Some more information below. Note not much change between 2000 and 2003 for the electrical equipment indices.
Chemical Engineering Plant Cost Index (1957-59 = 100)
Composite CE Index (annual)
2000 394.1
2001 394.3
2002 395.6
2003 402.0
2004 444.2
2005 468.2
Electrical equipment index
2000 340.1 (December)
2002 341.3 (December, preliminary)
2003 341.2 (March)
Marshal & Swift Equipment Cost Index (1926 = 100)
M&S Index (annual)
2000 1089.0
2001 1093.9
2002 1104.2
2003 1123.6
2004 1178.5
2005 1244.5
Elecrical power industry
2000 996.3 (4th quarter)
2003 1003.2 (2nd quarter)