Saint Lucia's energy mix and electricity

🇱🇨 In 2024, Saint Lucia generated 0.40 TWh of electricity. Almost all of it, 98%, came from oil and other fossil fuels. In total, 2.5% came from low-carbon sources (nuclear and renewables) and 98% from fossil fuels.

On average, each kilowatt hour produced about 650 grams of carbon dioxide (COâ‚‚), above the world average of 458 grams in 2025.

Electricity demand was 0.40 TWh. Its electricity imports and exports were roughly in balance.

Since 2000, electricity generation has grown by 43%, from 0.28 TWh. The low-carbon share went from 0% to 3%. The biggest rise was in solar, from 0% to 3% of generation.

Live, hour-by-hour figures for Saint Lucia are not connected yet. The dashboard shows its yearly figures, energy mix since 2000 and interconnector trade.

Energy mix in 2024

SourceShareGenerated
Oil and other fossil fuels98%0.39 TWh
Solar2.5%0.01 TWh

Energy security score

31out of 100

Vulnerable. It is not ranked because its power system is very small. The score shows how well a country could keep electricity affordable and on if fuel supplies were disrupted. It is based on 4 of the 5 measures.

MeasureScore
Produces its own energy
No reliable figure exists for Saint Lucia, so this measure is left out and the other four count for more.
n/a
Variety of power sources
How evenly generation is spread across nine sources. The largest, oil and other fossil fuels, made 98%.
5
Little reliance on imported power
Saint Lucia exported more electricity than it imported, so it scores full marks.
100
Low-carbon power
Nuclear and renewables made 2.5% of generation.
3
Low gas and oil use
Gas and oil made 98% of generation; the score is 100 minus that share.
3

The five measures are weighted 30%, 20%, 20%, 15% and 15%. How the score works.

How it has changed

YearGeneratedLow-carbonFossilCOâ‚‚ g/kWh
20000.28 TWh0%100%643
20050.32 TWh0%100%656
20100.38 TWh0%100%658
20150.38 TWh0%100%658
20200.38 TWh3%97%632
20230.40 TWh3%98%650
20240.40 TWh3%98%650

Questions about Saint Lucia's energy

What is Saint Lucia's energy mix?

In 2024, Saint Lucia's electricity came from oil and other fossil fuels 98% and solar 2.5%.

How much of Saint Lucia's electricity is renewable?

2.5% of its electricity came from renewables in 2024 (solar 2.5%).

What is Saint Lucia's main source of electricity?

Oil and other fossil fuels, which made 98% of its electricity in 2024.

How clean is Saint Lucia's electricity?

About 650 grams of COâ‚‚ for each kilowatt hour in 2024, above the world average of 458 grams.

Does Saint Lucia import electricity?

Its imports and exports were roughly in balance in 2024.

How secure is Saint Lucia's energy supply?

Global Grid's energy security score for Saint Lucia is 31 out of 100 (vulnerable). It looks at how much of its own energy it produces, how varied its power sources are, its reliance on imported power and its use of low-carbon power, gas and oil.

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Sources: Ember yearly electricity data (CC BY 4.0), figures up to 2024. Ember's latest-year figures are first estimates and may be revised. TWh: terawatt hours (one billion kWh).