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6. Profitability
6.1 Investments
These are the most difficult values to estimate, as they vary enormously from case to case.
In the case of an entirely new installation, for the same power output, costs will generally be lower than in the case of adding a cogeneration unit to an existing installation.
On an existing installation, the problem is often to replace an obsolete boiler, increase the heating capacity of the boiler room, add an electrical back-up, etc. A cogeneration unit will then represent a plus over conventional equipment, and only the extra cost needs to be taken into account in the investment. In such cases, cogeneration represents a plus compared with conventional equipment, and only...
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Profitability