Publication

Sources of Primary Electricity Supply

Michael Lehning, Annelen Kahl
2022
Reports

Abstract

This synthesis report provides an overview of primary electricity supply sources, including power generation potentials and costs as well as the as- sociated environmental burdens of electricity pro- duction in Switzerland. It gives a synthesis of the main findings and selected deep-dives into key tech- nologies supporting the transition of the Swiss en- ergy system, namely solar photovoltaics (PV), hy- dropower, biomass and deep geothermal energy generation.

Official source

https://infoscience.epfl.ch/entities/publication/4103c402-29c1-4f78-bb45-b431fb13dc77

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Michael Lehning, Annelen Kahl
2022
Reports

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/4103c402-29c1-4f78-bb45-b431fb13dc77

About this result

Related concepts (32)

Electricity generation

Electricity generation is the process of generating electric power from sources of primary energy. For utilities in the electric power industry, it is the stage prior to its delivery (transmission, distribution, etc.) to end users or its storage (using, for example, the pumped-storage method). Usable electricity is not freely available in nature, so it must be "produced" (that is, transforming other forms of energy to electricity). Production is carried out in power stations (also called "power plants").

Primary energy

Primary energy (PE) is the energy found in nature that has not been subjected to any human engineered conversion process. It encompasses energy contained in raw fuels and other forms of energy, including waste, received as input to a system. Primary energy can be non-renewable or renewable. Primary energy is used in energy statistics in the compilation of energy balances, as well as in the field of energetics. In energetics, a primary energy source (PES) refers to the energy forms required by the energy sector to generate the supply of energy carriers used by human society.

Photovoltaics

Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commercially used for electricity generation and as photosensors. A photovoltaic system employs solar modules, each comprising a number of solar cells, which generate electrical power. PV installations may be ground-mounted, rooftop-mounted, wall-mounted or floating.

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Sources of Primary Electricity Supply

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