Changed (lower) output profile for Kogan Creek from early July 2024
A question from a WattClarity reader prompts this quick article about reduced output at Kogan Creek, and some questions about why.
Articles by Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
Tamar Valley CCGT switches off on Tue 23rd July (after running for almost 7 weeks straight)
A quick record of Tamar Valley CCGT coming offline yesterday (Tue 23rd July 2024) after 40 days of solid operations through a low-rain and low-wind winter in Tasmania.
Has the ‘wind drought’ that plagued 2024 Q2 ended?
A quick look (on Sunday 17th July 2024) at recent NEM-wide wind production patterns into 2024 Q3.
Two news updates from CS Energy on Wed 17th July 2024 … the (final) Brady Report (about Callide C4), and the Hartz EPM Report (on the Cooling Towers)
On Wednesday 17th July 2024, CS Energy released the Brady-Heywood report (about Callide C4 failure on 25th May 2021) and the HartzEPM Report (about CallideC3 failure on 31st Oct 2022) ... and an Action...
First operations of any BDU (Wandoan BESS) on Tuesday 16th July 2024
It's day 1 of the CEC's Clean Energy Summit ... perhaps a fitting day to see first operations of a (single unit) bi-directional unit?!
One more delay to Return-to-Service for Callide C4 … another 40 days added to the outage
In the last MT PASA DUID Availability data update for Friday 12th July 2024 the return to service expectation for the repaired Callide C4 unit has been delayed again another 40 days ... now...
Forecast evening IRPM next week healthy … despite ‘ferocious Tasman Low’
A quick look at forecast 'Market Demand' and NEM-wide IRPM for next week ... with Ben Domensino writing about a 'Ferocious Tasman Low to hit southeast Australia next week'
Tamar Valley CCGT clocks over 5 weeks of almost continuous operation at full load in Winter 2024 … but hydro storages still not great
Five weeks on from the re-start of production at Tamar Valley CCGT, it's still running (and water storage levels in TAS are still low).
Final figures for wind production through 2024 Q2
We've ticked over the end of 2024 Q2, so here's a short note to recap the long-range wind production statistics.
AEMO directs load shedding (following unplanned network outages) in NSW on Monday evening 8th July 2024
A short (perhaps initial) record of load shedding instructed for NSW on Monday evening 8th July 2024.
A similar trended view of the aggregate production from Coal-Fired Generation across the NEM through 2024 Q2
Taking the ‘worm line’ cumulative trend recent Q2 periods (used for wind, hydro and gas-fired power), we now apply this to coal-fired generation during 2024 Q2.
A similar trended view of the aggregate production from Gas-Fired Generation across the NEM through 2024 Q2
Taking the ‘worm line’ cumulative trend recent Q2 periods (used for wind and then hydro), we now apply this to gas-fired generation during 2024 Q2. We see two distinctly different patterns ... early in...
CS Energy releases most recent draft of the ‘Brady Report’
CS Energy has released the latest draft of the ‘Brady Report’ - a draft Executive Summary, a draft Part A (Technical) and a draft Part B (Organisational)
Solar Farms in south-western NSW constrained to 0MW on Monday 24th June 2024
A quick look at the ‘N-DPWG_63_X5’ constraint set as a driver for the curtailment of solar (and other) units in south-western NSW on Monday 24th June 2024.
A similar trended view of the aggregate production from Hydro Discharge across the NEM through 2024 Q2
Taking the ‘worm line’ cumulative trend recent Q2 periods (first used for wind), we now apply this to hydro during 2024 Q2 to see to what extent hydro production volumes are lower than recent...
Where’s the wind gone, through 2024 Q2? … with June perhaps even worse than April or May!
Extending the 'worm line' cumulative trend of wind production through 2024 Q2 (to 22nd June) and comparing to 2023, 2022, 2021 and 2020 reveals a picture that is, at the same time, both frightening...
Forecast for a moderate burst of wind to round out the month or June 2024
A short article looking forward to AEMO's forecast NEM-wide wind capability for the remainder of June 2024.
Trended bids (and production) from gas-fired generation over the past 90 days
A short article looking back 90 days at production volumes, and bid prices, from gas-fired generation.
Kogan Creek back online, late Friday 21st June 2024
Worth noting that on Friday evening 21st June 2024 Kogan Creek came back online, ~36 hours after it had come offline.
Tarong unit 3 comes offline late Friday afternoon 21st June 2024 – appears not planned in advance
Tarong unit 3 came offline late Friday afternoon 21st June 2024 ... we take a quick first look