Where RR indicates retail revenue requirement and the numerical subscript indicates the year of the period. Example calculation of annual threshold amount:
Year | Retail Revenue Requirement | Annual Amount from Revenue Increase Equal to 2% of Prior Year Revenue Requirement | Number of Years in Effect | Threshold Amount over Four Years | Sum of Threshold Amounts | Annual Threshold Amount |
0 | $100 | |||||
1 | $105 | $2.00 | 4 | $8.00 | $21.00 | $5.30 |
2 | $110 | $2.10 | 3 | $6.30 | ||
3 | $115 | $2.20 | 2 | $4.40 | ||
4 | $120 | $2.30 | 1 | $2.30 | ||
Annual Threshold Amount as a Percentage of Average Retail Revenue Requirement | 4.7% |
Wash. Admin. Code § 194-40-230