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What you need to know about “balcony solar panels”

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@fyinews team

24/08/2026

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  1. A new law by Greece’s Ministry of Environment and Energy, expected to come into effect soon, will allow households and businesses to install small solar systems on balconies, rooftops and other parts of buildings.
  2. The systems will have a capacity of up to 800W and will be used exclusively to cover consumers’ own electricity needs, without feeding excess power into the grid.
  3. The law also introduces a framework for “collective self-consumption,” allowing two or more consumers in the same building or residential complex to install a shared power generation system and divide the electricity produced between them.

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A new law by Greece’s Ministry of Environment and Energy, expected to come into effect soon, will allow households and businesses to install small solar power systems on balconies, rooftops and other parts of buildings.

The aim is to reduce energy costs for households and businesses and increase consumers’ energy independence.

The solar systems will have a capacity of up to 800W and will be used exclusively to cover consumers’ own electricity needs, without feeding excess power back into the grid.

Since 2020, 37,407 self-consumption systems have been put into operation, compared with just 1,772 between 2015 and 2019.

A specific framework will also be introduced for “collective self-consumption,” allowing at least two consumers in the same building or residential complex to install a shared power generation system and divide the electricity produced between them.

The draft ministerial decision also includes transitional provisions for self-consumption systems already in operation, allowing them to adapt to the new framework without additional costs for consumers and while maintaining their existing financial benefits.

According to the Ministry of Environment and Energy, self-consumption has expanded significantly in recent years. Since 2020, 37,407 systems with a combined capacity of 1,070 MW have been put into operation, compared with just 1,772 systems with a combined capacity of 36 MW between 2015 and 2019.

Sources: Kathimerini, Proto Thema

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