PJM confidentiality rules set limits on what information may be shared with stakeholders and the public. These rules, contained in the Operating Agreement and PJM Manual 33, combined with historical practice, have defined the boundaries regarding what data may be shared. In some cases, these rules prohibit the sharing of data that would provide a transparency benefit and confidence to the market when it is not truly commercially sensitive and would not pose a risk of competitive harm to the market if released. The current rules have also restricted PJM from providing information that could have been helpful to stakeholders in understanding unusual system events such as the hot weather events of September 2013 and the winter weather events of 2014. The current rules have provided useful general guidance, but PJM believes that greater specificity and certain defined exceptions would provide benefit to all stakeholders in understanding system conditions and market outcomes.