"Queensland Power Prices Surge"
8th December 2007
Nigel Wilson (of The Australian) mentioned price and demand data provided to him by NEM-Watch in this article (Queensland Power Prices Surge) about the price rising to VOLL in Queensland, in a volatile start to the summer:

To read the article, please see either:
1) The news release online at The Australian; or
2) A PDF copy of the release.
Note that this price spike in December was actually one of the few instances where the prices spiked in Queensland over summer 2007-08, up until the high prices experienced on Friday 22nd and Saturday 23rd February 2008, as analysed in this article posted on our electricity market blog:
WattClarity.com.au