Santa Maria della Misericordia Hospital in Perugia, Italy, has now a photovoltaic plant and a trigeneration plant to produce electricity.

The trigeneration plant allows the joint production of electricity (for the total consumption of the hospital), thermal energy for the winter and air conditioning for the summer, using the heat recovery and exhaust gas cooling. The plant has an electrical output of 1,487 KW and a thermal power of 3568 KW.

Combining those two techniques allows the hospital to reduce its greenhouse gas emissions while covering about half of its energy need.
Particular attentions were given to the installation of a 190-KW photovoltaic system, fully integrated into the plant's roof in order to have no visual impact. The plant will be 4,500-square-meter big and completely waterproof. This combined plant aims to produce 205 MW of energy per year and reduce greenhouse gas emissions by 136 tons per year.
Through photovoltaic systems and trigeneration, the thermal energy needs of the hospital Santa Maria della Misericordia were covered to 47% by green energy, 58% cooling energy and 49% by the electricity. They contribute to the reduction of more than 50% of CO2 emissions per year, equivalent to 4.825 tons per year, with a reduction of 1.189 toe (ton of oil equivalent). This also reduced significantly, the impact of noise due to operation of the plant.
"Although we believe that by 2030 energy demand will increase by 40 % , fossil fuel resources diminish more and the impact on the environment is at the center of all decisions" Enrico Colombo , CEO of Cofely Italy, in charge of the project. "Fully aware of this scenario, institutions and companies are more attentive to generate energy in a sustainable way and to have a rational and efficient use." The eco-friendly choice of Santa Maria della Misericordia Hospital in Perugia is an important sign of environmental responsibility, as well as an example for all major public institutions, as it will generate a lot of energy, and aims greater energy independence."
"Patients care go hand in hand with the safety of the structure, these are two different activities that appear at the beginning are parallel" said Walter Orlandi, General Manager of Santa Maria della Misericordia Hospital.

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