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The participation charge is not fixed: it depends on the distance from the network and the agreed load. See the documents, the steps and where the official estimate comes from.
runs its own estimator for new low-voltage connections. The tool never adds up a total that could be wrong.
The participation charge is calculated from how much network has to reach the supply, the agreed load, the supply type and local conditions. Two neighbouring properties can pay very different amounts.
The guide in circulation reports €334.80 for a single-phase home supply up to 30 metres in Athens and Piraeus and €35.17 per extra metre from 1 July 2026. That is a published figure, not the official price list, so it is shown separately and never added to a total.
The order is fixed: application at myΔΕΔΔΗΕ, fee, official estimate, installation by a licensed electrician with the certificate, meter installation.
A single-phase home 20 metres from the network, with no meter: application documents, title, certificate, site plan, fee and a meter box. The participation charge comes from the estimator, not from this tool.
Only can say, through its participation-charge estimator. The distance from the network changes the amount more than anything else.
The application fee, paid electronically before the process moves on. Keep the receipt.
Yes, from a licensed electrician, with the single-line diagram and drawings. There is a separate tool for certificate expiry.
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Your result updates as you type.
The official participation estimate is needed
Documents
Steps
Published figure up to 30 m (Athens/Piraeus)
€334.80
Per extra metre
€35.17
Does it cover your distance?
Yes
We took what you entered, checked it against the rules and, where no rule exists, used an estimate.
ΔΕΔΔΗΕ works out the connection charge from distance, load and local conditions
You: ΔΕΔΔΗΕ estimator
Source: ΔΕΔΔΗΕChecked 30 October 2026
Amount up to 30 m, as a secondary guide reports it (not the official price list)
€334.80
Published figureChecked 30 October 2026
Each extra metre, per the same guide
€35.17/m
Published figureChecked 30 October 2026
The official participation estimate is needed
Want to go further?
You will need an installation certificate too — check its expiry.
The final participation charge depends on the network, the load and local conditions: only ΔΕΔΔΗΕ can price it, through its own estimator. The two figures shown come from a guide, not the official price list, and are never added up into a total.
Only ΔΕΔΔΗΕ can price it
The official participation estimate is needed