SDG 7 Clean energy

Roofs (or facades) with solar panels
Heat networks
Floor heating Wall heating
Heat and cold storage
Heat recovery

Batteries
Wall, roof and floor isolation
Green roofs and walls

Solar, on roofs, as tiles, coloured, in walls, with heatcollectors in the back (PVT)

Shed roofs with light from the north and solar panels on the south.

Solar tiles

Solar walls

Storage of energy in batteries or other devices.

At Universidad Laboral Coruna Spain the have solar panels, a little windmill and a weather station to learn students about the futher with renewable energy.