Balcony Solar in Europe — Country Ranking

How to read the table

Tariff is the residential rate paid per kWh imported from the grid (Eurostat consumption band 2,500–4,999 kWh/yr, all taxes/levies included). For Switzerland we currently carry a single manually seeded datapoint (Eurostat doesn't cover non-EU); for everywhere else we have a continuous semestral series back to 2007.

Yield is the country average annual energy a 1 kWp system produces when mounted vertically against a south-facing balcony, using PVGIS v5.3 with a 14% system loss assumption. Italy and Switzerland top the list for irradiance; the UK and Germany sit at the bottom but compensate with high tariffs.

Cheapest kit is the lowest-priced kit currently in our catalog that meets a real-PV gate (≥ 200 W panel + a working inverter). We don't require an explicit country tag, so the same kit may show up in multiple rows when a brand sells the same hardware Europe-wide.

Payback is the simple ratio of kit price (FX-converted via live ECB rates) to first-year savings, assuming 70% self-consumption and the country-default export rate. Not discounted — a deliberate simplification because balcony-PV horizons (3-5 years to break-even) are short enough that NPV vs simple payback diverge by under 10%.

Cost/kWh is the levelized cost of energy (LCOE) over a 20-year lifetime: total kit cost divided by lifetime kWh produced (linear 0.5%/yr degradation). Compare this number to the residential tariff one column to the left — that's the discount you lock in by owning instead of renting electrons.

Export is the default per-kWh rate paid for surplus energy fed back to the grid. In most countries this is small or zero; it matters far less to balcony-PV economics than self-consumption does, which is why the payback math weights self-consumption at 70% and export at 30%.

Max W is the regulatory ceiling on AC inverter output for the simplified plug-in regime (no electrician, no permit). Above the cap you generally fall back to a regular grid-tied PV permit, which roughly triples the install cost and delays commissioning by 2-3 months.

Fastest-payback countries

Germany, Austria and the Netherlands lead the ranking thanks to a combination of high residential tariffs (32-39¢/kWh) and the same 800 W regulatory ceiling that lets the same kit work in all three markets. Italy is close behind — slightly lower tariff, but ~20% more irradiance offsets the gap. Switzerland and the UK round out the list; Switzerland is held back by the cantonal 600 W cap (panels still produce, but the 600 W limit clips peak output 25% of summer hours), and the UK by a smaller export tariff and lower irradiance.

Country deep-dives

• 🇩🇪Germany
• 🇬🇧United Kingdom
• 🇳🇱Netherlands
• 🇮🇹Italy
• 🇦🇹Austria
• 🇨🇭Switzerland
• 🇧🇪Belgium
• 🇫🇷France
• 🇪🇸Spain
• 🇵🇱Poland