guest author



More on those negative prices – how do contracts affect bidding behaviour?

Guest author Allan O’Neil provides this handy explainer on how generators’ contract positions affect their bidding decisions and can make negative spot prices pay off, at least in the short term. Very useful for those readers not actively involved in wholesale trading in helping to understand why some conspiracy theories might not match reality.


Who’s responsible for those negative prices?

Rapidly growing solar PV output has been widely tagged as the cause of low and even negative prices in Queensland. But in any market it’s the behaviour of ALL participants that determines price outcomes. Guest author Allan O’Neil takes a closer look at recent NEM bidding.


ESOO Unboxing

Without resiling from last week’s criticism of how the headlines from AEMO’s 2019 Electricity Statement of Opportunities (ESOO) were communicated, it’d be churlish for me to fault the depth of…



War of Losses

Some thoughts from Derek Chapman, from Adani Renewables, in conjunction with two rule change requests at the AEMC relating to Marginal Loss Factors.









How To Reduce Electricity Costs – Part 3

In our guest author’s third article, Michael Williams comments on the growing trend for corporate energy buyers to contract directly with certain wind and/or solar plant for renewable energy supply over a longer-term time period. Mike shares some insights that could be of value to you, if you are involved in this areas.


Retail Energy, not so easy

It is curious that despite of the findings of the recent ACCC enquiries and the on-going regulatory uncertainty (at both a state and federal level), anyone would be willing to…