The ISO provides a wide variety of viewable and downloadable public data to market participants and other interested stakeholders. Public data is available by web services for computer-to-computer communication. For tips on how to get the most out of ISO Express, see the Website Help page.
Maps, graphs, and data tables for power system conditions, system load, load forecast, day-ahead and real-time locational marginal prices (LMPs), fuel mix, and more (note: register for an ISO Express account to create custom views)
Data related to New England’s energy markets; offers, bids, and threshold prices; ancillary services; and Net Commitment-Period Compensation (NCPC)
Data related to New England’s transmission constraints and interchanges with neighboring grids
Data related to the availability and use of wholesale electricity in New England
Data related to transmission, generation, system conditions, and fuel in New England’s wholesale electricity industry.
Data related to settlements, rates, and Net Commitment-Period Compensation (NCPC)
Data related to the Forward Capacity Market (FCM), Forward Reserve Market, and Financial Transmission Rights (FTRs)
Reports formerly published by the ISO, available for historical purposes