The fundamental advantages of photovoltaics are its scalability and flexibility. Because solar power is becoming increasingly cost-effective in our latitudes, photovoltaics is also becoming an elementary component of building energy provision. Solar power generated on buildings can transform energy-optimised buildings into energy-plus buildings. Solar modules can also be integrated into roofs and facades and can provide a design element as part of sophisticated architecture.
Due to the fluctuating energy supply, concepts for energy, load and storage management are interesting in order to increase the self-consumption of electricity and to limit the grid load. Electrically driven heat pumps and electric vehicles also offer a possibility for coupling electricity and heating applications as well as electricity and mobility. Solar power is therefore not so much a universal energy supply solution but rather a very adaptable component for providing renewable energy for buildings.