New all-time record for wind output, NEM-wide on Saturday 16th July 2022
Saturday evening saw a new all-time record for aggregate wind farm production across the NEM.
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.
Price volatility on Monday evening 11th July with ‘Market Demand’ near 31,000MW
A quick record of spot price volatility on Monday evening, 11th July 2022.
File creation times for P5MIN drop, prior to the end of the Market Suspension
Now that we're past Market Suspension, we take a look back and see file creation latency improve prior to the end of Market Suspension.
AEMC published update on Compensation Claims under APC
On 4th July the AEMC published their second 'Notice of Receipt of Claims' with respect to compensation under the Administered Pricing period in June 2022.
AER published ‘Semi-Scheduled Generator Compliance Bulletin and Checklist’
A short article about the AER's publication (on 1st July 2022) of some updated information to help Semi-Scheduled generators understand their obligations.
Morning volatility in South Australia on Friday 8th July 2022
A quick look at this morning's volatility in South Australia.
AEMO published (final of) High Level Design for IESS
On 7th July 2022 the AEMO published the final ‘High Level Design’ for the IESS implementation.
Reviewing price patterns in Q2 2022 … anatomy of an Energy Crisis
After many years in a row, we return (in the midst of the '2022 Energy Crisis') to review the pricing patterns in the NEM and the WEM for Q2 2022.
Alinta Energy submits Rule Change temporarily request to raise the Administered Price Cap (from $300/MWh to $600/MWh)
A short article about the rule change proposed by Alinta Energy to raise the APC ... quite topical given Q2 2022.
Significant (~1,300MW) drop in Available Generation in QLD on Tuesday morning 5th July
This morning we also saw a sizeable drop (just over 1,300MW) in Available Generation the QLD region ... which appears to have triggered an 'Actual LOR2' condition.
RERT may be triggered this evening – Tuesday 5th July 2022?
This morning (Tue 5th july 2022) AEMO announces it may see the need to trigger Reserve Trader this evening.
Actual LOR1 and $15,500/MWh in the QLD region on a cold/dreary Monday evening 4th July 2022
A quick article Monday evening about volatility in QLD.
Market volatility on Monday 27th June 2022
The price has been spiking on Monday evening 27th June 2022.
Two alternate theories of why capacity was withdrawn
Second (linked) article this evening, spelling out the two theories we're aware of with respect to why some participants might have withdrawn capacity from the NEMDE dispatch/pricing run in June 2022 - leading to...
Quick review of bids – looking back 16 days over APC and Market Suspension
With Market Suspension (just) behind us, in this weekend article we take a look over the past 16 days to see how volumes offered to the market from the two types of plant have...
Eighteen month trend of daily average spot prices highlights extreme volatility in Q2 2022
The unsuspension of the market is a useful time to reflect on 'how we got here' ... starting with this 18-month trend of daily average spot prices.
AEMO estimates RERT payments on Tue 14th, Wed 15th and Fri 17th June 2022
A brief synopsis of the costs AEMO estimates it paid for Reserve Trader in the recent period around Market Suspension.
Market Suspension to end at 14:00 on Friday 24th June 2022
First article for Friday 24th june 2022 with the market still in suspension.
Voltage disruption (apparently) stemming from Port Augusta Renewable Energy Park Thursday morning 23rd June 2022
A few quick notes about the voltage disturbance experienced in the early hours of the morning in South Australia on Thursday 23rd June 2022.
AEMO continue to watch for forecast LOR3 … e.g. MN99072 in preliminary forecast for Thu 30th June in SA
With Market Suspension possibly being lifted tomorrow morning, the flagging of forecast LOR3 in *very preliminary* ST PASA run for Thursday 30th June was of interest.