Please refer to the Support page for up to date information: https://energyplus.net/support
The primary EnergyPlus support site is supplied at: http://energyplus.helpserve.com
The site is monitored by EnergyPlus developers and questions are attempted to be answered in a timely manner. Standard EnergyPlus support is provided free of charge by the U.S. Deparment of Energy, as part of a continuing effort to improve the EnergyPlus building simulation tool. Expedited, priority support may be available from other sources. The helpdesk has a files area where important (after release) files may be put as well as the storage for the Transition file set that are prior to the current release.