Articles by Paul McArdle

One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.





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.







NEM-wide demand races past 31,500MW today

A record of the highest NEM-wide demand so far during summer 2012-13. A useful reference, for all of those who entered our “Best Demand Forecaster in the NEM” competition this time, and for those who sat on the sidelines.









How has Demand Diversity changed, over 15 summers?

Some analysis of the extent to which Demand Diversity (the degree to which peak demands in each region occur at different times) has changed in 15 years. If there are changes, it could be a factor at play in why peak demand has been changing.




Celebrate a summer Christmas with us–with your own new Beefmaster Premium 6 BBQ!

Here’s our regular, annual and popular call-to-calculators for all those who’ve drawn the short straw and have to work on through the Christmas -to- New Year this summer season. Turn the tables on those off enjoying some summer sun, or skiing way up north by getting your entry in – with a chance to be anointed “Best Demand Forecaster in the NEM” and celebrate with your own new BBQ (or some other new prizes).