The Illuminating Engineering Society (IES) was established in 1906 and is the recognized technical and educational authority on illumination. Here is a brief overview of the IES organization, to learn in more detail about the IES, download our brochure.

In January 2012, the first phase of energy standards for the incandescent lamp (or light bulb) took effect, effectively eliminating common household general-service 100W lamps. In California, these standards have taken effect one year earlier than the federal standards.