Emergency Response Service
ERCOT procures Emergency Response Service (ERS) by selecting qualified loads and generators (including aggregations of loads and generators) to make themselves available for deployment in an electric grid emergency. ERS is a valuable emergency service designed to decrease the likelihood of the need for firm Load shedding (a.k.a, rolling blackouts.) Customers meeting ERS criteria may offer to provide the service through their qualified scheduling entities (QSE).
ERCOT procures ERS four times during the ERS calendar year which begins with December and ends in November. The Standard Contract Terms (SCT) are as follows: December-March, April-May, June-September and October-November. For each SCT ERCOT procures ERS according to two different response times—thirty minutes ("ERS-30") and ten minutes ("ERS-10"). Weather-Sensitive ERS (WS-ERS) is procured only for the 4 month SCTs of December-March and June-September.
ERS is authorized by Public Utility Commission Substantive Rule §25.507.jm
ERS Supporting Information
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ERS Offer Disclosure
Report is posted 60 days after the first day of the Standard Contract Term.
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ERS Procurement Results
Summary of procurement results for upcoming Standard Contract Term.
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ERS Split Deployment Methodology
View split deployment methodology.
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Monthly ERCOT Demand Response from ERS
View monthly response from ERS.
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ERS Forms and Supporting Documents
Click on link for additional ERS docs, forms and training materials.
October 2021 - November 2021 Standard Contract Term
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ERS Procurement Schedule
FINAL-OctNov21
(Sep 14, 2021 – docx – 23.3 KB) -
ERS Technical Requirements
FINAL-OctNov21
(Sep 14, 2021 – docx – 99 KB) -
Request for Proposal ERS
OctNov21 - Correction made to Time Period Hours for TP 5 on page 3.
(Sep 28, 2021 – docx – 84.6 KB)
December 2021 - March 2022 Standard Contract Term
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ERS Procurement Schedule
FINAL-Dec21Mar22
(Sep 30, 2021 – docx – 25.5 KB) -
ERS Technical Requirements
FINAL-Dec21Mar22
(Sep 30, 2021 – docx – 94.8 KB) -
Request for Proposal ERS
FINAL-Dec21Mar22
(Oct 01, 2021 – docx – 85 KB)
April 2022 - May 2022 Standard Contract Term
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ERS Procurement Schedule
DRAFT-AprMay22
(Sep 13, 2021 – docx – 23.5 KB)
June 2022 - September 2022 Standard Contract Term
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ERS Procurement Schedule
DRAFT-JunSep22
(Sep 13, 2021 – docx – 24.4 KB)
Key Documents
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Emergency Response Service Procurement Methodology
(Oct 01, 2021 – zip – 889.2 KB) -
ERS Submission Form
Version 21.0 - NEW ATTESTATION concerning critical loads ADDED TO ID PAGE - associated with NPRR 1087
(Oct 25, 2021 – xlsx – 35.5 KB) -
ERS Submission Form Instructions
Instructions for filling out an ERS Submission Form & Reading Analysis Reports
(Oct 25, 2021 – docx – 107.7 KB) -
Unavailability Submission Form Instructions
Instructions for filling out Unavailability Submission Form
(Jun 09, 2021 – docx – 39.8 KB) -
Unavailability Submission Form Instructions
Effective December 1, 2021
(Sep 17, 2021 – docx – 39.4 KB) -
Unavailability Submission Form
Used to submit notification of Scheduled Unavailability, Unplanned Unavailability, Power Interruptions, Self-Test Schedules and Planned Maintenance and for any subsequent revisions or cancellations of previously submitted notices.
(Jun 09, 2021 – xlsx – 28.9 KB) -
Unavailability Submission Form
Effective December 1, 2021
(Sep 17, 2021 – xlsx – 33.3 KB)