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# Schedule Performance Index (SPI) in Project Management

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How to calculate and interpret SPI as it is used in earned value analysis in project management. Download additional slides, videos, and resources at https://www.christiansonjs.com/

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### Schedule Performance Index (SPI) in Project Management

1. 1. Scheduling Performance Index (SPI)
2. 2. SPI = EV PV Scheduling Performance Index (SPI)
3. 3. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule
4. 4. Scheduling Performance Index (CPI) Activity A: Total PV = \$24,000 SPI Today Activity A: PV BY TODAY= \$16,000
5. 5. Scheduling Performance Index (CPI) Activity A: Total PV = \$24,000 SPI Activity A: PV BY TODAY= \$16,000 Today
6. 6. Scheduling Performance Index (CPI) 50% Activity A: Total PV = \$24,000 (CPI)SPI Activity A: PV BY TODAY= \$16,000 Today
7. 7. Scheduling Performance Index (CPI) Activity A: Total PV = \$24,000 50% EV= \$24,000* 50% = \$12,000 SPI EV \$12,000 Activity A: PV BY TODAY= \$16,000 Today \$16,000
8. 8. Scheduling Performance Index SPI \$12,000 = = .75 0.75 \$16,000 0 0.5 1 1.5 2 2.5
9. 9. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 0.75
10. 10. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Project 0.75
11. 11. Scheduling Performance Index (CPI) Activity A: Total PV = \$24,000 SPI Today Activity A: PV BY TODAY= \$16,000
12. 12. Scheduling Performance Index (CPI) Activity A: Total PV = \$24,000 SPI Activity A: PV BY TODAY= \$16,000 Today
13. 13. Scheduling Performance Index (CPI) 83.33% Activity A: Total PV = \$24,000 (CPI)SPI Activity A: PV BY TODAY= \$16,000 Today
14. 14. Scheduling Performance Index (CPI) Activity A: Total PV = \$24,000 EV= \$24,000* 83.33% = ~\$20,000 SPI EV \$20,000 Activity A: PV BY TODAY= \$16,000 Today \$16,000 83.33%
15. 15. 0 0.5 1 1.5 2 2.5 1.25 Scheduling Performance Index SPI= = 1.25 \$16,000 \$20,000
16. 16. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 1.25
17. 17. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI 1.25 Project
18. 18. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule
19. 19. Be Careful When Using Money to Measure Time
20. 20. Be Careful When Using Money to Measure Time Activity A: Total PV = \$24,000 EV= \$24,000* 75.00% = ~\$18,000EV \$18,000 Activity A: PV BY TODAY= \$24,000 LF= Jan 4, 2020 Interpretation of SPI Today June 5, 2021 EV 75.00% SPI = \$24,000 \$18,000 = 0.75 <-18 Months Late->
21. 21. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 0.75
22. 22. Be Careful When Using Money to Measure Time Activity A: Total PV = \$24,000 EV= \$24,000* 100.00% = ~\$24,000EV \$24,000 Activity A: PV BY TODAY= \$24,000 LF= Jan 4, 2020 Interpretation of SPI Today June 5, 2021 EV 100.00% SPI = \$24,000 \$24,000 = 1.0 <-18 Months Late->
23. 23. TABLE 13.3 Interpretation of SPI 0 0.5 1 1.5 2 2.5 SPI CPI Ahead of ScheduleBehind Schedule On Schedule 1.00
24. 24. Indexes to Monitor Progress