AES OHIO'S CBP SSO AUCTIONS
FAQ » General

General

GEN 00002 (revised 02/22/2021)
Published On: 09/30/2013

Question: What are the switching rules for customers to/from CRES providers?

Answer: AES Ohio’s Competitive Retail Generation Service Tariff, Tariff Sheet No. G9, includes rules on switching to/from a CRES provider.

GEN 00027
Published On: 03/08/2022

Question: Can you please explain how DZSF is derived?

Answer: Current DZSF are available in the Historical Hourly Loads file on the Information Website. They are calculated in column K of the ‘Capacity PLC and DZSF’ tab: https://www.aes-ohioauction.com/LoadData.aspx

Cells M2 and M3 of the ‘Capacity PLC and DZSF’ tab represent the daily capacity obligation for the DAYTON zone.  DZSF is calculated by dividing the daily capacity obligation for the DAYTON zone (found in cells M2 and M3) by the daily Capacity PLC (found in column I).

  1. The Summer 2021 Weather Normalized RTO Coincident Peaks (MW) for the DAYTON zone is provided yearly by PJM in October. 
  2. Wholesale LSE’s (i.e. municipalities, cooperatives) are then subtracted from that number provided by PJM. 
  3. This amount (e.g. cells M2 and M3 on the ‘Capacity PLC and DZSF’ tab) represents the daily capacity obligation for the DAYTON zone. 
  4. AES calculates the sum of the PLCs for each account served by the retail supplier and reports this to PJM.  PJM  will then scale the supplier PLCs proportionally to the DAYTON obligation.    Instead of aggregating by retail supplier, the 2021 AES Load Data aggregates by class but with the same logic.

GEN 00028
Published On: 09/15/2025

Question: We understand that Wright Patterson Air Force Base (WPAFB) has the ability to choose the SSO or another competitive supplier. We were wondering if WPAFB is currently on or off SSO. Moreover, we would highly value any information you could provide on any long-term power supply contracts that WPAFB has with a competitive supplier.

Answer: Wright Patterson Air Force Base is currently an SSO customer and they have the ability to choose a competitive supplier.  AES cannot share information about contracts that individual customers may or may not have with 3rd party suppliers.

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The information provided in the Frequently Asked Questions (“FAQs”) section of the Site has been prepared by AES Ohio and its advisors for the purposes of facilitating the CBP. The information presented and distributed here is subject to update, modification and/or amendment. The information is current as of the posting date. The material presented and distributed here is for informational purposes only and is made available with the understanding that any individual accessing it will use it for the sole purpose of participating in the aforementioned CBP. The information is not intended to form any part of the basis of any investment decision, valuation, or any bid that may be submitted during the CBP. This information should not be relied upon, and each recipient should make its own independent assessment of the subject opportunity after making all investigations it deems necessary.
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