News

Version 8.0.0

Version 8.0.0  is a major release that contains the first version of the Spawn of EnergyPlus coupling that has been developed by LBNL and NREL in collaboration with Modelon and Objexx Engineering.

The following major changes have been done in Version 8.0.0

The package ...

The U.S. Department of Energy and National Labs have released updated versions of their open-source, whole-building energy modeling tools, the EnergyPlus™ engine and the OpenStudio® Software Development Kit (SDK).

EnergyPlus 9.5.0 continues to emphasize refactoring and defect resolution. The current version includes fixes for over 60 known issues and bugs....

What is the best approach to simulating geometrically complex buildings? Many building performance modeling tools can't handle solar gains and self shading correctly, or have other geometric limitations.

-Not Always Right-Angled

Dear Not Always Right-Angled,

A medium-famous architect once commented: if it's not a right angle it’s a wrong angle. As...

EDSL have launched a new blog series aimed at teaching Tas users how they can harness their powerful in-built API with Microsoft Excel, in order to save time and money by automating tedious and repetitive tasks. Want to learn how to create internal conditions from a spreadsheet, automatically analyze simulation...

IBPSA-USA is proud to unveil, EPSI, a brand-new networking group for Emerging Professionals and Students.

This group will serve IBPSA-USA members who are starting off in the building performance industry, with events and open discussions with one another on topics that are more pertinent to this section: professional development hurdles, academic paths,...

Sometimes energy modelers and mechanical engineers use different values for details like lighting power density or receptacle loads. How can we maintain better compatibility between models, or do we need to?

-Looking for Consistency

Dear Consistency,

We have been down this path before, especially if you have an involved mechanical or electrical...

We are delighted to announce that DesignBuilder v7 is now released! The new version comes with a range of powerful new features that extend DesignBuilder’s capabilities and improve modelling workflow and productivity. Features highlights include:

Accurate 3D ground modelling using Kiva Import EnergyPlus IDF files. Links to MagiCAD. Major Daylighting tool upgrade....

Data centers, dedicated computing and digital storage facilities, power a significant portion of the modern economy. Large companies operate massive data centers that underpin much of our telecommunications system and the internet. Data centers also represent a significant portion of domestic electricity use, accounting for 1.8 percent in 2016, or slightly less than...

New York’s recently introduced law LL97 will require many retrofit projects. How can energy modeling be made more scalable and more manageable for retrofit projects?
-Big Apple Energy Modeler

Dear Big Apple,

First off, let me start by saying that I think that ...

The US Department of Energy (DOE) Building Technologies Office (BTO) is excited to introduce the inaugural cohort of Innovation in Buildings (IBUILD) Graduate Research Fellows.

The ...

Pages