File:Price-of-electricity-new-fossil-and-nuclear.png
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English: The price of electricity from the long-standing sources: fossil fuels and nuclear power
The world’s electricity supply is dominated by fossil fuels. Coal is by far the biggest source, supplying 37% of electricity; gas is second and supplies 24%. Burning these fossil fuels for electricity and heat is the largest single source of global greenhouse gases, causing 30% of global emissions. The chart here shows how the electricity prices from the long-standing sources of power – fossil fuels and nuclear – have changed over the last decade. The data is published by Lazard. To make comparisons on a consistent basis, energy prices are expressed in ‘levelized costs of energy’ (LCOE). You can think of LCOE from the perspective of someone who is considering building a power plant. If you are in that situation then the LCOE is the answer to the following question: What would be the minimum price that my customers would need to pay so that the power plant would break even over its lifetime? LCOE captures the cost of building the power plant itself as well as the ongoing costs for fuel and operating the power plant over its lifetime. It however does not take into account costs and benefits at an energy system level: such as price reductions due to low-carbon generation and higher systemic costs when storage or backup power is needed due to the variable output of renewable sources – we will return to the aspect of storage costs later. This makes clear that it is a very crucial metric. If you as the power plant builder pick an energy source that has an LCOE that is higher than the price of the alternatives you will struggle to find someone who is willing to buy your expensive electricity. What you see in the chart is that within the last 10 years the price of electricity from nuclear became more expensive, gas power became less expensive, and the price of coal power – the world’s largest source of electricity – stayed almost the same. Later we will see what is behind these price changes. |
| Date | |
| Source | https://ourworldindata.org/cheap-renewables-growth |
| Author | Our World In Data - Max Roser |
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