Morning price spikes in SA with no wind or coal
Augurs to be an interesting day in South Australia today, with two (now three) price spikes already this morning – due in part to no supplies from coal, or from wind.
Vertical Integration in New South Wales – two years on
It is now over two years ago that NSW sold its retail load and the dispatch rights to most of its generation. This blog post looks at what has happened to the market in the two years since the sale.
Retail Electricity Prices
Historically most of our posts have been based on observations about the wholesale market. More recently we have also begun to have a look at retail prices, more directly. Here’s some articles on the topic.
A brief history of the tariff prices in Queensland
As the QCA happens to be releasing the notified tariff prices later this month, I thought it opportune to write about how prices are set with a particular focus on the price of wholesale energy.
What’s caused the drop in brown coal production?
Prompted by a reader’s question, we provide some further analysis into which brown coal plants have been declining output in recent times, and why this might be the case.
Price spikes in SA at 23:35 with the switch-in of off-peak hot water
A price spike late at night in South Australia, not long after posting other comments about low surplus generation capacity.
SA prices rise as Surplus Capacity drops to levels not seen since 2004
Spot prices in South Australia have been seen to be higher in the month of April than in the prior months, which is somewhat counter-intuitive. Prices also spiked this evening on a number of occasions above $500/MWh – here’s some of the reasons why.
Animated illustration of Queensland Region volatility on 20th December 2012
Here’s an animated view of how price volatility emerged in the Queensland region of the National Electricity Market emerged on 20th December 2012 – and the range of factors that contributed.
Macarthur Wind Farm opened today – but the wind did not show up for the opening
The Macarthur Wind Farm opening was officially opened today, but the wind did not make an appearance.
Highest electricity demand for Victoria in four years last Tuesday (12th March) – and 400MW of DSR operates
Following some tweets from the esaa mentioning how the demand in Victoria on Tuesday 12th March was the highest seen for four years, we had a look back through our records on the day.
… and so the winners are…
Recapping who’s won the Beefmaster Premium BBQ (and 5 other prizes as well) as the “Best Demand Forecasters in the NEM” for summer 2012-13
Recapping NEM-wide demand for summer 2012-13
A view of how NEM-wide demand trended over summer, with respect to our Best Demand Forecaster in the NEM competition.
Do you know of someone who could be our Energy Market Analyst (initially short-term contract)?
WattClarity is one way we strive to help people make better decisions – by making the energy market clearer, and more understandable.
Do you know of someone who can help us to expand the scope of what we do in this space? Here’s details of the person we’re looking for…
Long-term trend shows coal being crunched
A chart and a table presented today at FutureGAS highlighting how the dominance of coal in power generation across the NEM is starting to shift.
Autumn 2013 in the NEM
After an eventful summer 2012-13 in the NEM, where we saw a heatwave early in the season lead into flooding rains (again) – and a new “Best Demand Forecaster” crowned, we progressed into what would normally be the less eventful…
Millmerran station trip drives prices sky high
At 23:05 on Saturday 9th March AEMO advised that the Millmerran power station units 1 and 2 tripped simultaneously at 22:07 (58 minutes prior) – for reasons still unknown.
Here’s how we saw it unfold at real time.
A late burst to summer in the south drives demand higher
Some high temperatures in Victoria and South Australia drive demand higher and, because of transmission constraints, the IRPM in the Economic Island lower.
Temperatures drive demand, and volatility, in Victoria and South Australia Monday 18th February
The price spiked yesterday (Monday 18th February) in South Australia and Victoria – here’s an overview of what happened.
Sorted entries, in our annual “Best Demand Forecaster” competition for 2012-13
A clear view of who are the bears, and who are the bulls, in terms of where they have forecasted the peak demand for summer 2012-13 will finally land.
Scorching Sydney drives demand today into the red zone
A record of the extreme temperatures across NSW today, driving demand in NSW up towards the all-time electricity demand record set 23 months ago.