Solar success stories across Europe

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

London, United Kingdom

Analyzer result Payback ≈ 6.0 years

London rooftop opportunity

A Southwark retrofit installed 7 kW, feeding agile tariff exports while covering induction cooking and EV charging.

System Size 7.0 kW

Annual Yield 6.400 kWh/yr

Annual Savings € 2.000 /yr

Lifetime Value € 32.000

CO2 Offset 2.6 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Manchester, United Kingdom

Analyzer result Payback ≈ 6.2 years

Manchester rooftop opportunity

Manchester semis with 6.2 kW setups ride flexible import tariffs to offset heavy heat-pump demand.

System Size 6.2 kW

Annual Yield 5.900 kWh/yr

Annual Savings € 1.750 /yr

Lifetime Value € 29.000

CO2 Offset 2.4 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Dublin, Ireland

Analyzer result Payback ≈ 5.9 years

Dublin rooftop opportunity

A Dublin semi-detached owner uses SEAI rebates to fund 5.8 kW, which now covers almost 70% of annual load.

System Size 5.8 kW

Annual Yield 5.400 kWh/yr

Annual Savings € 1.600 /yr

Lifetime Value € 25.500

CO2 Offset 2.2 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Cork, Ireland

Analyzer result Payback ≈ 5.8 years

Cork rooftop opportunity

Cork bungalows use 5.4 kW installs to offset electric heating and rely on microgeneration export payments.

System Size 5.4 kW

Annual Yield 5.200 kWh/yr

Annual Savings € 1.550 /yr

Lifetime Value € 24.800

CO2 Offset 2.1 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Copenhagen, Denmark

Analyzer result Payback ≈ 5.9 years

Copenhagen rooftop opportunity

A Copenhagen townhouse stacked 6 kW on its copper roof, yielding 5.6 MWh that charge cargo-bike fleets.

System Size 6.0 kW

Annual Yield 5.600 kWh/yr

Annual Savings € 1.750 /yr

Lifetime Value € 27.000

CO2 Offset 2.3 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Aarhus, Denmark

Analyzer result Payback ≈ 5.9 years

Aarhus rooftop opportunity

Aarhus cooperatives share 5.6 kW rooftops that output 5.4 MWh into district-heating circulation pumps.

System Size 5.6 kW

Annual Yield 5.400 kWh/yr

Annual Savings € 1.650 /yr

Lifetime Value € 25.800

CO2 Offset 2.2 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Oslo, Norway

Analyzer result Payback ≈ 6.3 years

Oslo rooftop opportunity

An Oslo terrace couples 6.4 kW with heat-pump storage, taking advantage of Enova cash grants.

System Size 6.4 kW

Annual Yield 5.800 kWh/yr

Annual Savings € 1.700 /yr

Lifetime Value € 26.500

CO2 Offset 2.3 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Bergen, Norway

Analyzer result Payback ≈ 6.0 years

Bergen rooftop opportunity

Bergen homeowners lean 5.8 kW arrays over slate roofs, netting 5.4 MWh and riding net surplus payments.

System Size 5.8 kW

Annual Yield 5.400 kWh/yr

Annual Savings € 1.550 /yr

Lifetime Value € 24.800

CO2 Offset 2.1 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Warsaw, Poland

Analyzer result Payback ≈ 5.4 years

Warsaw rooftop opportunity

Warsaw single-family homes size 7.1 kW arrays that feed heat pumps and export into the new hourly settlement scheme.

System Size 7.1 kW

Annual Yield 7.600 kWh/yr

Annual Savings € 1.950 /yr

Lifetime Value € 31.500

CO2 Offset 3.1 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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Krakow, Poland

Analyzer result Payback ≈ 5.5 years

Krakow rooftop opportunity

A Krakow duplex runs two 3.4 kW strings, logging 7.4 MWh and offsetting winter smog-related heating loads.

System Size 6.8 kW

Annual Yield 7.400 kWh/yr

Annual Savings € 1.850 /yr

Lifetime Value € 30.500

CO2 Offset 3.0 tCO2/yr

Modeled with Solarhome tariffs and 2025 utility assumptions.

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