Some thoughts about why we've been seeing an increase in the number of authorised electricity retailers competing in the Australian National Electricity Market, from a new guest author - Connor James
Coincident with the release of the RET Review, activity in the spot market provides some reminders...
After spending a day looking into the future (at prospective generation developments) I noted this reverse correlation between wind and volatility that's been occurring over the week.
Some worked examples of how several forms of Demand Response (including the proposed new Demand Response Mechanism) might impact wholesale prices, and participant positions.
Some quick observations about the patterns of volatility seen this week in Queensland
Hot and sticky weather in QLD drives demand higher and provides an opportunity for spot price volatility
High temperatures and humidity on Monday 6th January deliver more price volatility, and high demand in Queensland.
High temperatures passing through NSW provided the opportunity for the Colongra gas-fired power station to shake off the cobwebs and have a run for the day.
A snapshot from NEM-Watch capturing the first volatility seen this summer
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.
A quick look at some more volatility experienced in the Queensland region on Wednesday 23rd October
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.
An updated animation of 20th December 2012 focused on the Queensland region - a volatile day for that region.
Here's another animated case study of one more interesting time that occurred through summer 2013 in Queensland - on this occasion the evening of Saturday 12th January 2013.
An animation of 90 minutes this morning where the price gyrated wildly in response to a trip at Yallourn, and numerous subsequent reactions by market participants and the AEMO.
Following from a period of elevated prices in South Australia, prices dropped on Thursday. Here's some reasons why...
Spot Prices in South Australia were elevated over the past 7 days - here are some reasons why.
Following yesterday’s warnings about the potential for a tight supply/demand balance in South Australia this week, it was not really a surprise when the SMS alerts from NEM-Watch began buzzing for the 07:20 dispatch...
Why are we investing significant time in completing this review of what was remarkable price volatility in QLD over summer? We're primarily a software company that develops shrink-wrapped products used by about 100 market...
A view of how NEM-wide demand trended over summer, with respect to our Best Demand Forecaster in the NEM competition.