Please note the cost-effectiveness of thermal energy storage projects, taking into account the percentage of free energy, relative to the total energy for heating. The real value is between 70-80% .
Tafadhali kumbuka gharama – ufanisi wa mafuta miradi ya kuhifadhi nishati, ikizingatiwa asilimia ya nishati bure, jamaa na jumla ya nishati kwa inapokanzwa . thamani halisi ni kati ya 70 – 80 % .