Solar success stories across Europe

From compact city homes to coastal villas, these snapshots show how the analyzer guides real-world decisions.

Berlin, Germany

Analyzer result Payback ≈ 8.4 years

Berlin rooftop opportunity

A Kreuzberg homeowner ran a 9.8 kW plan: 8.9 MWh per year covers weekday EV charging and trims bills by about EUR 2,100.

System Size 9.8 kW

Annual Yield 8.900 kWh/yr

Annual Savings € 2.100 /yr

Lifetime Value € 32.000

CO2 Offset 3.6 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Munich, Germany

Analyzer result Payback ≈ 7.5 years

Munich rooftop opportunity

Munich clients sizing 8.2 kW arrays see Alpine sun deliver 8.6 MWh each year, so EUR 12,800 installs repay in roughly 7.5 years.

System Size 8.2 kW

Annual Yield 8.600 kWh/yr

Annual Savings € 2.150 /yr

Lifetime Value € 34.000

CO2 Offset 3.3 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Paris, France

Analyzer result Payback ≈ 7.8 years

Paris rooftop opportunity

A Paris apartment co-op modeled a 7 kW array; 7.2 MWh output feeds heat pumps and cuts utility spend by roughly EUR 1,900 a year.

System Size 7.0 kW

Annual Yield 7.200 kWh/yr

Annual Savings € 1.900 /yr

Lifetime Value € 30.000

CO2 Offset 2.9 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Lyon, France

Analyzer result Payback ≈ 6.9 years

Lyon rooftop opportunity

Lyon homeowners tilt 6.4 kW toward the Rhone valley sun, netting 7.5 MWh annually and recovering EUR 10,400 installs in under seven years.

System Size 6.4 kW

Annual Yield 7.500 kWh/yr

Annual Savings € 1.850 /yr

Lifetime Value € 29.500

CO2 Offset 2.7 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Madrid, Spain

Analyzer result Payback ≈ 5.8 years

Madrid rooftop opportunity

A Madrid family ran a 6.8 kW design: 9.7 MWh production offsets nearly the entire bill while surplus joins a community solar credit.

System Size 6.8 kW

Annual Yield 9.700 kWh/yr

Annual Savings € 2.300 /yr

Lifetime Value € 36.000

CO2 Offset 4.0 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Barcelona, Spain

Analyzer result Payback ≈ 5.6 years

Barcelona rooftop opportunity

Barcelona townhouse owners size 5.9 kW systems that throw off 9.1 MWh and power home offices through Mediterranean daylight.

System Size 5.9 kW

Annual Yield 9.100 kWh/yr

Annual Savings € 2.150 /yr

Lifetime Value € 33.500

CO2 Offset 3.8 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Rome, Italy

Analyzer result Payback ≈ 6.1 years

Rome rooftop opportunity

Roman villas model 7.5 kW on clay tiles, yielding 9.4 MWh each year so HVAC and EV loads stay covered with six-year payback.

System Size 7.5 kW

Annual Yield 9.400 kWh/yr

Annual Savings € 2.250 /yr

Lifetime Value € 34.000

CO2 Offset 3.7 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Milan, Italy

Analyzer result Payback ≈ 6.8 years

Milan rooftop opportunity

Milanese row homes still export value: a 6.9 kW array sends 8.0 MWh to appliances and EV charging, keeping self-consumption above 70 percent.

System Size 6.9 kW

Annual Yield 8.000 kWh/yr

Annual Savings € 2.050 /yr

Lifetime Value € 31.000

CO2 Offset 3.1 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Amsterdam, Netherlands

Analyzer result Payback ≈ 6.2 years

Amsterdam rooftop opportunity

An Amsterdam canal house fit 5.4 kW; annual 5.2 MWh generation plus full netting keeps payback near six years despite mild sun.

System Size 5.4 kW

Annual Yield 5.200 kWh/yr

Annual Savings € 1.600 /yr

Lifetime Value € 25.000

CO2 Offset 2.0 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Rotterdam, Netherlands

Analyzer result Payback ≈ 5.9 years

Rotterdam rooftop opportunity

Rotterdam row houses feed 5.8 kW arrays into saldering, so nearly every exported kWh offsets retail tariffs.

System Size 5.8 kW

Annual Yield 5.400 kWh/yr

Annual Savings € 1.650 /yr

Lifetime Value € 25.500

CO2 Offset 2.1 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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