- Project plans
- Project activities
- Legislation and standards
- Industry context
- Specialist wikis
Last edited 04 Nov 2020
The equation for power is often written as:
Power = work/time
According to the International System of Units (SI), the unit of power is the joule per second (J/s), which is also known as a ‘watt’ (named after James Watt, the inventor of the steam engine condenser). Another measurement is horsepower, in which power is compared to the power of a notional horse.
Power can also relate to electricity; specifically, electrical power is the rate per unit time at which an electric circuit transfers electrical energy. The term 'power generation' describes the process of generating electrical power, and electric generators, or sources such as electric batteries, are commonly used to provide electrical power.
See also: Electrical power.
 Related articles on Designing Buildings Wiki
- Alternating current and direct current
- Battery storage.
- Combined heat and power.
- Community energy network.
- Domestic micro-generation.
- Electrical power.
- Electricity supply.
- Energy consumption.
- Energy storage.
- Kilowatt hour.
- Not a choice between renewables and nuclear - we need both.
- On-site generation of heat and power.
- Power factor for lamps.
- Power generation.
- Power over ethernet.
- Power over USB.
- Renewable energy.
- Tidal lagoon power.
- Uninterrupted power supply for buildings.
Featured articles and news
PHribbon toolbar developed for US market.
CIOB consultation seeks feedback on APPG 2020 report.
How to respond to changes made in the October 2021 update.
Resource provides professional installation assistance.
Adaptive planning proposal spans 15 years.
Activities summarised by the Construction Industry Council.
How Islamic architecture shaped Europe. Book review.
The campaign to preserve a rare blacksmith bridge.
Transitional options for the next generation of heating technologies.