Solar success stories across Europe

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

Prague, Czechia

Analyzer result Payback ≈ 5.6 years

Prague rooftop opportunity

Prague brownstones route 6.3 kW outputs through community batteries, banking 7.0 MWh each year.

System Size 6.3 kW

Annual Yield 7.000 kWh/yr

Annual Savings € 1.800 /yr

Lifetime Value € 29.500

CO2 Offset 2.8 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Brno, Czechia

Analyzer result Payback ≈ 5.7 years

Brno rooftop opportunity

Brno tech workers modeled 5.9 kW on duplex roofs, pushing 6.8 MWh through heat-pump radiators.

System Size 5.9 kW

Annual Yield 6.800 kWh/yr

Annual Savings € 1.700 /yr

Lifetime Value € 28.200

CO2 Offset 2.7 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Budapest, Hungary

Analyzer result Payback ≈ 5.3 years

Budapest rooftop opportunity

Budapest villas route 6.5 kW arrays into new net metering rules, shaving EUR 1,850 annually.

System Size 6.5 kW

Annual Yield 7.200 kWh/yr

Annual Savings € 1.850 /yr

Lifetime Value € 30.000

CO2 Offset 2.9 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Szeged, Hungary

Analyzer result Payback ≈ 4.9 years

Szeged rooftop opportunity

Southern Szeged rooftops pump out 7.6 MWh from 6 kW systems thanks to clear summer skies and generous rebates.

System Size 6.0 kW

Annual Yield 7.600 kWh/yr

Annual Savings € 1.900 /yr

Lifetime Value € 31.500

CO2 Offset 3.0 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Athens, Greece

Analyzer result Payback ≈ 4.4 years

Athens rooftop opportunity

Athens penthouses mount 7.2 kW carports that push 10.3 MWh into cooling loads and EV fleets.

System Size 7.2 kW

Annual Yield 10.300 kWh/yr

Annual Savings € 2.500 /yr

Lifetime Value € 38.000

CO2 Offset 4.2 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Thessaloniki, Greece

Analyzer result Payback ≈ 4.2 years

Thessaloniki rooftop opportunity

Thessaloniki duplexes tilt 6.8 kW arrays south, logging 9.6 MWh and plugging into net-metering credits.

System Size 6.8 kW

Annual Yield 9.600 kWh/yr

Annual Savings € 2.300 /yr

Lifetime Value € 35.500

CO2 Offset 3.9 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Helsinki, Finland

Analyzer result Payback ≈ 6.5 years

Helsinki rooftop opportunity

A Helsinki townhouse sized 6 kW and uses snow-reflection boosts plus smart-meter tariffs to cut bills by EUR 1,450.

System Size 6.0 kW

Annual Yield 5.200 kWh/yr

Annual Savings € 1.450 /yr

Lifetime Value € 23.500

CO2 Offset 2.1 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Tampere, Finland

Analyzer result Payback ≈ 6.3 years

Tampere rooftop opportunity

Tampere detached homes push 5.0 MWh through battery-ready inverters, banking savings for winter heating.

System Size 5.6 kW

Annual Yield 5.000 kWh/yr

Annual Savings € 1.350 /yr

Lifetime Value € 22.300

CO2 Offset 2.0 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Bucharest, Romania

Analyzer result Payback ≈ 4.6 years

Bucharest rooftop opportunity

Bucharest villas leverage Casa Verde to install 6.4 kW, netting 7.6 MWh and EUR 1,900 in annual savings.

System Size 6.4 kW

Annual Yield 7.600 kWh/yr

Annual Savings € 1.900 /yr

Lifetime Value € 32.000

CO2 Offset 3.0 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Cluj-Napoca, Romania

Analyzer result Payback ≈ 4.8 years

Cluj-Napoca rooftop opportunity

Cluj-Napoca duplex roofs host 6 kW strings that pour 7.2 MWh into growing tech campus demand.

System Size 6.0 kW

Annual Yield 7.200 kWh/yr

Annual Savings € 1.800 /yr

Lifetime Value € 30.500

CO2 Offset 2.8 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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