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Solar access is a great way to determine if a space is achieving enough daylight throughout the day. Also referred to as daylight access, many countries and regions are now requiring new buildings meet specific solar access standards, such as SEPP 65 in Australia.

Follow the steps below to get started with Solar Access in Revit with the latest Insight plugin. Also be sure to use these resources for guidance when setting material properties.


  1. Open a building element model in Revit and make sure that your location is set. In order to get results for Solar Access analysis types, you must have rooms specified in your model.
  1. From the Analyze tab, select Lighting from within the Insight panel.



  1. The first dialog that appears provides resources and best practices for conducting a lighting analysis study. These best practices are not required, but will help you achieve more representative results. Select Continue.
  1. Next, you will have the ability to run a new analysis type or recall previously saved results. Select <Run New Analysis> and then Go.


  1. The Lighting Analysis in the Cloud dialog box will allow you to set your study settings. Select Solar Access as the Analysis type.


A. Select the date and time range for your study.

For all hours selected, the Direct Normal Irradiance (DNI) and Global Horizontal Irradiance (GHI) will be set to 1000 W/m2, and Diffuse Horizontal Irradiance (DHI) will be set to 1 W/m2.

B. Set the minimum threshold and analysis plane height

In order to meet the minimum threshold, any point in the room must exceed 4000 lux.

C. Select Start Analysis to begin the simulation. Cloud credits will not be charged until the analysis is complete.


  1. After selecting Start Analysis, the model geometry will be uploaded to the cloud rendering engine. Do not close the project or Revit during this process.

Once the model is successfully uploaded to the cloud, it is okay to close the project or continue working in Revit. Note that any changes you make to the model geometry or material settings will not be reflected in your analysis results, as the model has already been uploaded for analysis.

  1. Revit will notify you once the results are ready. Accept or Decline the cloud credit charges at this point. It is recommended you also save the project, so you will be able to recall the lighting analysis results after exiting Revit


  1. Open the _Lighting Analysis Model View under 3D Views. Note that any “_Lighting …” views are automatically created to easily access results in plan, 3D, and as a schedule. Analysis results will populate in whatever 3D view is currently active.


  1. From the Insight panel select Lighting to access your analysis results. This time, select the results for the analysis that has been completed and select Go.


You’ll be prompted with a dialog box with a summary of your results.


  1. You can use the Section Box to view the results in 3D or open the corresponding “_Lighting” floor plan.



  1. You can toggle between different analysis visualizations by selecting the analysis plane, and changing the Analysis Configuration in the Properties


  1. Open _Lighting Analysis Room Schedule. To get more detail for the rooms included in the analysis.


Any changes made in the schedule do not require you re-run the analysis. Simply select Lighting and access the study results to regenerate results considering the information updated in the schedule.




Stephanie Egger

Stephanie Egger is a building scientist and engineer, and passionate about reducing building energy use through education. She works on the Autodesk Building Performance Analysis Team where she exposes customers to the latest high performance building design tools and provides training on to how best use them. Previously she co-authored and launched a series of online courses that educate the next generation of designers. These courses and related certificate programs (Autodesk Building Performance Analysis Certificate) teach architects and engineers the basics of sustainable design and building performance through simulation and analysis tools. Stephanie pairs the creation of these educational offerings with the commitment to continuous improvement of building-design technology to enable designers to create sustainable and meaningful designs.


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    where can i download adds in, so i can do my analysis in revit?

  2. AvatarJose.Garcia.Arup



    Hello, does anybody know if Revit uses default shades or blinds for the sDA calculation? And if so, is it possible to give properties to these shades? I’m not sure if I should create the shades and then run two different analysis (with and without shades). Can anyone help me with this? Thank you!

    1. Stephanie EggerStephanie Egger (Post author)



      Hi Jose–One of the differences between the sDA calculation (opt1) and the single point in time calculation (opt2) is that for sDA, shades actually need to be modeled, versus just expanding the threshold limits. Currently Revit doesn’t include shades, but it’s worth noting that including shades shouldn’t change the results that much. Actually, including automated shades won’t reduce the direct sun (ASE) liability (ASE has to be calculated with shades open). Hope this helps!

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