From the Sacramento Municipal Utility District are summaries on lighting systems. Here's is one on induction lighting.
Induction Lighting Systems
Almost every type of lighting system has a common weakness - the lamp filament. Most lamp failures are due to degradation of the filament or electrodes. About ten years ago, lighting manufacturers introduced a product that did not require electrodes: the induction lighting system. According to manufacturers, some of these lamps will last over 100,000 hours - over 25 years for most users! Today SMUD customers are finding new energy saving applications for this technology.
This evaluation report focuses on induction lighting systems and attempts to address the following questions: How do these systems work? Are they cost effective? What are some of the applications and challenges associated with using this technology?