Saint Helena Electricity Mix
Saint Helena generated 0% of its electricity from renewable sources in 2023, below the world average of 33.8%. Each kilowatt-hour produced emitted about 1000 grams of CO₂.
Data year 2023 · Source: Ember and Energy Institute via Our World in Data
How much electricity in Saint Helena comes from renewables?
Renewable sources produced 0% of the electricity generated in Saint Helena in 2023. The world average was 33.8% in 2025. The share is about the same as in 2000, when it was 0%. That ranks Saint Helena 209th of 210 countries and territories by renewable share.
Electricity mix by source
Oil is the largest source of electricity in Saint Helena, at 100% of generation. Fossil fuels together supplied 100%.
Carbon intensity of electricity
Generating one kilowatt-hour of electricity in Saint Helena emitted about 1000 grams of CO₂ in 2023, 118% above the world average of 458 g. At that rate, a business using 10,000 kWh a year would be responsible for roughly 10,000 kg of CO₂ from electricity.
This is an estimate based on the generation mix. For a formal carbon report, use the grid factor published by the national energy or environment agency. Our guide to emission factors explains the difference.
How Saint Helena compares
Countries closest to Saint Helena when ranked by renewable share of electricity. See the full ranking, or the CO₂ emissions of Saint Helena.
| # | Country | Renewables | Low-carbon | g CO₂/kWh |
|---|---|---|---|---|
| 206 | Grenada | 0% | 0% | 667 |
| 207 | Guinea-Bissau | 0% | 0% | 625 |
| 208 | Montserrat | 0% | 0% | 1000 |
| 209 | Saint Helena | 0% | 0% | 1000 |
| 210 | Saint Pierre and Miquelon | 0% | 0% | 600 |
Frequently asked questions
What share of electricity in Saint Helena is renewable?
0% in 2023. The share is about the same as in 2000, when it was 0%. Counting nuclear as well, 0% of electricity came from low-carbon sources.
What is the main source of electricity in Saint Helena?
Oil is the largest source of electricity in Saint Helena, at 100% of generation.
How clean is electricity in Saint Helena?
Generating one kilowatt-hour emitted about 1000 grams of CO₂ in 2023, 118% above the world average of 458 g.
Is renewable electricity growing in Saint Helena?
The renewable share has barely changed: 0% in 2023 against 0% in 2000.
About the data. Shares are percentages of the electricity generated inside the country in a year. Renewables are hydro, wind, solar, bioenergy and other renewable sources. Low-carbon adds nuclear. The latest year differs between countries and is shown on each page. Carbon intensity is an estimate of the CO₂ emitted per kilowatt-hour generated, including emissions over the life of each power source.
Source: Ember and the Energy Institute Statistical Review of World Energy, processed by Our World in Data and used under the CC BY 4.0 licence.
Turn your electricity use into emissions. Enter your monthly kWh and three other figures to get your business footprint.
Open the calculator