The approximate energy producing capacity of a power plant, under specified conditions, usually during periods of highest load.

A light source composed of a metal base, a glass tube filled with an inert gas or a vapor, and base pins to attach to a fixture.

A thermal storage wall is a south-facing wall that is glazed on the outside. Solar heat strikes the glazing and is absorbed into the wall, which conducts the heat into the room over time. The walls are at least 8 in thick. Generally, the thicker the wall, ...

These brines are hot (300 F to 400 F) (149 C to 204 C) pressurized waters that contain dissolved methane and lie at depths of 10,000 ft (3048 m) to more than 20,000 ft (6096 m) below the earth's surface. The best known geopressured reservoirs lie along th ...

A substance(s) or pollutant emitted as a result of a process.

Air brought into a building from outside to replace exhaust air.

The visible portion of the electromagnetic spectrum with wavelengths from 0.4 to 0.76 microns

Standardized weights or volumes for heating fuels.

A device for converting a solid fuel to a gaseous fuel.

The natural, convective movement of air or water due to differences in temperature. In solar passive design a thermosyphon collector can be constructed and attached to a house to deliver heat to the home by the continuous pattern of the convective loop (o ...

A large number of thermocouples connected in series.

Any light source designed specifically to direct light a task or work performed by a person or machine.

Those elements of building used to control the interior climate.

A device mounted in the vent connector that closes the vent when the heating unit is not firing. This traps heat inside the heating system and house rather than letting it draft up and out the vent system.

A diagram that indicates the average percentage of time that the wind blows from different directions, on a monthly or annual basis.

The physically connected generation, transmission, and distribution facilities and components operated as a unit.

see Peak Power

The heat absorbed or released when a substance undergoes a change in temperature.

A column of burning combustion gases that are so hot and strong that the heat is lost up the chimney before it can be transferred to the house. A draft brings air to the fire to help keep it burning.

The prescribed level of pollutants allowed in outside or indoor air as established by legislation.