Hot weather arrives in South Australia, but demand does not awaken
High temperatures arrived in South Australia today from further west – here’s how it affected the NEM
Summer 2013-14 in the NEM
A collection of articles, as we post them, covering what we observe (and have time to post about) as this summer progresses
The first working day of summer sees volatility return in Victoria and South Australia
A snapshot from NEM-Watch capturing the first volatility seen this summer
We are on track to meet the STC target so why hasn’t the Clearing House worked?
Some observations about where the market for STCs seems headed, following my presentation at All Energy earlier in October.
Electric Vehicles–some back of the envelope calculations
Some back-of-the-envelope calculations about what electric vehicles might mean for the National Electricity Market, following on from my presentation at the EUAA Annual Conference
Is solar PV providing more opportunity for spot price engineering?
Some initial analysis looking into the question of whether the increased penetration of solar PV is increasing the variability of scheduled demand to the point that generators can exert more pressure on spot prices.
Price volatility returns to the Queensland region
A quick look at some more volatility experienced in the Queensland region on Wednesday 23rd October
Two evening price spikes send jitters …
The dispatch price in Queensland spiked to $1,500/MWh at 18:25 and again at 22:40 yesterday evening – triggering jitters in some who fear a return to the volatility of summer 2013.
Is Mortlake bucking the trend?
A quick look at the long-run trend in output at Origin Energy’s large Mortlake plant in western Victoria.
CORRECTION – Tamar Valley is not mothballed, just bid unavailable
A correction about Tamar Valley’s drop in production – and some further thoughts.
Another station down – to what extent due to local factors?
Despite consistently averaging monthly output of up to 200MW for a number of years, the Tamar Valley power station has been mothballed following an ownership change
Updated animation of 20th December 2012 – a volatile day in the Queensland Region
An updated animation of 20th December 2012 focused on the Queensland region – a volatile day for that region.
Sydney swelters on Thursday, but demand remains in the doldrums
Despite some high temperatures around Sydney today, electricity demand remained subdued.
Spring 2013 in the NEM
A collection of articles posted about what we see happening in the NEM through spring 2013
Has declining demand claimed its next victim?
Some recent changes in the MT PASA forward view of available generation capacities in NSW seem to imply that the declining demand might have taken another victim.
The changing role of gas in the NEM
A few thoughts from another guest commentator (Paul Taliangis @ Core Energy) about where gas-fired generation volumes look set to go.
The NEM might support 37% energy supplied from wind – but it would still require at least 21GW of non-wind capacity on standby
A hypothetical case of what production patterns from wind might look like through a year with increased installed capacity of wind farms.
Aggregate wind farm output growing, but intermittency still remains
A more detailed look at how the percentage of energy supplied in the NEM from wind has risen to be 3.5% on an annual basis – though the degree of indeterminacy continues to be significant despite the growing diversification of wind farm sites.
Who was the winner of our competition for LinkingIn to WattClarity?
Rather than just drawing a lucky winner out of a hat, or using a random number generator, someone suggested we take a different approach – and here are the results.
Performance of wind farms, to date in 2013
Here’s a view of how daily wind farm production (by region, and NEM-wide) has trended over the 2013 calendar year to date – the correlation of output on a daily basis, and the contribution towards regional and NEM-wide demand