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  • About Us

    What We Do

    • Our Three Critical Roles
    • Our History
    • In Depth

    Regional Electricity Outlook

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    Careers at ISO New England

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    • Diversity and Inclusion
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    Contact the ISO

    • Participant Support
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    • Business Hours
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    Vision in Action

    Learn how ISO New England is fulfilling its Vision and upholding its Mission as the region transitions to a cleaner power system

  • Participate

    Applications and Status Changes

    • Participant Registration
    • Requests to Access Software and Systems
    • Financial Assurance and Credit
    • Qualified Transmission Project Sponsor Application and Annual Certification
    • Enrollment in the New England Transmission Planning Region
    • Interconnection Process Guide
    • Transmission Service Applications
    • Name Changes, Affiliate Updates, Termination, and Other Participant Changes
    • Asset Registration

    Participant and Asset Listings

    • Participant Directory

    Training

    • Upcoming Courses
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    Support

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    Governing Agreements

    • Participants Agreement and NESCOE MOU
    • Transmission Operating Agreements
    • Interconnection Operating Agreements and Asset Owner Agreements
    • NEPOOL Agreement
    • Historical Legal Documents

    Rules and Procedures

    • Transmission, Markets, and Services Tariff
    • Market Rule 1
    • Open Access Transmission Tariff (OATT)
    • Manuals
    • ISO Operating Procedures
    • System Operating Procedures
    • Master and Local Control Center Procedures
    • Generator and Non-Generator VAR Capability
    • Planning Procedures
    • NERC and NPCC Compliance

    Regulatory Filings and Orders

    • ISO Filings to FERC
    • ISO Orders from FERC
    • ISO Filings and Orders with Other Federal Agencies
    • ISO Filings with States
    • PTO Filings and Orders with FERC
    • PTO AC Filings and Orders with FERC

    Participate

    Registration information and support for business entities doing business with ISO New England

  • Committees and Groups

    Participants Committee and Working Groups

    • Participants Committee
    • Budget and Finance Subcommittee

    Markets Committee and Working Groups

    • Markets Committee
    • Emerging Technologies Working Group
    • GIS Operating Rules Working Group
    • Information Policy Working Group
    • Meter Reader Working Group

    Transmission Committee and Working Groups

    • Transmission Committee

    Reliability Committee and Working Groups

    • Reliability Committee
    • Load Forecast Committee
    • Power Supply Planning Committee

    Planning Committees

    • Planning Advisory Committee
    • Distributed Generation Forecast Working Group
    • Eastern Interconnection Planning Collaborative
    • Energy-Efficiency Forecast Working Group
    • Environmental Advisory Group
    • Interregional Planning Stakeholder Advisory Committee
    • Transmission Owner Planning Advisory Committee

    Industry Collaborations

    • Consumer Liaison Group
    • Electric/Gas Operations Committee

    Inactive Committees

    Key Projects

    • Day-Ahead Ancillary Services Initiative Key Project
    • Extended-Term Transmission Planning Tariff Changes Key Project
    • New England's Future Grid Initiative Key Project
    • Operational Impacts of Extreme Weather Events Key Project
    • Order No. 2222 Key Project
    • Resource Capacity Accreditation in the Forward Capacity Market Key Project
    • Implemented Key Projects

    Committees and Groups

    Stakeholder committees and working groups collaborating with the ISO in fulfilling its mission

  • System Planning

    Plans and Studies

    • Regional System Plan
    • CELT Reports
    • Economic Studies
    • Environmental and Emissions Reports
    • Installed Capacity Requirement

    System Forecasting

    • Load Forecast
    • Energy-Efficiency Forecast
    • Distributed Generation Forecast

    Interconnection Service

    • Interconnection Request Queue
    • Interconnection Request Studies
    • Cluster Interconnection Studies
    • Interconnection Agreements

    Transmission Planning

    • Reliability Transmission
    • Market Efficiency Transmission
    • Competitive Transmission
    • Public Policy Transmission
    • Longer-Term Transmission Studies
    • Proposed Plan Applications
    • Transmission Cost Allocation
    • Transmission Planning Guides
    • Transmission Owner Asset Management

    Key Study Areas

    • Eastern Connecticut Key Study Area
    • Greater Boston Key Study Area
    • Greater Hartford Key Study Area
    • Maine Key Study Area
    • New England East-West Solution Key Study Area
    • New England-Wide Geomagnetic Disturbance Key Study Area
    • New Hampshire and Vermont Key Study Area
    • Southeastern Massachusetts and Rhode Island Key Study Area
    • Southwest Connecticut Key Study Area
    • Western and Central Massachusetts Key Study Area

    Planning Models and Data

    • Transmission Planning Models
    • FERC Form No. 715 Reports
    • Variable Energy Resource (VER) Data
    • Generator Reporting and Supporting Infrastructure
    • PTF Catalog

    System Planning

    Ensuring that New England's transmission system can reliably deliver power under a wide range of future system conditions

  • Markets and Operations

    ISO Express

    • Real-Time Maps and Charts
    • Pricing Reports
    • Grid Reports
    • Energy, Load, and Demand Reports
    • Operations Reports
    • Billing, Settlements, and Tariff Reports
    • Auction Reports and Supporting Data
    • Retired Reports

    Markets Data and Information

    • Day-Ahead and Real-Time Energy Markets
    • Forward Capacity Market
    • Financial Transmission Rights
    • Forward Reserve Market and Real-Time Reserve Pricing
    • Net Commitment-Period Compensation
    • Regulation Market
    • Voltage Support
    • Black-Start Service
    • Demand Resources
    • Winter Program Payment Rate

    Power System Forecast and Status

    • Morning Report
    • Current Power System Status
    • Seven-Day Capacity Forecast
    • Three-Day System Demand Forecast
    • 21-Day Energy Assessment Forecast and Report
    • Seasonal System Outlook

    Market Performance

    • Market Performance Reports
    • Load Costs

    Market Monitoring and Mitigation

    • Internal Market Monitor
    • External Market Monitor

    Market Development

    • Wholesale Markets Project Plan

    Settlements

    • Understanding the Bill
    • Billing Materials and Forms
    • Billing Disputes
    • Settlement and Metering Holidays
    • Quarterly Settlements Forum
    • Metering and Resettlement Deadlines
    • Tariff Rates
    • Rate Development of Regional Transmission Charges
    • Transmission Formula Rate Protocols Information Exchange
    • IROL-CIP Cost Recovery Under Schedule 17
    • Generation Information System
    • Emergency Power Sales and Purchases
    • FERC Electric Quarterly Reporting
    • Pricing-Node Table

    Transmission Operations and Services

    • Transmission Service Types
    • Transmission Outage Scheduling
    • OASIS Materials
    • Operational Transmission Limits

    Markets and Operations

    Facilitating competitive markets and reliable wholesale electricity delivery in New England

  • Markets and Operations
  • ISO Express

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Markets and Operations Forecasting

  • Morning Report
  • Seven-Day Forecast
  • Three-Day Forecast
  • Power System Status

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