Impact of October 2023 Eclipse on Solar PV Generation

October 9, 2023

An annular solar eclipse will pass over North and South America on Saturday October 14, 2023. Since the path of the eclipse crosses regions with large amounts of solar PV generation, Professor Thomas Overbye of Texas A&M University produced a two-minute video that shows the estimated impact of this eclipse on US PV generation. Since […]

Simulator v23 Released

February 28, 2023

We are pleased to announce the release of PowerWorld Simulator version 23. It is now available for download by customers with current maintenance agreements. A list of new features in version 23 is available here (

FirstRate ERCOT 2022 Now Available

February 8, 2023

The FirstRateTM generator cost model dataset mapped to the ERCOT 2022 planning case series (22SSWG) is now available to subscribers of FirstRate ERCOT. FirstRate models provide basic and essential inputs for use with PowerWorld Simulator OPF software, based on figures published by the U.S. Energy Information Administration (EIA). More information about FirstRate is available here, […]

Western Region User Group Meeting

July 26, 2022

The next PowerWorld User Group Meeting will be held October 5-6, 2022 in Tempe, Arizona. The meeting is open to all PowerWorld Simulator users, though it is anticipated most discussions will be oriented to power system planning and operations issues facing WECC members. Salt River Project (SRP) will host the meeting at the PERA Club […]

Weather Information Webinar

July 6, 2022

While this is not a PowerWorld seminar, it is by PowerWorld co-Founder Tom Overbye and he will be previewing some of the new PowerWorld version 23 functionality for direct inclusion of weather information in the power flow. Title: An Approach for the Direct Inclusion of Weather Information in the Power Flow Date and Time: July 13, 2022, […]