Photovoltaic homes are one of the smartest investments a homeowner in Greece can make in 2026. In this guide, you will find everything you need: from the cost and types of systems, to subsidies and Net Billing.

The power depends on electricity consumption. As a general rule:

💡 Tip: Check your last 12 electricity bills to calculate your consumption.

• Without battery (Net Billing): Lower cost, faster payback. Ideal if you are at home during the day.
• With battery: Energy independence, protection from power outages. Ideal for holiday homes or maximum self-sufficiency.

With the Net Billing program, you can sell the electricity you produce and don't consume back to the grid, reducing your bill and achieving payback in 4–6 years .

In 2026, programs are available that cover up to 40% of the cost :

• Save – Autonomously: For residences with energy upgrade
• Rural ESPA programs: For agricultural uses
• Green Transformation: For businesses and households

A typical 5kW system pays for itself in 5–7 years and then generates net profit for another 18–20 years. Strong savings range from €1,000 to €1,800 depending on consumption.

Do I need a permit for home photovoltaics?

For systems up to 10kW, only a notification to DEDDIE (Hellenic Electricity Distribution Network Operator) is required, not a building permit. The process is simple and the installer handles it.

How long does the installation take?

Physical installation takes 1–2 days. Connection to the grid (DEDDIE) can take 1–3 months.

What happens in case of a malfunction?

Panels have a performance guarantee of 25 years . The inverter is covered for 5–10 years with extension options.

Can I install photovoltaics in a rented house?

Owner's consent is required. In many cases, an agreement can be made to share the benefit.