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Last edited 11 Feb 2021
1Kw running for 1 hour = 1Kwh
0.5 Kw (500w) running for 2 hours = 1Kwh
2kW running for 30 minutes also = 1Kwh
The company supplying the energy will have set the price for the unit of electricity. This and other details that make up the bill will be detailed in the supplier’s terms and conditions. Such terms and conditions are known as tariffs.
- Time of day.
- Maximum demand at any given point in time.
- Seasonal variations.
- Power factor that electricity has been taken at.
- System usage charges.
- Payment methods.
The electricity bill must clearly set out all this information so that it is easy to establish how the total amount charged has been calculated.
NB Making Mission Possible - Delivering A Net-Zero Economy, published by the Energy Transitions Commission (ETC) in September 2020, suggests that the levelised cost of electricity (LCOE) is: ‘A measure of the average net present cost of electricity generation for a generating plant over its lifetime. The LCOE is calculated as the ratio between all the discounted costs over the lifetime of an electricity-generating plant divided by a discounted sum of the actual energy amounts delivered.’
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