Electricity
- Created by: mollk
- Created on: 12-02-14 18:15
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- Electricity.
- Cost of Electricity
- A kilowatt hour is calculated using power x time
- So to find the cost of electricity... kilowatt hour used (KwH) x cost per KwH
- A kilowatt hour is calculated using power x time
- Energy Changes
- In a power station fossil fuels (gas, oil, coal) are burned.
- Or nuclear fuels (uranium and plutonium)
- Water is heated. The water turns to steam. The steam drives the turbine. This spins the generator. Generating electricity.
- Power stations are around 35% efficient.
- Gas power stations are around 60% efficient.
- Power Stations that use waste energy for direct heating are around 80-90% efficient.
- Gas power stations are around 60% efficient.
- In a power station fossil fuels (gas, oil, coal) are burned.
- Cost of Electricity
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