Solar Position and Intensity

	*	Links to Other Solar Calculators, Etc.

DOE's Solar/Climate Analysis Tools in the EERE Building Energy Software Tools Directory
(http://www.eere.energy.gov/buildings/tools_directory/subjects_sub.cfm)

The NOAA Surface Radiation Research Branch (SRRB) Sunrise/Sunset Calculator
(http://www.srrb.noaa.gov/highlights/sunrise/sunrise.html)

Greg Pelletier of the Washngton Department of Ecology has translated the NOAA online
calculator linked above into two MS EXCEL™ VBA programs:
- Solrad - "A solar position and radiation calculator..." (ZIP)
  (http://www.ecy.wa.gov/programs/eap/models/solrad.zip)
- Sunrise/Sunset - "An Excel™ workbook with seven VBA functions for sunrise/sun set and
  solar position: dawn, sunrise, solar noon, sunset, dusk, solar azimuth, solar elevation." (ZIP)
  (http://www.ecy.wa.gov/programs/eap/models/twilight.zip)

Optical Physics Technologies's Sunchart
(http://www.srv.net/~tm_crw4d/opt/sunchrt.html)

Sunangle
(http://susdesign.com/sunangle/)

Senol Gulgonul's Sun Position Calculator
(http://www.geocities.com/senol_gulgonul/sun/)

The U.S. Naval Observatory's Sun or Moon Altitude/Azimuth Table for One Day
( http://aa.usno.navy.mil/AA/data/docs/AltAz.html)

The University of Oregon's Solar Radiation Monitoring Laboratory's Sun chart program
(http://solardat.uoregon.edu/SunChartProgram.html)

See also:

Please send questions and comments to rredc@nrel.gov

Disclaimer and copyright notice.