More energy resources (Edexcel GCSE Physics): Flashcards

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More energy resources
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Wind power pollution level

No pollution

Wind power initial & running costs

High initial costs, low running costs

Wind power reliability during high demand periods

Unreliable

Solar cells pollution level

No pollution

Solar cells running costs once installed

No running costs

Solar cells electricity output amount

Small amounts of electricity

Solar cells energy production at night

Cannot produce energy at night

Hydroelectricity pollution level

No pollution

Hydroelectricity reliability

Reliable & can immediately respond to energy demands

Hydroelectricity environmental impact

Large - valley flooding destroys habitats

Hydroelectricity initial & running costs

High initial costs, low running costs

Tidal barrages pollution level

No pollution

Tidal barrages reliability

Fairly reliable

Tidal barrages fuel & running costs

No fuel costs, no running costs

When tidal barrages don't work

When water levels are equal on both sides

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