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Public Data API Release Notes

Be sure to checkout Deprecation Notices

Version 1.0


2025-R11

Dec 05, 2025

Production implementation of Real-Time Co-optimization Plus Batteries (RTC+B)

Additional data product(s) released:

  • NP3-763-CD - Short-Term System Adequacy Report
  • NP3-764-CD - Hourly RUC Online In SCED Offline In COP Report
  • NP3-906-EX - 2-Day SCED Ancillary Service Disclosure
  • NP3-907-EX - 2-Day DAM Energy Curves
  • NP3-908-ER - 2-Day DAM and SCED Energy Curves Reports
  • NP3-909-ER - 2-Day DAM Bids and Offers Reports
  • NP3-914-EX - 3-Day SCED Highest Price AS Offer Selected
  • NP3-915-EX - 3-Day DAM Highest Price AS Offer Selected
  • NP3-987-EX - 7-Day Event Trigger Posting
  • NP4-192-CD - DAM Total Energy Purchased
  • NP4-193-CD - DAM Total Energy Sold
  • NP4-19-CD - DAM Aggregated Ancillary Service Offer Curve
  • NP4-212-CD - DAM and SCED Ancillary Service Demand Curves
  • NP4-412-CD - Emergency Pricing Program Cumulative Hours Tracking
  • NP4-532-CD - DAM Total Ancillary Services Sold
  • NP4-791-CD - Day-Ahead and Real-Time System Wide-Offer Caps
  • NP5-525-CD - Weekly RUC Ancillary Service Deployment Factors
  • NP5-526-CD - Projected Ancillary Service Deployments Factors
  • NP5-527-CD - Daily RUC Ancillary Service Deployment Factors
  • NP5-528-CD - Hourly RUC Ancillary Service Deployment Factors
  • NP6-323-CD - Real-Time Price Adders by SCED Interval
  • NP6-324-CD - Real-Time Price Adders for 15-Minute Settlement Interval
  • NP6-325-CD - RTD Indicative Price Adders
  • NP6-327-CD - LMP By SOG Including Price Adders
  • NP6-328-CD - Total Capability of Resources Available to Provide Ancillary Service
  • NP6-329-CD - RTD Indicative Real-Time MCPC
  • NP6-331-CD - Real-Time Clearing Prices for Capacity by 15-Minute Settlement Interval
  • NP6-332-CD - Real-Time Clearing Prices for Capacity by SCED Interval

Additional artifact(s) for existing data product(s) released:

Additional product(s) released as historic file download option only:

  • EIA-930-ER - Daily Balancing Authority Operations Report
  • NP3-988-ER - Resource Decision-Making Entity List
  • NP6-794-ER - Historical Total Capability of Resources Available to Provide Ancillary Services by SCED Interval
  • NP6-795-ER - Historical RTM Clearing Prices for Capacity by SCED Interval
  • NP6-796-ER - Historical RTM Clearing Prices for Capacity by 15-Minute Settlement Interval

2025-R5

May 29, 2025

Initial launch of the ESR Public Data API. Developer Documentation


2025-R4

April 24, 2025

Additional data product(s) released (historic file download option only):

  • NP6-792-ER - Historical Real-Time Price Adders by SCED Interval
  • NP6-793-ER - Historical Real-Time Price Adders for 15-Minute Settlement Interval
  • NP3-108 - Monthly ERCOT Demand Response from Load Resources
  • NP1-346-ER - Unplanned Resource Outages Report
  • NP4-765-ER - ESR Integration Report

2025-R2

February 27, 2025

Support for historic file-only product capabilities has been added.

Additional data product(s) released (historic file download option only):

  • NP4-494-ER Exceptional Fuel Cost Submission Report

2024-R11

December 11, 2024

Monthly Archives are now available for products with a daily or higher frequency.


2024-R9

September 26, 2024

Additional data product(s) released:

  • NP4-442-CD - Hourly System-wide and Regional Wind Forecasts by Model

Updates to the artifact structure as part of the PR373-01 Forecast Presentation Platform:

  • NP4-732-CD - Wind Power Production - Hourly Averaged Actual and Forecasted Values
  • NP4-733-CD - Wind Power Production - Actual 5-Minute Averaged Values
  • NP4-737-CD - Solar Power Production - Hourly Averaged Actual and Forecasted Values
  • NP4-738-CD - Solar Power Production - Actual 5-Minute Averaged Values
  • NP4-742-CD - Wind Power Production - Hourly Averaged Actual and Forecasted Values by Geographical Region
  • NP4-743-CD - Wind Power Production - Actual 5-Minute Averaged Values by Geographical Region
  • NP4-745-CD - Solar Power Production - Hourly Averaged Actual and Forecasted Values by Geographical Region
  • NP4-746-CD - Solar Power Production - Actual 5-Minute Averaged Values by Geographical Region

2024-R8

August 22, 2024

Additional data product(s) released:

  • NP1-301 - 60-Day COP Adjustment Period Snapshot

2024-R7

July 25, 2024

Additional data product(s) released:


2024-R4

April 25, 2024

Add a defaultFilter to the base query on "View Data" UI page.


2024 GA Release

February 16, 2024

Initial launch of the Public Data API.


Version 1.0 beta


2023 Beta Release

December 11, 2023

Initial release of the PUBAPI-beta. ERCOT Public API Client/Developer Documentation

  • NP3-233-CD - Hourly Resource Outage Capacity
  • NP3-565-CD - Seven-Day Load Forecast by Model and Weather Zone
  • NP3-566-CD - Seven-Day Load Forecast by Model and Study Area
  • NP3-910-ER - 2-Day Real Time Gen and Load Data Reports
  • NP3-911-ER - 2-Day Ancillary Services Reports
  • NP3-965-ER - 60-Day SCED Disclosure Reports
  • NP3-966-ER - 60-Day DAM Disclosure Reports
  • NP3-990-EX - 60-Day SASM Disclosure Reports
  • NP3-991-EX - 60-Day COP All Updates
  • NP4-732-CD - Wind Power Production - Hourly Averaged Actual and Forecasted Values
  • NP4-733-CD - Wind Power Production - Actual 5-Minute Averaged Values
  • NP4-737-CD - Solar Power Production - Hourly Averaged Actual and Forecasted Values
  • NP4-738-CD - Solar Power Production - Actual 5-Minute Averaged Values
  • NP4-742-CD - Wind Power Production - Hourly Averaged Actual and Forecasted Values by Geographical Region
  • NP4-743-CD - Wind Power Production - Actual 5-Minute Averaged Values by Geographical Region
  • NP4-745-CD - Solar Power Production - Hourly Averaged Actual and Forecasted Values by Geographical Region
  • NP4-746-CD - Solar Power Production - Actual 5-Minute Averaged Values by Geographical Region
  • NP4-159-CD - Load Distribution Factors
  • NP4-179-CD - Total Ancillary Service Offers
  • NP4-183-CD - DAM Hourly LMPs
  • NP4-188-CD - DAM Clearing Prices for Capacity
  • NP4-190-CD - DAM Settlement Point Prices
  • NP4-191-CD - DAM Shadow Prices
  • NP4-196-M - DAM Price Corrections
  • NP4-197-M - RTM Price Corrections
  • NP4-33-CD - DAM Ancillary Service Plan
  • NP4-523-CD - DAM System Lambda
  • NP6-322-CD - SCED System Lambda
  • NP6-345-CD - Actual System Load by Weather Zone
  • NP6-346-CD - Actual System Load by Forecast Zone
  • NP6-787-CD - LMPs by Electrical Bus
  • NP6-788-CD - LMPs by Resource Nodes, Load Zones and Trading Hubs
  • NP6-86-CD - SCED Shadow Prices and Binding Transmission Constraints
  • NP6-905-CD - Settlement Point Prices at Resource Nodes, Hubs and Load Zones
  • NP6-970-CD - RTD Indicative LMPs by Resource Nodes, Load Zones and Hubs