Direct insolation

The solar radiation incident on a unit horizontal surface at the top of the atmosphere. It is sometimes referred to as solar irradiance. The latitudinal variation of insolation ...

insolation

Energy; Solar power

The solar power density incident on a surface of stated area and orientation, usually expressed as Watts per square meter or Btu per square foot per hour. See diffuse insolation ...

insolation

Geography; Physical geography

Incoming solar radiation measured from when the atmosphere is engaged.

dye-sensitised solar cell

Energy; Solar power

A dye-sensitised solar cell is a low-cost thin film solar cell that absorbs light by a sensitizer on the surface of a semiconductor. Then photo-induced electrons are injected from ...

solar energy technologies

Energy; Solar power

Convert solar energy to useful purposes. They can provide: electrical generation by heat engine or photovoltaic means; space heating and cooling in active and passive solar ...

solar hot water

Energy; Solar power

Water heated by the use of solar energy.

solar cell

Energy; Solar power

a solar cell (also called photovoltaic cell or photoelectric cell) is a solid state electrical device that converts the energy of light directly into electricity by the ...

passive solar

Energy; Solar power

Technologies that capture sunlight for heat energy without use of active mechanical systems such as fans or pumps (as contrasted to active solar). Such technologies convert ...

solar power

Energy; Solar power

Also called solar energy, solar power is electricity generated from sunlight, either directly using photovoltaics (PV), or indirectly using concentrated solar power (CSP). ...