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Clean Power

Electricity Emissions Around The World (Maps)

Here’s one final repost (for the day) from our friend Lindsay Wilson of Shrink That Footprint:

By Lindsay Wilson

Electricity emissions are a function of two things: how much electricity is used and how carbon intensive that electricity is. Using data from 60 countries this post explains how our electricity emissions vary around the world.

The carbon intensity of electricity

The carbon intensity of electricity varies greatly depending on fuel source.

As a rough guide, coal has a carbon intensity of about 1,000g CO2/kWh, oil is 800g CO2/kWh, natural gas is around 500g CO2/kWh, while nuclear, hydro, wind, and solar are all less than 50 g CO2/kWh. I’ve graphed them previously.

The carbon intensity of grid electricity is determined by the fuel mix used in generation. Using figures from the IEA, I’ve produced a map to show just how different the carbon intensity of electricity is around the world.

Click image to expand

Click image to expand

In the countries colored dark green like Norway, Iceland, and Paraguay, the direct emissions from electricity generation are less than 20g CO2/kWh, because of the dominance of hydroelectricity, and some geothermal in Iceland. In India, Mongolia, and South Africa, the dark red coloring indicates electricity emissions of more than 900g CO2/kWh, due to coal’s dominance.

Most other countries use a mix of generation sources, so they are somewhere in between.

Residential electricity use

The second component of electricity emissions is the amount of electricity used.

For this example we will use residential electricity demand, as we want to compare the emissions caused by household electricity use. Residential electricity demand accounts for roughly a third of total electricity demand and varies considerably from country to country.

We can show just how great these differences are using a treemap, where the size of each rectangle represents the residential electricity demand per capita.

Click image to expand

Click image to expand

Norway has the biggest usage at almost 8,000 kWh per person. Americans, Finnish, Canadian, and Swedish all use more than 4,000 kWh each. While places like Cameroon, India, and Tanzania use as little as 100 kWh per person, so their rectangles are barely visible.

Electricity emissions around the world

Now that we have data for the carbon intensity of electricity and how much people use in their homes, we can compare residential electricity emissions.

For this comparison we will also account for the emissions caused by grid losses using World Bank data but won’t include upstream emissions from things like fuel production, processing, or equipment manufacturing.

The results are revealing.

Click image to expand

Click image to expand

The largest footprints are from those countries that both use a lot of electricity and have quite carbon intensive electricity. Of the sixty or so countries we analysed, Saudi Arabia, the United States, and Australia had by far the largest emissions at more than 2,500 kg per person.

In stark contrast, Iceland, Paraguay, and Ethiopia each registered 0 kg, due to their incredibly low carbon power. Notably, Norway which uses almost double the residential electricity per capita as the US, has emissions of just 152kg per person.  In contrast, India has more carbon intensive electricity than the US, but emits just 135kg per person due to such limited electricity use.

It is also interesting that Chinese emissions are just 331 kg per person despite their high coal use. This highlights just how small the residential share of electricity use is in China. A quick look at IEA stats shows that Chinese residents use just 18% of generated electricity — in the US, that figure is 38%.

The calculations used in this post can easily be used to approach your own electricity footprint.

In the coming months, I’ll publish some posts looking both at how we can cut our electricity use and source low-carbon power.

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Written By

Zach is tryin' to help society help itself one word at a time. He spends most of his time here on CleanTechnica as its director, chief editor, and CEO. Zach is recognized globally as an electric vehicle, solar energy, and energy storage expert. He has presented about cleantech at conferences in India, the UAE, Ukraine, Poland, Germany, the Netherlands, the USA, Canada, and Curaçao. Zach has long-term investments in Tesla [TSLA], NIO [NIO], Xpeng [XPEV], Ford [F], ChargePoint [CHPT], Amazon [AMZN], Piedmont Lithium [PLL], Lithium Americas [LAC], Albemarle Corporation [ALB], Nouveau Monde Graphite [NMGRF], Talon Metals [TLOFF], Arclight Clean Transition Corp [ACTC], and Starbucks [SBUX]. But he does not offer (explicitly or implicitly) investment advice of any sort.


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