System Losses & Maximum Demand
How much electricity is lost on the way to customers, and how fast peak demand is growing.
System losses
System losses are the share of electricity generated that does not reach end-users, because of technical and non-technical factors. Keeping them low is essential for efficient and sustainable energy delivery; they are monitored and reduced in line with international standards and best practice.
2024 (final) and 2025: CEB Annual Report 2024/2025.
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| Year | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Losses (%) | 6.27 | 6.45 | 5.82 | 6.21 | 6.07 | 7.08 | 6.22 | 6.08 | 6.20 | 5.95 |
Yearly maximum demand
On 5 February 2025 at 9:00 pm, an all-time peak demand of 567.9 MW was recorded, 8.03% above the previous year. This milestone reflects rising demand for electricity, driven by economic growth, increased industrial activity, extreme weather and the growing energy needs of households and businesses.
2025: CEB Annual Report 2024/2025.
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| Year | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum demand (MW) | 446.20 | 459.85 | 467.90 | 461.50 | 468.20 | 507.20 | 493.80 | 470.80 | 491.60 | 508.40 | 525.70 | 567.90 |