Autonomous PV System

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Tiago M
Tiago M's picture
Autonomous PV System

Hi,
I want to simulate an autonomous PV system in SAM that involve both energetic and financial analysis. In this case, what model I should choose (residential or commercial)?

Thanks,
Best regards,
Tiago Marques

Paul Gilman

Dear Tiago,

SAM models grid-connected power systems, so it assumes the grid is available 1) to supply power to the load during periods when the system output power is less than the load, and 2) to absorb power when the system output is greater than the load.

The residential and commercial financial models are for projects that involve a a building electric load where the system is used to reduce the building owner's electricity bill. The PPA financial models are for power generation projects where all of the electricity generated by the system is sold at a price negotiated through a power purchase agreement (PPA).

Best regards,
Paul.

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