1. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Data Visualization Using Microsoft Excel Audit Technology Group Mar 22 th, 2013

2. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Just to Reiterate the Obvious Excel is a very powerful application. Like a Swiss Army Knife for auditors interested in data analytics Or, as the old Army recruiting slogan goes – “Be All You Can Be!” Very few people, however, knows Excel well enough to harvest all its power. -2-

3. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Move Beyond Basic Graph Basic charts in Excel are rather straightforward: But to make interesting-looking graphs, you need to beyond the most basic type of graphs: – Pie chart – Line Chart – Column/Bar chart – Etc. -3-

4. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Intermediate and Advanced Graphs in Excel Stacked Column Chart Charting numbers of different scales on two axes Use Area Chart as background Graphing simple Regression Charting data on Maps Using Scatter Chart to show Relationships Superimpose one chart on top of another Bubble Chart -4-

5. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Stacked Column Chart -5-

6. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Overlapping on Two Axes -6-

7. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Use Area Chart as Background -7-

8. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Using Area Chart as Background - Sorted -8-

9. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Simple Regression -9-

10. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Adding Upper- & Lowerbound -10-

11. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Excel Scatter Plot Graph - Poor Man’s Geographic Information System (GIS) -11-

12. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Location, Location, Location… -12-

13. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Create US Map using Bubble Chart -13-

14. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Charting with State Lines -14-

15. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Graphing Relationships -15-

16. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Use Line and Column Charts Together -16-

17. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Using Line Charts to Show Trends -17-

18. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Bubble Chart -18-

19. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Excel Heat Map Quick & Easy -19-

20. SOUTHERN CALIFORNIA EDISON® Leading the Way in Electricity Audit Services & Audit Technology Group Q&A Question? Comments? -20-