2024-09
Official Gazette on self-consumption and net billing
The core PV and storage framework is in force.
Greek rules for balcony solar
This page separates confirmed regulation, pending decisions, and the practical checks you still need before ordering.
Rules status
General net billingOfficial Gazette
800 W balcony PVPublicly announced
HEDNO flowFinal text checked before order
Sunrail checks the process before final equipment order.
What changed, when, and what still needs a check
The chronology keeps the official rule, landlord or building approval, and the still-open items separate.
Allowed now
Standard self-consumption flow
HEDNO/DEDDIE handles the ordinary process under the official framework.
Ask for written approval
Rental units or shared surfaces
If you change a railing, facade, drilling point, or common area, you need permission before ordering.
Still pending
The plug-in 800 W flow
The public direction exists, but the final written flow must match before equipment is bought.
2026-04
Public discussion of a simpler 800 W plug-in path
The notification idea is public, but we do not treat it as final without the written text.
Today
Final check before ordering
Sunrail waits until the balcony, the owner, and the official procedure all line up.
Short answer
As of 9 June 2026, Greece has an official self-consumption and net-billing framework, plus a public policy direction for plug-in balcony PV up to 800 W. The specific simple-notification flow with HEDNO/DEDDIE should still be checked against the final written procedure before equipment is ordered.
| Status | What it means | Source |
|---|---|---|
| Confirmed | An official decision exists for self-consumption, synchronized offsetting, collective self-consumption, and storage. | Ministry Gazette B 5074/2024 |
| Confirmed | HEDNO/DEDDIE is the electronic-application and grid-connection body for PV systems on the distribution network. | HEDNO PV FAQ |
| Pending | Simple digital notification for plug-in balcony PV up to 800 W has been publicly reported but must be checked against the final text and platform. | To Vima / OT as context |
| Needs review | Railing, shade, wiring, apartment-building rules, and local planning constraints are not solved by marketing copy. | Practical check |
Review the place
Photo, direction, shade, mounting, and cable route.
Review the rules
Cross-check HEDNO, Ministry sources, and building requirements.
Lock equipment
Final setup only when supplier and documentation are locked.
Proceed
Install and notify according to the official flow.
Sources
The sources below show what is official and what remains pending.
Official Gazette
Greek Ministry of Environment and Energy - Government Gazette B 5074/05.09.2024 on net billing
Official decision covering self-consumption, net-billing style synchronized offsetting, collective self-consumption, and storage.
https://ypen.gov.gr/wp-content/uploads/2024/09/FEK-5074B_05_09_2024-net-billing.pdf
Grid operator
HEDNO/DEDDIE - Photovoltaic connection process
Official FAQ covering eligible users, installation locations, electronic applications, connection steps, and connection charges.
https://www.deddie.gr/el/support/fotovoltaika/
Grid operator
HEDNO/DEDDIE - Self-producer energy offsetting FAQ
Definitions and technical limits for self-producers using energy offsetting.
https://www.deddie.gr/el/support/sychnes-erotiseis-apantiseis-gia-tin-efarmogi-energeiakou-sympsifismou-apo-aftoparagogous/
Public consultation
OpenGov Ministry consultation - Article 70 on common areas
Public consultation text on PV and storage in common building areas with a 51% decision threshold for up to 40% of the area.
https://www.opengov.gr/minenv/?p=13522
Press context
To Vima / OT - 800 W and simple HEDNO notification reporting
Professional press coverage of the ministerial statement on 800 W, simple digital notification, and the pending implementing decision. Used as context, not as final legal text.
https://www.tovima.gr/2026/04/28/finance/fotovoltaika-sto-mpalkoni-energeia-gia-olous-me-ena-klik/