Santa Cruz, Calif.’s wastewater treatment facility, which processes an average daily flow of 10 million gallons, has reduced its lighting energy use and cost by more than 50 percent.

The facility recently upgraded its exterior and site lighting from high-pressure sodium (HPS) and mercury vapor (MV) fixtures to Dialight LED fixtures in an effort to reduce energy use and improve visibility. The HPS and MV fixtures required constant maintenance, generated poor light quality and were more expensive to operated, Dialight said.

Read more at Energy Manager Today.