- Project plans
- Project activities
- Legislation and standards
- Industry context
Last edited 12 Feb 2019
Energy consumption in the construction industry
In very general terms, energy is a capacity to do work that can take a number of different forms, such as; thermal (heat), radiant (light), motion (kinetic), stored (potential), secondary (e.g. electricity), chemical, mechanical, and so on.
- Hot water.
- Cooling and refrigeration.
- Washing and drying.
- Other electric loads.
Sources of energy tend to be categorised as either renewable or non-renewable.
For more information see: Energy.
The total energy consumed by end users is typically referred to as ‘final energy consumption’. This is a measure of the energy that is used by the consumer and does not include that used by the sector itself in extraction, delivery, transformation, and so on.
Per capita energy consumption varies to a great extent between countries. At a rough estimate, wealthy developed countries consume 10-20 times as much energy per capita as poorer developing countries. However, energy consumption in many developing regions is rising rapidly.
The energy consumption of buildings, and the role of the construction industry to minimise it, has been a focus of government significant policy change and legislation such as; the Climate Change Act, Carbon Plan, Infrastructure Act, Building Regulations and Construction 2025. Several initiatives and devices, such as the use of smart meters and energy performance certificates, Green Deal, Energy Company Obligation, low-enery lightbulbs, door and window energy rating, and so on have been introduced in an attempt to reduce the energy consumption of buildings.
- Initial embodied energy. The energy consumed to create the building, including; extraction, processing and manufacture, transportation and assembly.
- Recurring embodied energy. That is the energy consumed in refurbishing and maintaining the building during its life.
- Operational energy. The energy consumed in heating, cooling, lighting and powering appliances in the building.
- Demolition energy: The energy consumed in the disposal of the building.
For more information see: Embodied energy.
Energy efficiency not only allows individuals and organisations to reduce their capital and operational costs, is can also help lower fuel consumption and so reduce the emission of greenhouse gases and help prevent climate change.
For more information see: Energy efficiency.
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