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Firm Fuel Supply Service

This service is developed consistent with directives from the Legislature requiring ancillary or reliability services to address reliability during extreme cold weather conditions and the Public Utility Commission of Texas (PUCT) order for ERCOT to develop a firm-fuel product that provides additional grid reliability and resiliency during extreme cold weather and compensates generation resources that meet a higher resiliency standard.

ERCOT will procure Firm Fuel Supply Service Resources (FFSSRs) to provide Firm Fuel Supply Service (FFSS) for the purpose of maintaining Resource availability in the event of a natural gas curtailment or other fuel supply disruption. This service will be procured using an RFP process with the RFP for each procurement being issued on or before August 1 of the year the FFSS obligation period is to begin.


November 15, 2024, through March 15, 2025

Sep 26, 2024 - xlsx - 11.5 KB
Sep 26, 2024 - docx - 19.2 KB
Firm Fuel Supply Service Request for Proposal
November 15, 2024-March 15, 2025
Jul 31, 2024 - docx - 97.3 KB
Firm Fuel Supply Service Expectations_v2
November 15, 2024 - March 15, 2025
Jul 31, 2024 - docx - 83.6 KB
Firm Fuel Supply Service Capability Demonstration Form
November 15, 2024 - March 15, 2025
Jul 31, 2024 - docx - 38 KB
Firm Fuel Supply Service Offer Submission Form_v1.5
November 15, 2024- March 15, 2025
Jul 31, 2024 - xlsx - 52.7 KB

November 15, 2023, through March 15, 2024

Sep 21, 2023 - docx - 43 KB
Sep 21, 2023 - docx - 19.1 KB
FFSS Request For Proposal
November 15, 2023-March 15, 2024
Jul 31, 2023 - docx - 96.7 KB
Jul 26, 2023 - docx - 83.2 KB
FFSS Offer Submission Form
November 15, 2023 - March 15, 2024
Aug 23, 2023 - xlsx - 52.6 KB

November 15, 2022, through March 15, 2023

Jul 31, 2024 - docx - 91.6 KB
Jul 31, 2024 - docx - 18.1 KB
Jul 31, 2024 - xlsx - 10.9 KB
Jul 31, 2024 - docx - 30 KB

Key Documents

Oct 7, 2022 - pdf - 548 KB