Distributed vs Centralized Solar District Systems. Study Case in Balearic Islands Districts
Abstract
Balearic Islands have a few renewable energy facilities in the buildings like the rest of Spain. The combination of District Heating with solar thermal centralized and decentralized systems can provide all the thermal energy for the buildings and share the excess of energy during the summer. Solar heating in a central plant and distributed in buildings has been designed to achieve different values of the solar fraction, comparing 100% centralized system and decentralized system with the Spanish Building Code and having the higher efficiency of the system with net zero energy in thermal production.