms across the NEM.
Case Study of 15:40 on Monday 4th February 2019 (aggregate Raw Off-Target +308MW for Semi-Scheduled units)
This 16th Case Study in a series covers the first 'extreme event' into 2019 where there was an aggregate under-performance (compared to Target) across all Semi-Scheduled plant totaling greater than 300MW.
Diving deeper (part 2), about low demands on Saturday 29th August 2020
Prompted, in part, by yesterday's record low for Victorian demand, today I have finished off my earlier review of what happened on Saturday 29th August (8 days earlier) when demand levels also dropped in...
Exploring deeper (part 1), about minimum demand on Saturday 29th August 2020
Out of curiosity, and driven by questions received from several people, I've invested a bit of time today to delve further into the record low level of Scheduled Demand seen in the Victorian region...