ESS recently completed installation of systems on the MV Delphinus. This is the newest vessel built by Mavrik Marine for WETA/San Francisco Bay Ferry. ESS provided Public Address/General Alarm with pre-recorded announcing, a CCTV camera system, an interior communication system, a cellular and WiFi network system, and ESS Vessel Alert™ video system.

Mavrik Marine is currently under contract to build four vessels for WETA.