This website contains electric grid test cases and datasets provided by Texas A&M University’s energy and power group researchers for a variety of applications in power systems engineering. The newest additions are highlighted below.
To see a list of all the datasets, go to the Main download page for all available power system cases
Latest Updates and Releases:
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9/12/2023 | Synthetic Coupled Electric and Natural Gas Test Case for all of Texas
 This 6717 electric node, 2459 gas node test case represents a synthetic network on the geographic footprint of Texas. The electric transmission case is provided in a variety of formats including PowerWorld, PSSE, and PSLF, while the gas case is provided in a human-readable JSON format. You can download the latest version of this case from the Texas A&M team here.
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5/22/2023 | Synthetic Combined Transmission-Distribution Case for all of Texas
 This test case represents a synthetic (fictitious) transmission + distribution network on the geographic footprint of Texas. The transmission case is provided in a variety of formats including PowerWorld, PSSE, and PSLF, while the distribution case is provided in OpenDSS format. You can download the latest version of the Texas Combined T&D dataset from the Texas A&M team here.
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4/15/2023 | Hawaii Synthetic Case — 37 Buses
 This 37-bus synthetic network covers the geographic footprint of the Hawaiian island of Oahu, and serves 1100 MW of peak load. This case is synthetic and does not model the actual grid. The case is provided in PowerWorld format, including binary (PWB/PWD), PowerWorld auxiliary text format, Matpower format, PSS/E raw format, and PSLF epc format. Note that the size of this case allows it to be used with the educational version of PowerWorld. You can download the latest version of the Hawaii40 dataset from the Texas A&M team here. |
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2/17/2023 | ARPA-E Perform Datasets from All Teams
ARPA-E’s Performance-based Energy Resource Feedback, Optimization, and Risk Management (PERFORM) program seeks to develop new grid management systems that represent the relative delivery risk of individual electricity generation resources and balance the collective risk of all assets across the grid. The program has funded twelve project teams across the country to build software platforms that optimize grid management as the penetration of variable renewable resources continues to increase. However, the difficulty of obtaining and sharing sensitive transmission grid data has historically presented a challenge for innovation. To overcome this challenge, PERFORM also funded leading power systems modelling groups at Lawrence Livermore National Laboratory, National Renewable Energy Laboratory, Princeton University, Texas A&M University, and the University of Wisconsin to generate realistic synthetic datasets for the power grid. These datasets served as a basis for the twelve optimization teams to develop their platforms. The dataset teams have now come together to make their data publicly available via the links below. Each unique dataset can be used for a variety of applications specified by each respective team. ARPA-E hopes that making this data widely accessible will spur additional innovation in grid management beyond the PERFORM program. You can download the latest version of the Performs datasets here. |
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4/25/2022 | Power Grid Storytelling as an Effective Means of Communicating Results
Effectively communicating the behavior of an electric grid is an important pursuit in education, research, and industrial applications. Texas A&M University researchers present considerations for visual storytelling as a means for interpreting and communicating the behavior of the grid for simulations ranging in duration from seconds to days. By framing the issue of communicating the vast amounts of data associated with wide-area transmission grid operation as a story to tell, those tasked with presenting this data are encouraged to consider what makes an effective story and, in turn, create compelling and understandable stand-alone narratives. Demonstrations are presented for cases of various scales including a 37-bus case, a 2000-bus case, and a 24,000- bus case. J.L. Wert, F. Safdarian, T.J. Overbye, D.J. Morrow, “Case Study on Design Considerations for Wide-Area Transmission Grid Operation Visual Storytelling,” in the IEEE Kansas Power and Energy Conference (KPEC), Manhattan, KS, April 2022. View |
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2/28/2022 | Updates to the Polish system case2746wop
You can download the latest updates to the Polish case2746wop dataset from the Texas A&M team here. |
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1/12/2022 | Combined Electric-Gas Synthetic Test Case (150-bus electric and 47-node gas)
This dataset includes a 150 bus synthetic electric test case, corresponding to the Austin-Travis County T&D system, along with the associated 47-node synthetic natural gas test case with 23 loads and 46 pipelines. This system is designed to aid with developing and validating analysis techniques for combined electric-gas systems.
You can download the latest electric-gas datasets from the Texas A&M team here.
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9/13/2021 | Restoration Data and Scenarios For 200-bus Test Case
A 200-bus synthetic grid (ACTIVSg200) with associated datasets appropriate for blackstart restoration scenarios, including definitions of critical loads, blackstart units, cranking capabilities, and ramp rates. In addition, four scenarios are provided with varying levels of renewable availability and outages of units and devices. You can download the latest restoration datasets from the Texas A&M team here. |
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7/12/2021 | Time Series Data for ACTIVSg Cases
These yearly load and wind profiles are now available for download. H. Li, J. H. Yeo, A. L. Bornsheuer and T. J. Overbye, “The Creation and Validation of Load Time Series for Synthetic Electric Power Systems,” in IEEE Transactions on Power Systems, vol. 36, no. 2, pp. 961-969, March 2021, doi: 10.1109/TPWRS.2020.3018936. You can download the latest ACTIVSg time series datasets from the Texas A&M team here. |
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5/5/2021 | Datasets and Report for the PSERC S-92G Project
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2/5/2021 | Datasets for ARPA-E PERFORM Program
You can download the latest PERFORM datasets from the Texas A&M team here. |
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3/19/2020 | Combined Transmission and Distribution Synthetic Dataset
You can download this combined T&D Synthetic Dataset here. |
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3/15/2020 | Test Cases for DOE ARPA-E Grid Optimization Competition Challenge 1
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5/31/2018 | 82,000 Bus Case Now Covers the Full Contiguous U.S. footprint
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5/31/2018 | 70,000 Bus Synthetic Grid on Footprint of the Eastern United States
 This ACTIVSg70k test case is a 70,000-bus case built on the footprint of the eastern United States. This case includes 52 areas and nine nominal voltage levels. It bears no relation to the actual grid in this location, except that generation and load profiles are similar, based on public data. This synthetic system was developed with support from the US ARPA-E Grid Data program. You can download the power flow case here. More details are available here. |
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3/25/2018 | Two New Publications on Synthetic Electric Grid Modeling
[9] A. B. Birchfield, T. Xu, and T. J. Overbye, “Power flow convergence and reactive power planning in the creation of large synthetic grids,” in IEEE Transactions on Power Systems, 2018. [10] T. Xu, A. B. Birchfield and T. J. Overbye, “Modeling, Tuning and Validating System Dynamics in Synthetic Electric Grids,” in IEEE Transactions on Power Systems, 2018. To encourage and support innovation, synthetic electric grids are fictional, designed systems that mimic the complexity of actual electric grids but contain no confidential information. In order to scale these systems to ten thousand buses or more, robust reactive power planning is needed, accounting for power flow convergence issues. [9] addresses reactive power planning and power flow convergence in the context of large synthetic power grids. Additional complexities can be added into synthetic models to widen their applications. Thus, [10] aims to extend synthetic network base cases for transient stability studies. An automated algorithm is proposed to assign appropriate models and parameters to each synthetic generator. A two-stage model tuning procedure is also proposed to improve synthetic dynamic models and several transient stability metrics are developed to validate the created dynamic cases. A complete list of publications is available here. |
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2/14/2018 | 25,000-bus Synthetic Grid on the Footprint of the Northeastern United States
 This ACTIVSg25k test case is built on the footprint of the northeastern United States, and it includes sixteen areas and nine nominal voltage levels. It bears no relation to the actual grid in this location, except that generation and load profiles are similar, based on public data. The case includes power flow data as well as parameters for transient stability and geomagnetic disturbance studies. This synthetic system was developed with support from the US ARPA-E Grid Data program. You can download the power flow case used to generate this movie including transient stability data here. More details are available here. |
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11/08/2017 | Computer Assignments for Small and Medium-sized Power Systems
 Several computer assignments using 37-bus and 2000-bus synthetic power system models are designed for one TAMU ECEN undergraduate course. Those assignments are used to help students gain experience and insights into different aspects in the power system area, including the power flow problem, energy economics, contingency analysis, transient stability studies and so on. You can download these cases and instructions here. |
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10/20/2017 | A 10k-bus Synthetic Network Case on the Footprint of the Western United States
 We developed a 10k-bus synthetic electric grid test case on the footprint of the Western Electricity Coordinating Council. The image on the left contours the frequency variation across a synthetic 10,000 bus system following a generator loss contingency simulated in a transient stability package. This synthetic system was developed with support from the US ARPA-E Grid Data program. You can download the power flow case used to generate this movie including transient stability data here. More details, including the movie file are available here. |
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10/18/2017 | Video Shows Bus Voltage Variation in the 2000-Bus Case
 This video is made using a 2000 bus test case built on the footprint of the Electric Reliability Council of Texas. A contingency event with a three-phase transmission line fault, followed by line tripping, is considered. Voltage variations are shown with and without the application of power system stabilizers. This synthetic system was developed with support from the US ARPA-E Grid Data program. You can download the power flow case used to generate this movie including transient stability data here. More details, including the movie file are available here. |
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9/01/2017 | 2000-Bus Synthetic Grid on Footprint of Texas
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8/30/2017 | New Publication on Synthetic Grid Modeling
[6] A. B. Birchfield, E. Schweitzer, H. Athari, T. Xu, T. J. Overbye, A. Scaglione, and Z.Wang, “Validation metrics to assess the realism of synthetic power grids,” Energies, vol. 10, no. 8, p. 1233, Aug. 2017.
Building synthetic grid models for this purpose is a relatively new problem, for which a challenge is to show that created cases are sufficiently realistic. Paper [6] puts forth a validation process based on a set of metrics observed from actual power system cases. These metrics follow the structure, proportions, and parameters of key power system elements, which can be used in assessing and validating the quality of synthetic power grids. The process is applied to two new public test cases, which are shown to meet the criteria specified in the metrics of this paper. A complete list of publications is available here. |
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5/26/2017 | 500-Bus Synthetic Grid on the Footprint of South Carolina
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5/03/2017 | 200-Bus Synthetic Grid on the Footprint of Central Illinois
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This case is built on the footprint of the western South Carolina, covering about 21 counties with around 2.6 million people. There are 90 generators in this case with a total generation capacity of about 12 GW. The synthetic system has two voltage levels (345/138 kV). This synthetic system was developed with support from the US ARPA-E Grid Data program. 