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 Deployment and Reserve Price Formation FAQ PDF 12.17.2024 Guidance for Resources with Synchronized Reserve Assignments during Synchronized Reserve Events PDF 12.17.2024 Synchronized Reserve Offer Cap Penalty XLS 12.3.2024 Reserves Procedure Memo PDF 5.18.2023 Changes to the EMS Reserve Element Communication PDF 11.20.2024 Zone Preliminary Billing Data Non-Synchronized Reserve RTO Synchronized Reserve Secondary Reserve Market-Based Regulation Date RTO Regulation Signal Data ZIP (472 MB) 3.19.2025 Regulation Uplift and Lost Opportunity Cost PDF 1.22.2025 Regulation Effective MW Requirement Definition PDF 6.3.2024 Regulation Two-Part Cost Based Offer: Other Resources XLS 11.21.2022 Historical Market Data Regulation Control PDF 8.29.2023 Generation Run Reason (GENRUNR) Values XLS 5.6.2025 Regulation Self-Test Signals 40-Minute Performance Score Template XLS 5.8.2024 Normalized Signal Test (after 1.30.2017) Reg A | Reg D XLS 5.8.2024 Zone Preliminary Billing Data PJM Regulation Zone Regulation Redesign Date A Sample Normalize New Regulation Signal for One Day XLS 7.16.2025 Markets Gateway: Regulation Redesign Phase 1 - Sandbox Virtual Session PDF 6.20.2025 XML Schema XSD 6.12.2025 Regulation Effective MW Requirement Definition (2025-2026) PDF 7.9.2025 Regulation Cost-Based Offer Validation Phase I XLS 4.30.2025 Self-Administered Regulation Test XLS 4.30.2025 40-Minute Performance Score Template XLS 4.30.2025 PJM External Interface Specification Guide PDF 4.25.2025 Regulation Redesign Phase 1 FAQ PDF 4.4.2025 Black Start Service Revenue Requirements Five (5) Year Review Date Review of Black Start Formula and Cost Components PDF 10.11.2024 Active Requests for Proposals Date 2024 Incremental RFP for Fuel Assured Black Start Service PDF 4.29.2024 2024 Incremental RFP for Fuel Assured Black Start Service Level 1 Proposal Response PDF 4.29.2024 2024 Incremental RFP for Fuel Assured Black Start Service Level 2 Proposal Response XLS 4.29.2024 Expired Requests for Proposals Date RTO Wide RFP for Black Start Service and Black Start Fuel Assurance FAQs PDF 7.6.2023 2023 RTO-Wide Five-Year Selection Process Request for Proposal for Black Start Service and Black Start Fuel Assurance PDF 6.20.2023 PJM 2023 RTO Wide Black Start RFP Level 1 Response Form PDF 6.20.2023 PJM 2023 RTO Wide Black Start RFP Level 2 Proposal Data Collection Form - Rev 1 XLS 8.22.2023 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 2021 BGE/PEPCO Zones Black Start Service Incremental Request for Proposal PDF 4.7.2021 2019 BGE-PEPCO 1st Incremental Black Start RFP PDF 2.1.2019 Black Start RFP FAQs PDF 3.1.2018 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 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 Black Start Test Report Forms XLS Black Start Cost Submittal Forms 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 Tools Overview Sign In | Register Data Miner - access historical data Learn More | Sign In Markets Gateway Learn More Opportunity Cost Calculator eDART Learn More 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