1. Load Forecast and Base Case Development

2. Load Forecast and Base Case Development
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3. Load Forecast and Base Case Development

4. Load Forecast and Base Case Development

5. Load Forecast and Base Case Development

6. Substation Transformer Loading (STL) Program
Load Forecast and Base Case Development
Substation Transformer Loading (STL) Program
Data repository
Monthly actual peaks/energy
Load projections
Growth rates

7. Populating the database
Load Forecast and Base Case Development
Populating the database
STL
Non-coincident values
Forecast data
“Fitting” the load
Conforming vs. Non-conforming
‘Scrunch’ factor

8. Load level assumptions (e.g., System load)
Load Forecast and Base Case Development
Load level assumptions (e.g., System load)
(SUM / WIN)
Historical
1-in-2 (2018 = 1696 / 1658 MW)
Proposed
1-in-10 (2018 = 1731 / 1695 MW)
Scenarios:
1-in-20 (2018 = 1742 / 1706 MW)
1-in-50 (2018 = 1752 / 1718 MW)