Both of these have metering devices attached for data collection and analysis to allow for changes can be made in meeting the building's energy demand. The IBMS monitors and manages the data with analysis and control, and regarding energy management, it monitors and manages these various systems: elevators, lighting, HVAC, power monitoring, solar energy collector metering, wind energy power generator metering, interior and exterior shade control. Rainwater harvesting system is in place in the SFPUC in a form of a 25,000-gallon cistern used to capture rainwater from the roof and children day care center's play area.