Reviewing 270 days of bidding at Tallawarra B … following news of delays
Following Colin Packham's article in the Australian, we take a look in the market data at EnergyAustralia's Tallawarra B
Need for Firming Capacity
A collection of articles being published on WattClarity over time that analyse and comment on the ongoing (but changing) requirement in the need for firming capacity.
A number of these articles feature analysis of the metric ‘Aggregate Scheduled Target’.
How predictable is the wind (a short Case Study of Thursday evening 30th May 2024)?
An (initial and) short review of the solid block of high aggregate wind yield over the ~3 day date range (late Tuesday 28th May 2024 to late Friday 31st May 2024) ... and how...
‘Another challenging week’ for VRE NEM-wide, beginning Wednesday 8th May 2024
Coincidentally today, David Osmond has posted about 'another challenging week' for VRE NEM-wide (a week beginning Wed 8th May 2024 - the day NSW hit the Cumulative Price Threshold).
The Grattan report ‘Keeping the lights on’ is worth a read
Enroute to Melbourne today for the EUAA National Conference starting tomorrow, I grabbed some flight time to have a quick read through the Grattan Institute’s latest offering – a 45-page report appropriately titled ‘Keeping...
Simshauser/Gilmore Working Paper speaks to challenges for gas-fired firming
A short article this morning to note about a Working Paper from CAEEPR that touches on important (and not well understood?) aspects of this energy transition, as it relates to Firming Capacity requirements.
A precis of the ‘Exploring Wind Diversity’ analysis completed in Appendix 27 of GenInsights21
Almost 2.5 years since we released GenInsights21, today we're publishing this article that contains a precis of the analysis included as Appendix 27 under the title 'Exploring Wind Diversity'.
Three recent news media articles about the replacement of (and/or short term delay to closure of) Eraring Power Station
Worth noting these three recent news articles from the past 8 days, all pertaining to the slated closure of the Eraring Power Station as early as 19th August 2025 (under 18 months away), but...
Case Study of Sunday 12th November 2023 (lowest point for Aggregate Scheduled Target in 2023)
A 2nd short article falling out of GenInsights Quarterly Updates for 2023 Q4. This one looks at Sunday 12th November 2023 and shows the lowest point in 2023 for NEM-wide Aggregate Scheduled Target (and...
Case Study of Friday 8th Dec 2023 (big gyrations in Aggregate Scheduled Target)
A short article looking at Friday 8th December 2023 looking at NEM-wide Aggregate Scheduled Target on the day.
A look into minimum generation levels at various coal plants, using the GSD2023
Nick Bartels from Greenview Strategic Consulting uses the GSD2023 to examine minimum and maximum generation levels at various coal and gas plants in the market.
First output at Tallawarra B
A brief record, using ez2view, of the very early output data for EnergyAustralia's Tallawarra B station.
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...
Case Study (part 1) of Aggregate Scheduled Target on Friday 8th September 2023
The first part of a Case Study looking at a large 5-minute ramp in 'Aggregate Scheduled Target' in the middle of the day (an unusual time) on Friday 8th September 2023
Media Release = ‘Capacity Investment Scheme supports NSW to deliver 1 GW of cleaner, cheaper, more reliable energy’
The Media Release from the NSW Department of Energy on 22nd November 2023 noting 1,075MW of new firming capacity in NSW - targeting operational date of December 2025.
Demand Response as Market Participant: Square Peg in Round Hole?
A year ago we reviewed the market outcomes of wholesale demand response (WDR) in the NEM. It’s been 2 years now, providing a new milestone from which to review participation and impact. Can we...
An ESOO snippet – how effective are different technologies at enhancing reliability?
In his second article about the 2023 ESOO, guest author Allan O'Neil takes a look at what the AEMO has published with respect to various options for firming capacity to increase the reliability of...
Case Study of high AggSchedTarget on Thu 30th Jan 2020 and Fri 31st Jan 2020 (part 1!)
In this article we delve in deeper on Thu 30th Jan and Fri 31st Jan 2020 ... two days that saw extreme levels of 'Aggregate Scheduled Target' (i.e. AggSchedTarget - a requirement for firming...
Discussion Paper released on Capacity Investment Scheme
On Friday last week (4th August 2023) the proposed design of the 'Capacity Investment Scheme' was published ... with submissions requested before Thursday 31st August 2023.
Digging further into ‘Aggregate Scheduled Target’, to understand what Dispatchable Capacity is actually required
In conjunction with the analysis done to complete GenInsights Quarterly Update for Q1 2023 (released today), here's 14 years of daily data of 'Aggregate Scheduled Target' that might help to illustrate the aggregate requirement...
We’re not building enough replacement dispatchable capacity
With completion of GenInsights Quarterly Update for Q1 2023 approaching, and following some conversations recently (and probably this week at EUAA Conference) here are two charts looking backwards just at fully dispatchable plant that...