Slice Data

Public Utility District No. 1 of Chelan County, WA (District) is selling a slice product of the Output from Rocky Reach Hydroelectric Project (RR) and the Rock Island Hydroelectric Project (RI) starting HE 0100, PPT. on January 1, 2022 and ending on HE 2400 (midnight) PPT., December 31, 2024 or December 31, 2026, depending on the final auction winning bid. Chelan County PUD will evaluate the bids based upon the amount of the bids, variations in Contract provisions, operational issues, counterparty concentration risk, and other factors as deemed appropriate in the discretion of the District.

Table 1. Slice Product 35
   Delivery Period  Slice Product 35 
Outage Percentage
Jan. 1, - Dec. 31, 2022 
2. Jan. 1, - Dec. 31, 2023
3.  Jan. 1 - Dec. 31, 2024 5.0% 
4.  Jan. 1 - Dec. 31, 2025 (If award is for a 5 year product) 5.0% 
5.   Jan. 1 - Dec. 31, 2026 (If award is for a 5 year product) 5.0%  

The successful bidder (if any) will receive a slice of the energy and capacity in the percentage amounts and delivery periods shown in the table above. The legal documents further clarify other rights and obligations associated with the slice products. Those documents can be found under the Legal Documents link on this web site.


The available Output will be net of the following:

  • Upstream and downstream encroachments, station service and losses to the Points of Delivery
  • Consumption obligations that are a project responsibility (fish hatcheries, RR bypass, etc)
  • Obligations with the Federal System associated with Immediate Spill Replacement
  • Canadian Entitlement Allocation Extension Agreement project deliveries
  • Adjustments for energy delivery rights that are a Project right under applicable laws or agreements (including but not limited to PNCA)        
  • Reserves if generation is within Chelan County PUD's balancing authority