*Attention:* The IES website is still undergoing updates. We will send out an email once all systems have been restored. We apologize for the inconvenience and appreciate your patience. Before signing in, Please click here to confirm your account.

DonateJoinSign In


The IES supports the development of reports and papers that can provide Technical Committees with pertinent information to advance our Standards, and furthermore encourage the advancement of new ideas for presentation at the IES Annual Conference. The following reports are posted here as a record of recently published reports and papers sponsored by the IES:


The Journal of the Illuminating Engineering Society

Research Reports

Research Reports are published in conjunction with all IES Research Projects. View via the IES Webstore.

Symposia Proceedings

Read the work presented at our bi-annual Research Symposia via the IES Webstore.

Annual Conference Proceedings

Read the papers presented at the IES Annual Conference via the IES Webstore.

100 Significant Papers

The 100 articles reproduced here have been chosen on the basis of their subsequent importance to lighting. Articles were considered from the Society’s technical publications dating from February 1906 to January 2004.