Ancillary Services

Ancillary services help balance the transmission system as it moves electricity from generating sources to ultimate consumers. PJM operates several markets for ancillary services:

In both Day-Ahead and Real-Time

• The Synchronized Reserve Market
• The Non-Synchronized Reserve Market
• The Secondary Reserve Market

In Real-Time only

• The Regulation Market

 Learn more about ancillary services at the Learning Center.

Real-Time Ancillary Service Market Results
Day-Ahead Ancillary Service Market Results

Reserve Price Formation	Date
Historical Synchronized Reserve Events
Reserve Subzone Bus Mapping
Reserve Subzone Resource Mapping
Synchronized Reserve Offer Cap Penalty XLS	5.23.2023
Reserves Procedure Memo PDF	5.18.2023
Reserves FAQ PDF	9.22.2022
Mid-Atlantic-Dominion (MAD) Subzone Bus and Resource List - Effective 12.7.2022 XLS	12.13.2022
Changes to the EMS Reserve Element Communication PDF	9.20.2022

Zone Preliminary Billing Data
Non-Synchronized Reserve
RTO Synchronized Reserve
Secondary Reserve

Market-Based Regulation	Date
Regulation Uplift and Lost Opportunity Cost PDF	3.17.2022
Regulation Two-Part Cost Based Offer: Battery/Flywheel Resources XLS Other Resources XLS	4.16.2021 11.21.2022
Regulation Requirement Definition PDF	8.2.2019
RTO Regulation Signal Data ZIP (434MB)	7.2.2021
Historical Market Data
Regulation Control PDF	11.2.2022
Generation Run Reason (GENRUNR) Values XLS	11.2.2022
Generator Voltage Schedule PDF	11.3.2022
Regulation Self-Test Signals
Normalized Dynamic and Traditional Regulation Signals - May 2014 XLS	8.21.2014
40-Minute Performance Score Template - Updated to Reflect August MRC Changes XLS	3.9.2023
Zone Preliminary Billing Data
PJM Regulation Zone

Regulation Performance Impacts Templates	Date

Black Start Service
Revenue Requirements

Active Requests for Proposals

	Date
2022 PECO 1st Incremental Black Start Request for Proposal PDF	8.1.2022
PJM Black Start RFP Level 1 Response Form PDF	1.28.2019

Expired Requests for Proposals

	Date
2021 BGE/PEPCO Zones Black Start Service Incremental Request for Proposal PDF	4.7.2021
Black Start RFP FAQs PDF	3.1.2018
2019 BGE-PEPCO 1st Incremental Black Start RFP PDF	2.1.2019
PJM 2018 RTO Wide Black Start RFP PDF	2.1.2018
2nd Incremental Request for Proposal for Northeast Ohio & Western Pennsylvania PDF	7.28.2015
Incremental Response Template & General Information PDF	7.28.2015
Incremental Request for Proposal for Northeast Ohio & Western Pennsylvania PDF	11.24.2014
Incremental Request for Proposal for AEP Zone PDF	4.11.2014

Test & Cost Submittal Forms

Data Secure File Upload Instructions PDF Section: Generator Outage Ticket Reports
Test Report XLS
Formulaic Cost Data XLS

PJM Calculated Annual Capital Recovery Factor (CRF)

PJM Calculated Annual Capital Recovery Factor (CRF) PDF

Contact PJM
(866) 400-8980 (610) 666-8980 Member Relations

Training
How ancillary services work in PJM
Upcoming Training
Demand Response

Tools
Overview
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Data Miner - access historical data
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Markets Gateway
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Opportunity Cost Calculator
eDART
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Training Presentations

Manuals
M-10: Pre-Scheduling Operations WEB | Current | Redline PDF Section 2
M-11: Energy & Ancillary Services Market Operations  WEB | Current | Redline PDF Section 4
M-12: Balancing Operations  WEB | Current | Redline PDF Section 4
M-14D: Generator Operational Requirements  WEB | Current | Redline PDF Section 10
M-15: Cost Development Guidelines Current | Redline PDF Sections 2-11
M-27: Open Access Transmission Tariff Accounting  WEB | Current | Redline PDF Section 7
M-28: Operating Agreement Accounting WEB | Current | Redline PDF Sections 4-7
M-36: System Restoration  WEB | Current | Redline PDF All Sections