GridLAB-D / News: Recent posts

Mediawiki and Trac down

We are aware that mediawiki and trac are unavailable right now. Unfortunately, we missed that the Sourceforge Hosted Apps platform would be shut down today (6/19/2014). We are working to restore this functionality. If you have an immediate need for information formerly contained in these resources or to submit a bug report, please contact Jason Fuller (

Thank you for your patience.... read more

Posted by Nathan Tenney 2014-06-19

Version 2.2 Release Candidate

The release candidate for Version 2.2 is available at the downloads page.
Version 2.2 is the baseline model for the US DOE's Smart Grid Investment Grant (SGIG) technology impact analysis, completed by PNNL in 2011. This version is expected to become the latest stable release in early September.

Posted by David P. Chassin 2011-08-02

Version 2.1 RC2 release

Version 2.1 Release Candidate 2 was release on November 18, 2010. This release will become the stable release on December 1, 2010 if no further significant issues are uncovered by then.

Posted by David P. Chassin 2010-11-21

User/developer's meeting June 24-25, 2010

A meeting of the users and developers will be held in Richland, Washington on June 24 and 25, 2010. The agenda will include an overview of the new features in Version 2.1 and a kick off of the development process for Version 3.0. Contact Kim Chamberlin ( to reserve your "seat at the table". Click here to review the agenda ( read more

Posted by David P. Chassin 2010-05-15

Upcoming GridLAB-D class June 21-23, 2010

A GridLAB-D course has been schedule for June 21-23, 2010 in Richland, Washington. Space is very limited and priority is being given to interns and subcontractor on DOE projects this summer. Contact Kim Chamberlin ( to request a seat.

Posted by David P. Chassin 2010-03-18

Wholesale Power Market Project started

The wholesale power market project has been started at Iowa State University. Under the leadership of Prof. Leigh Tesfatsion, ISU will integrate the AMES wholesale power market test bed with GridLAB-D. For more information, contact Dr. Tesfatsion at Iowa State University ( or consult the Wholesale Markets page[].

Posted by Teresa Carlon 2009-07-06

GridLAB-D Version 2.0 is here!

Attention GridLAB-D community! PNNL is excited to announce the release the GridLAB-D Version 2.0 for Window 32-bit machines. The following capabilities GridLAB-D Version 2.0 are now available:

>> Residential end-use models for major electric and gas appliances, as well as electric vehicle chargers.
>> Distribute system models, including controls and equipment.
>> Distribution level markets for real-time pricing and price-based control.
>> External links to Excel, ODBC, and gnuplot.
>> Support for the 24 Modern Grid North American taxonomy feeders.
>> Validation against other end-use models and standard distribution analysis tools.
>> End-use load shedding technology.
>> Industrial and agricultural loads.
>> Load and population growth models.
>> Built-in loadshape and schedules.
>> Embedded runtime code
>> Plotting and histograms
>> Real-time and web-based server simulation engines.... read more

Posted by Teresa Carlon 2009-06-08

GridLAB-D repository activated on SourceForge

On January 21 at 5:00 PM PST, the SourceForge repository for GridLAB-D became the primary version control host. The repository at PNNL will be transitioned to a shadow repository for use by PNNL staff only. All project contributors must now obtain updates from

Posted by David P. Chassin 2009-01-22