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Electricity & gas · Greece
Checked 2026-09-27

📟 Smart meter in Greece: do I have to accept one?

The short answer

A smart meter sends readings automatically, so your bill is based on real use. Whether you can refuse one differs per country.

📜 The rules in Greece

Smart meter

HEDNO is rolling out smart meters and aims to replace all meters nationwide by 2030; about 1.1 million were installed by 2025. Self-consumers get priority.

Official source: deddie.gr · Checked 2026-09-27

🪜 Step by step

  1. Check the letterWho installs it, the grid operator or the supplier, and when?
  2. Know your rightsSee below what the rules in Greece are on the rollout and on refusing.
  3. Protect your dataAsk what data is collected and how often. You can usually see your own use online.
  4. Report problemsIf the meter seems wrong, ask the grid operator for a meter test.

📇 Who to contact

ΔΕΔΔΗΕ (HEDNO) — Όλη η χώραRuns the local grid, meters and connectionsPower cut, meter problem, new connection📞 800 400 4000🔗 www.deddie.gr/en/faults-and-outages/fault-report
Ρυθμιστική Αρχή Αποβλήτων, Ενέργειας και Υδάτων (ΡΑΑΕΥ) – Κλάδος ΕνέργειαςSupervises energy companies and explains your rightsFor information, and to report a company that breaks the rules📞 210-3727400🔗 www.raaey.gr/energeia
ΚΕ.Π.ΚΑ. – Κέντρο Προστασίας ΚαταναλωτώνIndependent advice for consumersFor advice, template letters and a second opinion🔗 www.kepka.org

❓ Questions

Does a smart meter cost extra?

The costs are usually part of the network charges. Some countries charge people who refuse.

Is my data safe?

Meter data is protected by data-protection law, and you decide who else may see detailed data.

What if the readings look wrong?

Ask the grid operator to check the meter.

📎 Sources

Checked: 2026-09-27

🧭 Is this still correct?

We check this information carefully, but phone numbers, websites and rules change — and sometimes we get something wrong. Spotted a mistake or a change? Let us know below.

🔗 Also useful

🔄Switching supplier→📈Price increase→🧾Wrong or high bill→💸Can’t pay the bill→🏚️Supplier went bust→

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