Markets & Operations

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: the Synchronized Reserve Market, the Non-Synchronized Reserve Market, the Day-Ahead Scheduling Reserve Market and the Regulation Market. Learn more about ancillary services at the Learning Center.



Ancillary Service Market Results

Synchronized Reserve

Date
Mid-Atlantic-Dominion Subzone Bus & Resource List - Effective 5.20.2022 XLS
5.23.2022
Synchronized Reserve Cost Based Offer Validation XLS   4.19.2021
Communication Process for Consideration of Some Resources for Tier 1 Synchronized Reserve PDF   6.19.2020
Communication of Synchronized Reserve Quantities to Resource Owners PDF
3.18.2019
Reserve Zone & Sub-Zone Classifications PDF   7.10.2020
Historical Synchronized Reserve Events

Modification to Synchronized Reserve Market to Better Reflect the Operating Characteristics of Participating Generating Unites PDF
7.1.2013

Zone Preliminary Billing Data

 
Day-Ahead Scheduling Reserve
Non-Synchronized Reserve
RTO Synchronized Reserve

Market-Based Regulation

Date
Regulation Uplift and Lost Opportunity Cost PDF
3.17.2022
Regulation Two-Part Cost Based Offer Validation XLS   4.16.2021
Regulation Requirement Definition PDF  8.2.2019
RTO Regulation Signal Data ZIP (434MB)
7.2.2021
Regulation Market Concepts - Benefits Factor Calculation PDF
3.18.2019
Historical Market Data
 

Regulation Self-Test Signals

 
Normalized Dynamic and Traditional Regulation Signals - May 2014 XLS
8.21.2014
Normalized Signal Test (after 1.30.2017):  RegA CSV
3.13.2019
40-Minute Performance Score Template - Updated to Reflect August MRC Changes XLS
10.9.2013

Zone Preliminary Billing Data

 
PJM Regulation Zone

Regulation Performance Impacts Templates

Date
Proposed Benefits Factor Formulation – Version 1.1 XLS
9.15.2015

Operating Reserve Demand Curve

Date
ORDC Description PDF
3.30.2021
Communication Regarding ORDC Implementation Timing PDF 
10.25.2021
   
Mid-Atlantic & Dominion Reserve Subzone   
30-Minute Uncertainty CSV
7.28.2021
60-Minute Uncertainty CSV 
7.28.2021
Primary Reserves Synchronous Reserves ZIP
7.28.2021
30-Minute Reserves  ZIP |  XLS
7.28.2021
Primary Reserves XLS
7.28.2021
Synchronous Reserves XLS
7.28.2021
   
PJM RTO   
30-Minute Uncertainty CSV 
7.28.2021
60-Minute Uncertainty CSV 
7.28.2021
Primary Reserves Synchronous Reserves ZIP
7.28.2021
30-Minute Reserves  ZIP |  XLS
7.28.2021
Primary Reserves XLS
7.28.2021
Synchronous Reserves XLS
7.28.2021

Black Start Service

 
Revenue Requirements  

Day-Ahead Scheduling Reserve

 
Seasonal Conditional Demand Factor for DASR Requirement PDF  






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Training Presentations

Manuals

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