Announcements
October 07, 2026: ANNOUNCEMENT: Estimated MW-Measure and Seasonal Factors and Reminder of Auction Parameters
In accordance with Section II.1.6 of the CBP Rules, we provide below the following for the November 2026 Auction:
- seasonal factors; and
- MW-measure of each tranche.
We confirm that the seasonal factors announced during the Bidder Information Session on September 9, 2026 are unchanged. The seasonal factors are: 1.000 for summer (June to September) and 1.000 for non-summer (October to May).
We confirm that the estimated MW-measure of each tranche, also announced during the Bidder Information Session on September 9, 2026, is unchanged.
| PLC (MW)* | 1,549 |
| MW-measure | 15.49 |
*The PLC (MW) is based on the five highest coincident peaks experienced by PJM in 2025 for SSO customers (i.e., non-shopping only). The MW-measure is provided for reference purposes only. The amount of actual quantity to be delivered depends on many factors (e.g., migration of SSO customers).
We provide a reminder of the credit-based tranche caps for the November 2026 Auction in the table below:
| Credit Rating for Bidder or Guarantor | |||
| S&P | Moody's | Fitch | Credit-Based Tranche Cap |
| BB and above | Ba2 and above | BB and above | No cap |
| BB- | Ba3 | BB- | 15* |
| Below BB- | Below Ba3 | Below BB- | 8 |
| Not rated |
8 | ||
*The load cap for this November 2026 Auction is 13 tranches; as such, the maximum number of tranches a bidder can bid or win in this upcoming Auction is 13 tranches.
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