Download the last published regional system plan (RSP). (Draft versions and discussion materials are posted on the Planning Advisory Committee webpage.) The RSP is a comprehensive planning report on system needs and the resource and transmission facilities needed to maintain the reliability of New England’s power system over a 10-year horizon, while also accounting for market efficiencies and economic and environmental considerations. Developing an RSP at least once every three years is one of the ISO’s responsibilities as Regional Transmission Organization (RTO). To learn more, see Attachment K: Regional System Planning Process of the Open Access Transmission Tariff (Section II of the ISO Tariff).
See below for:
The ISO develops the RSP in collaboration with the Planning Advisory Committee (PAC), and ongoing data and analyses are posted on the PAC webpage throughout the year as they become available. For your convenience, you can also view system studies and related materials grouped by:
See Competitive Transmission Projects for information and materials related to ISO New England’s request for proposals process for finding competitive solutions to identified transmission needs.
Some materials in this section contain CEII. Your browser cannot access them without a digital certificate issued by ISO New England. If you are not a market participant, request access to CEII PAC materials. If you are a market participant, contact your organization’s Security Administrator (SA) for the ISO’s Customer and Assets Management System (CAMS). Your SA must enter you into the CAMS database and assign you the necessary roles and permissions. Note: All ISO and stakeholder-submitted material marked as “Critical Energy Infrastructure Information,” “CEII,” or the like are posted to the ISO website with restricted access. ISO New England is not otherwise responsible for reviewing, categorizing, or protecting materials submitted by stakeholders.