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2018 Reports and Presentations

ERCOT Overview

2017 State of the Grid Report
Apr 10, 2018 - pdf - 8.5 MB
ERCOT Quick Facts
Dec 20, 2018 - pdf - 217 KB

Operations and System Planning

2018 Demand and Energy Report
Monthly report on demand and energy use in the ERCOT region.
Mar 7, 2019 - xlsx - 75.6 KB
2018 ERCOT Report on Existing and Potential Electric System Constraints and Needs
Dec 21, 2018 - pdf - 2.9 MB
2018 Long-Term System Assessment for the ERCOT Region
Dec 21, 2018 - pdf - 1.5 MB
2018 Regional Transmission Plan
Jan 2, 2019 - zip - 1.2 MB
Review of Summer 2018 ERCOT Market Performance
Sep 24, 2018 - pdf - 1019.1 KB
Summary of ERCOT Market Performance for Summer 2018
Sep 24, 2018 - pdf - 229.7 KB
Protecting ERCOT’s Electric System From Cyber Attacks
Oct 4, 2018 - pdf - 543.4 KB
Impact of Increased Wind Resources in the ERCOT Region
Aug 8, 2019 - pdf - 326.2 KB
Summary of Transmission Improvements to Address Growth in Far West Texas
Aug 1, 2019 - pdf - 489 KB
Hurricane Harvey Event Analysis Report
May 22, 2018 - pdf - 3.5 MB
About ERCOT’s Planning studies to address stability and voltage impacts from increased renewable generation
Apr 19, 2018 - pdf - 115.1 KB
Panhandle and South Texas Stability and System Strength Assessment
Analyzes operating conditions for high concentrations of wind generation in Panhandle and Rio Grande Valley
Apr 19, 2018 - pdf - 2.4 MB
Dynamic Stability Assessment of High Penetration of Renewable Generation in the ERCOT Grid
Analyzes system-wide stability impacts with high penetrations of renewable generation
Apr 19, 2018 - pdf - 1.8 MB
Inertia: Basic Concepts and Impacts on the ERCOT Grid
Studies inertia trends on the ERCOT system
Apr 4, 2018 - pdf - 1.3 MB
Energy by Fuel Type 2002-2016
Shows electricity consumption by fuel type by month
Jan 15, 2018 - xls - 361 KB
Generation Resource Retirements in the ERCOT Region
Dec 18, 2017 - pdf - 29.1 KB

Governance and Oversight

Emerging Grid Issues Briefing
Jan 2, 2019 - pdf - 2.1 MB
ERCOT Update to Senate Business and Commerce Committee
May 1, 2018 - pdf - 487.8 KB
2017 ERCOT Financial Statements
Audited financial statements of the Electric Reliability Council of Texas, Inc.
Apr 24, 2018 - pdf - 519.4 KB
2018-19 ERCOT Biennial Budget
Aug 3, 2017 - pdf - 6.8 MB
About the 2018-19 ERCOT Budget
Jun 6, 2018 - pdf - 87.4 KB

Market Studies

Study of the Operational Improvements and Other Benefits Associated with the Implementation of Real-Time Co-optimization of Energy and Ancillary Services
A study showing operational impacts from the implementation of Real-Time Co-optimization
Jun 29, 2018 - pdf - 187.8 KB
Summary of Real-Time Co-optimization Study
Jan 17, 2019 - pdf - 155.1 KB
Study of the System Benefits of Incorporating Marginal Losses in Security-Constrained Economic Dispatch
A benefits analysis of incorporating marginal losses in the ERCOT market
Jun 29, 2018 - pdf - 169.5 KB
Summary of Marginal Losses Benefits Analysis
Jul 2, 2018 - pdf - 88.3 KB
Simulation of Real-Time Co-optimization of Energy and Ancillary Services for Operating Year 2017
Independent Market Monitor evaluation of the impacts of Real-Time Co-optimization in the ERCOT market
Jun 29, 2018 - pdf - 418.6 KB