| Date | Proceedings and Orders |
|
| 12/18/2007 | | Application (07A532) to extend the time to file a petition for a writ of certiorari from January 3, 2008 to March 3, 2008, submitted to Justice Kennedy. |
| 12/27/2007 | | Application (07A532) granted by Justice Kennedy extending the time to file until February 3, 2008. |
| 2/1/2008 | | Petition for a writ of certiorari filed. (Response due March 6, 2008) |
| 2/1/2008 | | 3 volumes of Appendices to petition for writ of certiorari of Portland General Electric Company, et al. filed. |
| 2/11/2008 | | Waiver of right of respondents Pacific Northwest Generating Cooperative, et al. to respond filed. |
| 2/13/2008 | | Waiver of right of respondents Confederated Tribes and Bands of the Yakima Nation to respond filed. |
| 2/15/2008 | | Brief in support of petitioners by Intervenor Public Utility Commission of Oregon filed. |
| 2/20/2008 | | Waiver of right of respondent Canby Utility Board to respond filed. |
| 2/25/2008 | | Brief in support of petitioners by ("IOU") respondents PacifiCorp, Idaho Power Co., and NorthWestern Energy filed. |
| 2/27/2008 | | Order extending time to file response to petition to and including April 7, 2008, for all respondents. |
| 3/4/2008 | | Waiver of right of respondent Public Utility District No. 1 of Grays Harbor County, WA to respond filed. |
| 3/13/2008 | | Waiver of right of respondent City of Tacoma, Department of Public Utilities to respond filed. |
| 3/27/2008 | | Order further extending time to file response to petition to and including May 7, 2008, for all respondents. |
| 5/7/2008 | | Brief of Federal Respondents in opposition filed. |
| 5/7/2008 | | Brief of respondents Western Public Agencies Group, et al. in opposition filed. |
| 5/15/2008 | | Reply of petitioners Portland General Electric Company, et al. filed. |
| 5/20/2008 | | DISTRIBUTED for Conference of June 5, 2008. |
| 6/9/2008 | | Petition DENIED. |
