Measures the consumption and other characteristics of energy for the purpose of distributing the costs to those who actually consume it and other purposes such as quality control, preventive maintenance, safety, etc.
Widely known as Sub-metering, this involves measuring the consumption of each unit and then billing the occupant for his own consumption by the landlord as opposed to being rolled into the gross rent. . The building owner may also add service fees and some parts of common area consumption. Sub-metering has been widely used for electricity and is reputed to lower consumption by 42%, as tenants learn to economize on their usage. Sub-metering is now being applied to heating and water also. /control.
Widely known as Instrumentation, the requirements of Industrial Energy Management go beyond just measuring consumption. This is because of the widespread use of machinery each with its own set peculiarities. In the case of electricity, it may include, voltage, current, power-factor and power quality. In the case of water it may include temperature, PH, mineral level, etc. The extended purpose may be quality control, preventive maintenance, safety, compliance with industry/government standards, predictive analysis, process control, etc. A large number of sensors are often deployed. Most modern systems transmit the information on a continuous basis via Internet/Wi-Fi directly too sophisticated computer software which analyzes the data to produce reports, dashboards and alerts.