Welcome.
The Philadelphia Section, part of the Illuminating Engineering Society, is a not-for-profit technical society whose purpose is to advance lighting knowledge and disseminate information for the improvement of the lighted environment to benefit society.
Chapter Information
Stay Up to Date!
2025 Submissions Open!
Official Submission Site Here
2025 Submission Schedule:
| Submissions | January 2 – February 21 |
| Section IA Chair Processing | February 24 – March 10 |
| Online Merit Judging | March 24 – April 21 |
| Final Live Judging | Early May |