
Electrical submetering is a process that involves installing power meters to measure energy usage for individual tenants, departments, or equipment. This allows for accurate billing and a better understanding of energy consumption patterns, helping to reduce costs and promote sustainability. While submetering is not always cost-effective, especially in smaller buildings, it can be a valuable tool for larger buildings to manage their electricity usage and costs. So, does electric submetering of loads save electricity?
| Characteristics | Values |
|---|---|
| Definition | Submetering is a utility billing method in which individual units in a building have their energy consumption monitored separately. |
| Purpose | Submetering is used to accurately quantify energy consumption for each entity in a building, allowing for fair distribution of charges based on actual usage. |
| Benefits |
|
- Installation of additional meters within a building to measure electricity consumed by individual units. |
- Compliance with electrical standards and legal regulations, such as the need for MID certification. |
- Expertise in electricity and installation by an experienced professional for safety. |
| Applications |
- Residential buildings, especially those with multiple tenants. |
- Commercial and industrial settings to allocate energy costs to different departments. |
- Required for many new or remodelled non-residential and high-rise buildings in California. |
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What You'll Learn

Submetering provides a detailed breakdown of electricity consumption within a building
Submetering is an effective way to track and measure electricity consumption in a building. It provides a detailed breakdown of energy usage, allowing users to identify their consumption habits and make more informed decisions. This granular measurement of electricity consumption is achieved by installing additional meters within a building, which measure the electricity used by individual units, tenants, or departments.
By implementing submetering, building managers, landlords, and facility engineers can monitor how and where electricity is being consumed on their properties. This enables them to allocate costs fairly, with each occupant or department being billed based on their actual energy usage. This transparency in billing can prevent disputes and promote financial equality among tenants.
Moreover, submetering helps identify areas of waste and abnormal consumption patterns, such as high heating during periods of absence. This information can guide users towards more responsible energy habits and help them focus their efforts on reducing consumption during peak hours. By shifting their electricity usage to off-peak periods, users can not only reduce their electricity bills but also contribute to maintaining the safety and stability of the power grid.
Submetering is a valuable tool for promoting sustainability and responsible energy consumption. It empowers users to make corrective measures, such as identifying failing equipment and optimising power efficiency, resulting in reduced unnecessary power usage. While the installation and maintenance of submeters may incur costs, the long-term benefits of accurate billing and reduced energy waste can make it a worthwhile investment, especially in multi-tenant buildings.
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It helps identify abnormal consumption patterns
Submetering is a highly effective method for identifying abnormal consumption patterns. It allows for the granular measurement of energy use, providing a detailed breakdown of electricity consumption within a building. This enables users to identify and understand their consumption habits and patterns.
For example, submeters can identify high heating during periods of absence, which may indicate a malfunctioning thermostat or poor insulation. By highlighting such abnormal consumption patterns, users can take corrective measures to reduce unnecessary power usage and lower their electricity bills. This is especially useful in shared or multi-tenant buildings, where individual units or departments can monitor their energy usage separately and identify any deviations from normal consumption patterns.
In addition to identifying abnormal consumption, submeters can also help in determining unnecessary energy consumption. For instance, a sub-meter can reveal that a particular department or tenant is using significantly more electricity than others, indicating wasteful practices or inefficient appliances. This information can then be used to implement more efficient practices or replace outdated equipment, reducing overall energy consumption and costs.
The use of multi-point electrical meters in submetering has made circuit branch monitoring more reliable and economical. These meters can isolate and monitor energy use by circuit, providing detailed data on energy consumption at the circuit level. This allows for easy identification of abnormal consumption patterns within specific circuits, enabling targeted corrective actions.
Overall, submetering is a valuable tool for identifying abnormal consumption patterns, promoting responsible energy usage, and reducing costs associated with unnecessary or inefficient energy use. By providing granular data on energy consumption, submeters empower users to make informed decisions and take corrective actions to optimize their energy usage and reduce their environmental footprint.
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It enables fair cost-sharing in shared environments
Electrical submetering is a process that involves installing power meters to measure energy usage for individual tenants, departments, or equipment. It provides a detailed breakdown of electricity consumption, enabling users to identify their consumption habits and make more informed decisions.
One of the key benefits of electrical submetering is its ability to facilitate fair cost-sharing in shared environments. In a shared office space, for example, each tenant company may have varying electricity needs. By installing submeters, the consumption of each entity can be accurately quantified, allowing for a transparent and fair distribution of monthly charges. This ensures that each occupant contributes financially based on their actual consumption, preventing disputes and promoting equality among tenants.
Submeters provide granular measurements of energy use, allowing building managers and property owners to allocate costs fairly. Tenants are billed separately, paying only for the electricity they consume. This not only encourages energy conservation but also helps tenants lower their electricity bills.
In addition to promoting fairness, submetering helps identify abnormal consumption patterns or potential sources of energy wastage. By understanding consumption habits, users can be guided towards more responsible daily behaviours, such as shifting their electricity usage to off-peak periods. This not only reduces individual electricity costs but also contributes to the overall sustainability of the building.
While submetering offers these advantages, it is important to consider the installation and maintenance costs. In smaller residential buildings, for instance, the benefits of accurate billing per tenant may not outweigh the costs of installing and maintaining submeters. Therefore, it is essential to assess the suitability of submetering for each specific environment before implementation.
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It helps monitor and reduce wastage
Submetering is an effective way to monitor and reduce electricity wastage. It involves installing power meters (also called power monitors, electrical meters, or energy monitors) that measure energy usage for individual tenants, departments, or equipment. This allows for a granular measurement of energy consumption, helping to identify areas of waste and reduce energy usage.
By implementing submetering, building managers, landlords, and facility engineers can gain a detailed breakdown of electricity consumption within their building. This helps them identify abnormal consumption patterns, such as high heating during periods of absence, and take corrective measures to reduce unnecessary power usage. For example, by understanding peak hours of electricity usage, tenants can shift their consumption to off-peak periods, reducing their electric bills and alleviating the grid from overloading dangers.
In addition, submetering enables fair cost allocation based on actual energy usage. With submetering, each tenant or department is billed separately, ensuring that they only pay for their personal power usage. This promotes accountability and can lead to a more responsible daily behaviour among tenants, further reducing wastage.
Submetering is particularly useful in shared environments, such as shared office spaces or multi-tenant buildings, where it can facilitate fair cost-sharing. It simplifies the allocation of common charges by accurately quantifying the consumption of each entity, preventing disputes and inequalities.
While submetering can be a valuable tool for monitoring and reducing electricity wastage, it may not always be cost-effective, especially in small residential buildings where the installation and maintenance costs of submeters may outweigh the benefits of accurate billing. Nonetheless, for larger buildings or complexes, submetering can be crucial to managing and optimising power efficiency and promoting sustainability.
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It helps identify failing equipment
Submetering is the process of measuring the energy consumption of individual units within a building. This can be done for electricity, water, gas, and even internet usage. By installing power meters, building managers can monitor the energy usage of individual tenants, departments, or pieces of equipment. This helps identify failing equipment by providing early indications of pending or actual equipment failure.
For example, in a residential building, submeters can be installed to measure the electricity consumed by each tenant. This allows the building manager to identify if a particular tenant is using more or less electricity than expected. If a tenant's electricity usage suddenly increases, it could indicate that their equipment, such as a refrigerator or air conditioner, is failing or functioning inefficiently.
In a commercial setting, submeters can be used to monitor the energy usage of different departments or specific devices. For instance, a company may use submetering to track the energy consumption of its data center or manufacturing equipment. If the energy usage of a particular device deviates from the norm, it could be a sign that the equipment needs maintenance or replacement.
Submetering also enables building managers to allocate energy costs fairly among tenants or departments. By understanding the energy usage patterns of different areas or equipment, managers can identify inefficiencies and take corrective actions. This not only helps reduce energy costs but also promotes sustainability and supports energy conservation initiatives.
Additionally, submetering can provide valuable insights into a building's overall energy efficiency. By analyzing the data collected through submetering, building managers can establish baselines, benchmark against performance standards, and optimize maintenance programs. This helps identify areas where equipment upgrades or replacements may be necessary to improve energy efficiency and reduce the likelihood of equipment failures.
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Frequently asked questions
Submetering is the process of measuring individual energy consumption for a more accurate billing process. It involves the installation of additional meters within a building to measure the electricity consumed by individual units or departments.
Submetering helps identify areas of waste and reduce energy usage, which saves money and supports sustainability efforts. It also helps users shift their consumption to off-peak periods, keeping the grid safe from overloading dangers.
Submetering offers accurate energy monitoring and a transparent calculation and fair distribution of charges. It also helps identify abnormal consumption patterns and energy-saving opportunities.
Any property owner can legally add an electrical submeter to their setup without needing specific authorization, as long as the installation remains compliant with the current electrical standards.











































