Below is an archive of Integrated Resource Plan documents. Most documents (years) are comprised of two sections: Main Document and Appendices. Questions about these Plans may be directed to Clint Kalich, Avista's Manager of Resource Planning and Power Supply Analyses.

2005

•   2005 IRP Document (3.7 MB)
•   2005 IRP Appendices 1(5.5 MB)
•   2005 IRP Appendices 2 (2.9 MB)

2003

2001

•   2001 IRP Document.pdf (7.2 MB)

1997

•   1997 IRP Document.pdf (1.8 MB)
•   1997 IRP Appendices.pdf (7.3 MB)

1995

•   1995 IRP Document.pdf (2.3 MB)
•   1995 IRP Appendices.pdf (10 MB)

1993

•   1993 IRP Document.pdf (5.9 MB)
•   1993 IRP Appendices.pdf (8.4 MB)

1991

•   1991 IRP Document.pdf (9.4 MB)

1989

•   1989 IRP Document.pdf (5.7 MB)