solar panel on balcony of modern apartment building

window facade wall door iron glass home furniture property room design fence handrail wood siding porch solar panel balcony modern apartment building city sun light reflection small local system for eco flat alternative apartment building balcony battery city contemporary crisis design eco ecosystem electric electrical energy europe exterior flat future germany green home house light local luxury marquise modern panel photovoltaic power reflection renewable residential save saving solar panels station sun sunlight sunny system technology town