Articles by Paul McArdle

Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients. Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.



A review of recent winters in the NEM

For those who weren't aware, Winter 2009 has seen us offer our "Who's the Best Demand Forecaster in the NEM" challenge - as a chance for the market to redeem itself, following what happened...


Prices Surge in QLD and NSW as Demand Climbs

We noted yesterday (Wednesday 10th June) that NEM-wide demand climbed past 32,000MW for the first time this winter. The following evening saw demand climb to similar levels (a peak of 32,054MW at 18:20 -...








Earth Hour

“Earth Hour” was a concept developed by the WWF to promote awareness of the risks of climate change. It first ran just in Sydney in 2007, and generated considerable interest, on both sides of...






And the winner for summer 08-09 is…

We noted yesterday, in the midst of the excitement, that the previous NEM-wide demand record had been beaten, by virtue of the heatwave assaulting VIC and SA over the day. We spoke too soon,...



New record summer demand!

We watched with interest today as demand crept up in all mainland regions to the point where the NEM-Wide demand rose slightly above 33,000MW for the first time ever, during a summer period.


SA nears the Cumulative Price Threshold

On 19th January, high prices were sustained in SA for several hours, bringing the Cumulative Price within a whisker of the $150,000 threshold, at which prices would be capped.


Summer 2008-09 to date

Given that the holidays are now over (for most of us) and we're returning back to "normal" life, we thought it would be a good time to provide a brief overview of what's happened...