The IPPSO FACTO Editorial published June 2009, partly in response to recent reductions in average wholesale power prices in Ontario. Please see the following hotlink:
https://magazine.appro.org/index.php?option=com_content&task=view&id=621&Itemid=44
The following subsequent article from fall 2009 provides additional background information:
https://magazine.appro.org/index.php?option=com_content&task=view&id=763&Itemid=44