What is cogeneration

CHP is the combined production of electricity and heat to the conditions defined by the Authority for Electricity and Gas, which ensure significant energy savings compared to separate production, "reads the Legislative Decree of March 16 1999, No. 79 Article 2, paragraph 8.

The conversion of primary energy (typically supplied by a fuel) into mechanical energy and / or electricity, involves, regardless of the technology, the production of a quotaparte of heat that is normally dissipated in the external environment. With cogeneration is possible to recover most of this heat otherwise disspato, with significant economic and energy savings.

Generate CHP therefore means simultaneously produce heat and electricity, both intended as a useful effect. If then the production of electricity and thermal energy while also producing enegia cooling, this is called TRIGENERATION.

The advantage of CHP is then even more evident when the primary energy is renewable 8ad example resulting from the combustion of biomass).

Even for the purpose of raggiugimento objectives 20 / 20 / 20, the value of cogeneration has long since been officially recognized by the European Union Directive 2004 / 8 / EC.


High-efficiency cogeneration
For a cogeneration plant to be recognized as "High Efficiency Cogeneration" (CAR), its production of electricity / mechanical and thermal needs to meet certain constraints, as defined in Legislative Decree February 8 2007, n. 20 and supplementary decree DM 4 2011 August.


"Small cogeneration" and "micro-generation"

The Directive 2004 / 8 / EC defines units of "micro-cogeneration" shall mean cogeneration plants with less than maximum power eletrica 50 kWe; units' small scale cogeneration "impiantidi the CHP electrical capacity of less than 1Mwe.