How Long Does DEDDIE Take to Restore Power? What We Can and Cannot Measure
Only 95 of Outage.gr's 11,247 reports have a usable start-to-restored time, so we are not publishing a restoration-time figure. Here is why, why the small sample misleads, and how you can help fix it.
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Key Facts
- 284 reports (2.5%) have been marked resolved; only 95 have a usable duration
- That small, self-selected sample cannot represent DEDDIE's performance, so we publish no restoration time
- Earlier versions of our city guides quoted restoration medians that we could not support; they have been removed
- You can help: mark your report resolved when the power returns
"How long until the power comes back?" is the question everyone asks, and it is the one we most want to answer. We are not going to give you a number, and this page explains why.
What we have
Outage.gr has 11,247 reports. To measure restoration time, we need two timestamps on the same report: when it started and when it was marked resolved. Only 284 reports (2.5%) have been marked resolved at all, and only 95 of those have a usable duration.
Why a small sample misleads
Even 95 durations would be a start if they were representative. They are not, for two reasons:
- Selection. People who mark a report resolved are the people who come back to the site, and short outages are the ones where people remember to do it. A cut that lasts a few minutes is easy to close; a cut that lasts a whole evening is often forgotten. The result is a sample that leans heavily towards short events. The median of those 95 durations is only a few minutes, which we treat as a warning about our sample, not as DEDDIE's performance.
- Mixed events. One data set mixes a flickering blip, a street fault and an island-wide event. An average over all of them describes none of them.
What older versions of this site said
Earlier versions of this article and of our city guides quoted "median restoration times" by area. We could not support those numbers from our database, so they have been removed. If you saw a figure like that on Outage.gr before, please disregard it.
What we can say honestly
- We can show you what was reported and when, on the outage history and the map.
- We can show how many people confirmed a report, which is a sign that an outage was widespread.
- For planned outages, DEDDIE publishes a start and an end time, and we can summarise those: the median announced planned cut is 4.5 hours (see the analysis of 10,249 scheduled outages). That is what DEDDIE announced, not what actually happened.
How you can fix this
Two small habits would give us the data we need:
- Report when the power goes off. Report an outage.
- Mark it resolved when it comes back. That single tap creates the second timestamp.
If enough people do it, we will publish real restoration times with sample sizes.
What to do while you wait
If you are in the dark right now, see who to call: DEDDIE's fault line is 11500. To be ready for next time, read our UPS guide and the power-cut kit guide.